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Du Z, Yu F, Wang J, Li J, Wang X, Qian A. Catalytic effects of graphene structures on Pt/graphene catalysts. RSC Adv 2024; 14:22486-22496. [PMID: 39015668 PMCID: PMC11251395 DOI: 10.1039/d4ra02841d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Accepted: 06/25/2024] [Indexed: 07/18/2024] Open
Abstract
Pt/C catalysts have been considered the ideal cathodic catalyst for proton exchange membrane fuel cells (PEMFCs) due to their superior oxygen reduction reaction (ORR) catalytic activity at low temperatures. However, oxidation and corrosion of the carbon black support at the cathode result in the agglomeration of Pt particles, which reduces the active sites in the Pt/C catalyst. Graphene supports have shown great promise to address this issue, and therefore, finding out the main structural features of the graphene support is of great significance for guiding the rational construction of graphene-based Pt (Pt/graphene) catalysts for optimized ORR catalysts. In order to systematically study the influence of the structural features of the graphene support on the electro-catalytic properties of Pt/graphene catalysts, we prepared porous nitrogen-doped reduced graphene oxide (P-NRGO), nitrogen-doped reduced graphene oxide (NRGO), treated P-NRGO (TP-NRGO) and reduced graphene oxide (RGO) with different nitrogen species contents (7.76, 7.54, 3.24, and 0.14 at%), oxygen species contents (18.68, 18.12, 6.34 and 21.12 at%), specific surface areas (370.4, 70.6, 347.7 and 276.2 m2 g-1) and pore volumes (1.366, 0.1424, 1.3299 and 1.0414 cm3 g-1). The ORR activity of the four Pt/graphene catalysts when listed in the order of their half-wave potentials (E 1/2) and peak power densities was found to be as Pt/P-NRGO > Pt/NRGO > Pt/TP-NRGO > Pt/RGO. The long-term durability of Pt/P-NRGO for the operation of H2-air PEMFCs is better than that of commercial Pt/C catalysts. The excellent ORR catalytic performance of Pt/P-NRGO compared to that of the other three Pt/graphene catalysts is ascribed to the high nitrogen species content of P-NRGO that can facilitate the uniform dispersion of Pt particles and provide accessible active sites for ORR. The results indicate that the specific surface area (SSA) and heteroatom dopants have strong influence on the Pt particle size, and that the nitrogen species of graphene supports play a more important role than the oxygen species, specific surface area and pore volume for the Pt/graphene catalysts in providing accessible active sites.
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Affiliation(s)
- Zhenzhen Du
- AECC Beijing Institute of Aeronautical Materials Beijing 100095 China
- Beijing Institute of Graphene Technology Beijing 100094 China
| | - Fan Yu
- Beijing Institute of Graphene Technology Beijing 100094 China
| | - Jun Wang
- AECC Beijing Institute of Aeronautical Materials Beijing 100095 China
- Beijing Institute of Graphene Technology Beijing 100094 China
| | - Jiongli Li
- AECC Beijing Institute of Aeronautical Materials Beijing 100095 China
- Beijing Institute of Graphene Technology Beijing 100094 China
| | - Xudong Wang
- AECC Beijing Institute of Aeronautical Materials Beijing 100095 China
- Beijing Institute of Graphene Technology Beijing 100094 China
| | - Aniu Qian
- Institute of Resources and Environment Engineering, Shanxi University Taiyuan 030006 China
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2
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Qin S, Liu B, Xue Y, Zhao R, Wang G, Li K, Zheng L, Wang P, Tang T, Yang Y, Chen Z, Zuo X. A three-dimensional network structure of metal-based nanozymes for the construction of colorimetric sensors for the detection of antioxidants. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:2292-2300. [PMID: 38526022 DOI: 10.1039/d3ay02199h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/26/2024]
Abstract
Although many excellent nanozymes have been developed, designing and synthesizing highly active nanozymes is still challenging. Here, we developed a metal-based nanozyme (metal = Co, Fe, Cu, Zn) with a three-dimensional network structure. It possesses excellent peroxidase activity and catalyzes the reaction between H2O2 and TMB to produce blue oxTMB, while antioxidants have different reducing power on the oxidation product of TMB (oxTMB), which leads to different absorbance and color changes. Using these color reactions, different nanozymes were used to form a colorimetric sensor array with seven antioxidants, and seven antioxidants were sensitively identified. And the differences between the three nanozymes were compared by density functional theory calculations and enzyme kinetic curve results. In conclusion, the colorimetric sensor array based on metal-based nanozymes provides a good strategy for the identification and detection of antioxidants, which has a broad application prospect.
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Affiliation(s)
- Shuo Qin
- Department of Chemistry, Capital Normal University, Beijing, 100048, China.
| | - Bin Liu
- Department of Chemistry, Capital Normal University, Beijing, 100048, China.
| | - Yuting Xue
- Department of Chemistry, Capital Normal University, Beijing, 100048, China.
| | - Ruixue Zhao
- Department of Chemistry, Capital Normal University, Beijing, 100048, China.
| | - Guo Wang
- Department of Chemistry, Capital Normal University, Beijing, 100048, China.
| | - Kai Li
- Department of Chemistry, Capital Normal University, Beijing, 100048, China.
| | - Lirong Zheng
- Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Pingyang Wang
- Department of Chemistry, Capital Normal University, Beijing, 100048, China.
| | - Tianhao Tang
- Department of Chemistry, Capital Normal University, Beijing, 100048, China.
| | - Yue Yang
- Department of Chemistry, Capital Normal University, Beijing, 100048, China.
| | - Zhengbo Chen
- Department of Chemistry, Capital Normal University, Beijing, 100048, China.
| | - Xia Zuo
- Department of Chemistry, Capital Normal University, Beijing, 100048, China.
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3
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Ren L, Sun K, Wang Y, Kumar A, Liu J, Lu X, Zhao Y, Zhu Q, Liu W, Xu H, Sun X. Tandem Catalysis inside Double-Shelled Nanocages with Separated and Tunable Atomic Catalyst Sites for High Performance Lithium-Sulfur Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2310547. [PMID: 37972306 DOI: 10.1002/adma.202310547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 10/31/2023] [Indexed: 11/19/2023]
Abstract
Single-atomic catalysts are effective in mitigating the shuttling effect and slow redox kinetics of lithium polysulfides (LiPSs) in lithium-sulfur (Li-S) batteries, but their ideal performance has yet to be achieved due to the multi-step conversion of LiPSs requiring multifunctional active sites for tandem catalysis. Here double-shelled nano-cages (DSNCs) have been developed to address this challenge, featuring separated and tunable single-atom sites as nano reactors that trigger tandem catalysis and promote the efficient electrochemical conversion of LiPSs. This enables high capacity and durable Li-S batteries. The DSNCs, with inner Co-N4 and outer Zn-N4 sites (S/CoNC@ZnNC DSNCs), exhibit a high specific capacity of 1186 mAh g-1 at 1 C, along with a low capacity fading rate of 0.063% per cycle over 500 cycles. Even with a high sulfur loading (4.2 mg cm-2) and a low E/S ratio (6 µL mg-1), the cell displays excellent cycling stability. Moreover, the Li-S pouch cells are capable of stable cycling for more than 160 cycles. These results demonstrate the feasibility of driving successive sulfur conversion reactions with separated active sites, and are expected to inspire further catalyst design for high performance Li-S batteries.
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Affiliation(s)
- Longtao Ren
- College of Chemistry, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Kai Sun
- College of Chemistry, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yan Wang
- College of Chemistry, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Anuj Kumar
- Department of Chemistry, GLA University, Mathura, 281406, India
| | - Jun Liu
- College of Chemistry, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Xiwen Lu
- College of Chemistry, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yajun Zhao
- College of Chemistry, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Qingyi Zhu
- College of Chemistry, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Wen Liu
- College of Chemistry, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Haijun Xu
- College of Mathematics & Physics, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Xiaoming Sun
- College of Chemistry, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
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4
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Yang F, Wang J, Wang Y, Yu B, Cao Y, Li J, Wu L, Huang J, Liu YN. Perfluoroalkyl-Decorated Noble-Metal-Free MOFs for the Highly Efficient One-Pot Four-Component Coupling between Aldehydes, Amines, Alkynes, and Flue Gas CO 2. Angew Chem Int Ed Engl 2024; 63:e202318115. [PMID: 38116913 DOI: 10.1002/anie.202318115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/14/2023] [Accepted: 12/18/2023] [Indexed: 12/21/2023]
Abstract
The non-noble-metal catalysed-multicomponent reactions between flue gas CO2 and cheap industrial raw stocks into high value-added fine chemicals is a promising manner for the ideal CO2 utilization route. To achieve this, the key fundamental challenge is the rational development of highly efficient and facile reaction pathway while establishing compatible catalytic system. Herein, through the stepwise solvent-assisted linker installation, post-synthetic fluorination and metalation, we report the construction of a series of perfluoroalkyl-decorated noble-metal-free metal-organic frameworks (MOFs) PCN-(BPY-CuI)-(TPDC-Fx ) [BPY=2,2'-bipyridine-5,5'-dicarboxylate, TPDC-NH2 =2'-amino-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic acid] that can catalyze the one-pot four-component reaction between alkyne, aldehyde, amine and flue gas CO2 for the preparation of 2-oxazolidinones. Such assembly endows the MOFs with superhydrophobic microenvironment, superior water resistance and highly stable catalytic site, leading to 21 times higher turnover numbers than that of homogeneous counterparts. Mechanism investigation implied that the substrates can be efficiently enriched by the MOF wall and then the adsorbed amine species act as an extrinsic binding site towards dilute CO2 through their strong preferential formation to carbamate acid. Moreover, density functional theory calculations suggest the tetrahedral geometry of Cu in MOF offers special resistance towards amine poisoning, thus maintaining its high efficiency during the catalytic process.
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Affiliation(s)
- Fan Yang
- College of Chemistry and Chemical Engineering, Hunan Provincial Key Laboratory of Micro and Nano Material Interface Science, Central South University, Changsha, 410083, Hunan, P. R. China
| | - Jiajia Wang
- College of Chemistry and Chemical Engineering, Hunan Provincial Key Laboratory of Micro and Nano Material Interface Science, Central South University, Changsha, 410083, Hunan, P. R. China
| | - You Wang
- College of Chemistry and Chemical Engineering, Hunan Provincial Key Laboratory of Micro and Nano Material Interface Science, Central South University, Changsha, 410083, Hunan, P. R. China
| | - Benling Yu
- College of Chemistry and Chemical Engineering, Hunan Provincial Key Laboratory of Micro and Nano Material Interface Science, Central South University, Changsha, 410083, Hunan, P. R. China
| | - Yiwen Cao
- College of Chemistry and Chemical Engineering, Hunan Provincial Key Laboratory of Micro and Nano Material Interface Science, Central South University, Changsha, 410083, Hunan, P. R. China
| | - Jiawei Li
- College of Chemistry and Chemical Engineering, Hunan Provincial Key Laboratory of Micro and Nano Material Interface Science, Central South University, Changsha, 410083, Hunan, P. R. China
| | - Linlin Wu
- College of Chemistry and Chemical Engineering, Hunan Provincial Key Laboratory of Micro and Nano Material Interface Science, Central South University, Changsha, 410083, Hunan, P. R. China
| | - Jianhan Huang
- College of Chemistry and Chemical Engineering, Hunan Provincial Key Laboratory of Micro and Nano Material Interface Science, Central South University, Changsha, 410083, Hunan, P. R. China
| | - You-Nian Liu
- College of Chemistry and Chemical Engineering, Hunan Provincial Key Laboratory of Micro and Nano Material Interface Science, Central South University, Changsha, 410083, Hunan, P. R. China
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5
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Martini A, Hursán D, Timoshenko J, Rüscher M, Haase F, Rettenmaier C, Ortega E, Etxebarria A, Roldan Cuenya B. Tracking the Evolution of Single-Atom Catalysts for the CO 2 Electrocatalytic Reduction Using Operando X-ray Absorption Spectroscopy and Machine Learning. J Am Chem Soc 2023; 145:17351-17366. [PMID: 37524049 PMCID: PMC10416299 DOI: 10.1021/jacs.3c04826] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Indexed: 08/02/2023]
Abstract
Transition metal-nitrogen-doped carbons (TMNCs) are a promising class of catalysts for the CO2 electrochemical reduction reaction. In particular, high CO2-to-CO conversion activities and selectivities were demonstrated for Ni-based TMNCs. Nonetheless, open questions remain about the nature, stability, and evolution of the Ni active sites during the reaction. In this work, we address this issue by combining operando X-ray absorption spectroscopy with advanced data analysis. In particular, we show that the combination of unsupervised and supervised machine learning approaches is able to decipher the X-ray absorption near edge structure (XANES) of the TMNCs, disentangling the contributions of different metal sites coexisting in the working TMNC catalyst. Moreover, quantitative structural information about the local environment of active species, including their interaction with adsorbates, has been obtained, shedding light on the complex dynamic mechanism of the CO2 electroreduction.
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Affiliation(s)
- Andrea Martini
- Department of Interface Science, Fritz-Haber Institute of the Max Planck Society, 14195 Berlin, Germany
| | | | - Janis Timoshenko
- Department of Interface Science, Fritz-Haber Institute of the Max Planck Society, 14195 Berlin, Germany
| | - Martina Rüscher
- Department of Interface Science, Fritz-Haber Institute of the Max Planck Society, 14195 Berlin, Germany
| | - Felix Haase
- Department of Interface Science, Fritz-Haber Institute of the Max Planck Society, 14195 Berlin, Germany
| | - Clara Rettenmaier
- Department of Interface Science, Fritz-Haber Institute of the Max Planck Society, 14195 Berlin, Germany
| | - Eduardo Ortega
- Department of Interface Science, Fritz-Haber Institute of the Max Planck Society, 14195 Berlin, Germany
| | - Ane Etxebarria
- Department of Interface Science, Fritz-Haber Institute of the Max Planck Society, 14195 Berlin, Germany
| | - Beatriz Roldan Cuenya
- Department of Interface Science, Fritz-Haber Institute of the Max Planck Society, 14195 Berlin, Germany
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6
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Wang C, Liu H, Sun P, Cai J, Sun M, Xie H, Shen G. A novel peroxymonosulfate activation process by single-atom iron catalyst from waste biomass for efficient singlet oxygen-mediated degradation of organic pollutants. JOURNAL OF HAZARDOUS MATERIALS 2023; 453:131333. [PMID: 37060750 DOI: 10.1016/j.jhazmat.2023.131333] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/15/2023] [Accepted: 03/30/2023] [Indexed: 05/03/2023]
Abstract
Single-atom dispersed catalysts (SACs) have gained considerable attention in organic contaminants remediation due to their superior reactivity and stability. However, the complex and costly synthesis processes limit their practical applications in environmental protection. Herein, a facile and cost-effective single-atom iron catalyst (Fe-SA/NC) anchored on nitrogen-doped porous carbon was first fabricated by using waste biomass as a carbon source. The Fe-SA/NC catalyst exhibited outstanding performance with a high turnover frequency of 1.72 min-1 toward antibiotics degradation via peroxymonosulfate activation. ECOSAR program and algae growth experiments demonstrated that the byproducts produced during the sulfamethoxazole degradation process were not detrimental to the aquatic environment. Radical quenching and electron paramagnetic resonance experiments revealed that Fe-SA/NC remarkably promoted 1O2 production in PMS-assisted reaction, and thus 1O2 contributed as much as 78.77% to sulfamethoxazole degradation. As indicated by experiment and density functional theory (DFT) calculations, FeN2O2 configuration serves as the active site. DFT calculations further presented the most rational generation route of 1O2 as PMS→OH* →O* →1O2. We also designed Fe-SA/NC embedded spherical pellets for contaminants elimination at the device level. This study offers new insights into the synthesis of SACs from waste biomass and their practical application in environmental remediation.
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Affiliation(s)
- Chen Wang
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Huanran Liu
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Peng Sun
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, PR China.
| | - Jingjing Cai
- Technical Center for industrial Products and Raw Materials Inspection and Testing, Shanghai Customs District, Shanghai 200135, PR China
| | - Mingxing Sun
- Technical Center for industrial Products and Raw Materials Inspection and Testing, Shanghai Customs District, Shanghai 200135, PR China
| | - Haijiao Xie
- Hangzhou Yanqu Information Technology Co., Ltd., Hangzhou 310003, PR China
| | - Guoqing Shen
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, PR China.
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7
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Gitlina AY, Khistiaeva V, Melnikov A, Ivonina M, Sizov V, Spiridonova D, Makarova A, Vyalikh D, Grachova E. Organometallic Ir(III) complexes: post-synthetic modification, photophysical properties and binuclear complex construction. Dalton Trans 2023. [PMID: 37334469 DOI: 10.1039/d3dt00901g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
Two methods of post-synthetic modification (Suzuki coupling and CuAAC click-reaction) were applied to Ir(III) complexes [Ir(C^N)2N^N]+ to provide the second highly selective donor site. One family of functionalized complexes was used to demonstrate the potential of post-synthetic modification for controlled construction of d-d and d-f binuclear complexes. The complexes obtained were characterized by CHN elemental analysis, NMR spectroscopy, ESI mass-spectrometry, FTIR spectroscopy and single crystal X-ray diffraction analysis. By means of XPS and NEXAFS spectroscopy the coordination of diimine donor site to the Ln(III) centre has been definitely confirmed. The photophysical properties of mono- and binuclear complexes were carefully investigated, and the evolution of luminescent characteristics during the formation of a system of connected metallocenters is also discussed. TDDFT calculations were used to describe the luminescence mechanism and to confirm the conclusions made on the basis of experimental data.
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Affiliation(s)
- Anastasia Yu Gitlina
- Institut des Sciences et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Viktoria Khistiaeva
- Institute of Chemistry, St Petersburg University, Universitetskii pr. 26, 198504 St. Petersburg, Russia.
| | - Alexey Melnikov
- Centre for Nano- and Biotechnologies, Peter the Great St. Petersburg Polytechnic University, 195251 St. Petersburg, Russia
| | - Mariia Ivonina
- Department of Material Sciences, Faculty of Engineering Sciences, Kyushu University, Kasuga, Fukuoka 816-8580, Japan
| | - Vladimir Sizov
- Institute of Chemistry, St Petersburg University, Universitetskii pr. 26, 198504 St. Petersburg, Russia.
| | - Dar'ya Spiridonova
- Centre for X-ray Diffraction Studies, St Petersburg University, 199034 St. Petersburg, Russia
| | - Anna Makarova
- Physikalische Chemie, Institut für Chemie und Biochemie, Freie Universität Berlin, 14195 Berlin, Germany
| | - Denis Vyalikh
- Donostia International Physics Center (DIPC), 20018 Donostia-San Sebastián, Basque Country, Spain
- IKERBASQUE, Basque Foundation for Science, 48013, Bilbao, Spain
| | - Elena Grachova
- Institute of Chemistry, St Petersburg University, Universitetskii pr. 26, 198504 St. Petersburg, Russia.
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8
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Bates JS, Johnson MR, Khamespanah F, Root TW, Stahl SS. Heterogeneous M-N-C Catalysts for Aerobic Oxidation Reactions: Lessons from Oxygen Reduction Electrocatalysts. Chem Rev 2023; 123:6233-6256. [PMID: 36198176 PMCID: PMC10073352 DOI: 10.1021/acs.chemrev.2c00424] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Nonprecious metal heterogeneous catalysts composed of first-row transition metals incorporated into nitrogen-doped carbon matrices (M-N-Cs) have been studied for decades as leading alternatives to Pt for the electrocatalytic O2 reduction reaction (ORR). More recently, similar M-N-C catalysts have been shown to catalyze the aerobic oxidation of organic molecules. This Focus Review highlights mechanistic similarities and distinctions between these two reaction classes and then surveys the aerobic oxidation reactions catalyzed by M-N-Cs. As the active-site structures and kinetic properties of M-N-C aerobic oxidation catalysts have not been extensively studied, the array of tools and methods used to characterize ORR catalysts are presented with the goal of supporting further advances in the field of aerobic oxidation.
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Affiliation(s)
- Jason S. Bates
- Department of Chemistry, University of Wisconsin–Madison, Madison, WI 53706, USA
| | - Mathew R. Johnson
- Department of Chemistry, University of Wisconsin–Madison, Madison, WI 53706, USA
| | - Fatemeh Khamespanah
- Department of Chemistry, University of Wisconsin–Madison, Madison, WI 53706, USA
| | - Thatcher W. Root
- Department of Chemical and Biological Engineering, University of Wisconsin–Madison, Madison, WI 53706, USA
| | - Shannon S. Stahl
- Department of Chemistry, University of Wisconsin–Madison, Madison, WI 53706, USA
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9
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Xin Z, Dong X, Wang YR, Wang Q, Shen K, Shi JW, Chen Y, Lan YQ. Electronic Tuning of CO 2 Interaction by Oriented Coordination of N-Rich Auxiliary in Porphyrin Metal-Organic Frameworks for Light-Assisted CO 2 Electroreduction. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023:e2301261. [PMID: 37127898 PMCID: PMC10375083 DOI: 10.1002/advs.202301261] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/24/2023] [Indexed: 05/03/2023]
Abstract
The efficient CO2 electroreduction into high-value products largely relies on the CO2 adsorption/activation or electron-transfer of electrocatalysts, thus site-specific functionalization methods that enable boosted related interactions of electrocatalysts are much desired. Here, an oriented coordination strategy is reported to introduce N-rich auxiliary (i.e., hexamethylenetetramine, HMTA) into metalloporphyrin metal organic frameworks (MOFs) to synthesize a series of site-specific functionalized electrocatalysts (HMTA@MOF-545-M, M = Fe, Co, and Ni) and they are successfully applied in light-assisted CO2 electroreduction. Noteworthy, thus-obtained HMTA@MOF-545-Co presents approximately two times enhanced CO2 adsorption-enthalpy and electrochemical active surface-area with largely decreased impedance-value after modification, resulting in almost twice higher CO2 electroreduction performance than its unmodified counterpart. Besides, its CO2 electroreduction performance can be further improved under light-illumination and displays superior FECO (≈100%), high CO generation rate (≈5.11 mol m-2 h-1 at -1.1 V) and energy efficiency (≈70% at -0.7 V). Theoretical calculations verify that the oriented coordination of HMTA can increase the charge density of active sites, almost doubly enhance the CO2 adsorption energy, and largely reduce the energy barrier of rate determining step for the boosted performance improvement. This work might promote the development of modifiable porous crystalline electrocatalysts in high-efficiency CO2 electroreduction.
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Affiliation(s)
- Zhifeng Xin
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Ma'anshan, Anhui, 243002, P. R. China
| | - Xue Dong
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Ma'anshan, Anhui, 243002, P. R. China
| | - Yi-Rong Wang
- National and Local Joint Engineering Research Center of MPTES in High Energy and Safety LIBs, Engineering Research Center of MTEES (Ministry of Education), Key Laboratory of ETESPG (GHEI), School of Chemistry, South China Normal University, Guangzhou, 510006, P. R. China
| | - Qian Wang
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Ma'anshan, Anhui, 243002, P. R. China
| | - Kejing Shen
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Ma'anshan, Anhui, 243002, P. R. China
| | - Jing-Wen Shi
- National and Local Joint Engineering Research Center of MPTES in High Energy and Safety LIBs, Engineering Research Center of MTEES (Ministry of Education), Key Laboratory of ETESPG (GHEI), School of Chemistry, South China Normal University, Guangzhou, 510006, P. R. China
| | - Yifa Chen
- National and Local Joint Engineering Research Center of MPTES in High Energy and Safety LIBs, Engineering Research Center of MTEES (Ministry of Education), Key Laboratory of ETESPG (GHEI), School of Chemistry, South China Normal University, Guangzhou, 510006, P. R. China
| | - Ya-Qian Lan
- National and Local Joint Engineering Research Center of MPTES in High Energy and Safety LIBs, Engineering Research Center of MTEES (Ministry of Education), Key Laboratory of ETESPG (GHEI), School of Chemistry, South China Normal University, Guangzhou, 510006, P. R. China
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10
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Liu X, Xing Q, Song J, Xiao Z, Wang F, Yang T, Yu J, Chen W, Li X, Chen Y. A facile strategy to prepare FeN x decorated PtFe intermetallic with excellent acidic oxygen reduction reaction activity and stability. J Colloid Interface Sci 2023; 645:241-250. [PMID: 37149998 DOI: 10.1016/j.jcis.2023.04.129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 04/21/2023] [Accepted: 04/24/2023] [Indexed: 05/09/2023]
Abstract
The construction of low-Pt-content intermetallic on carbon supports has been verified as a promising method to promote the activity of the oxygen reduction reaction (ORR). In this study, we have developed a simple and effective strategy to obtain a well-designed CNT-PtFe-PPy precursor. This precursor contains modulated Pt- and Fe-based content dispersed in polypyrrole (PPy) chain segments, which are in-situ generated on the templates of carbon nanotubes (CNTs). Subsequent pyrolysis of the CNT-PtFe-PPy precursor produces a CNT-PtFe@FeNC catalyst, which contains both Fe-Nx and PtFe intermetallic active sites. Due to the highly efficient dispersion of active species, the CNT-PtFe@FeNC electrocatalyst displays a 9.5 times higher specific activity (SA) and 8.5 times higher mass activity (MA) than those of a commercial Pt/C catalyst in a 0.1 M HClO4 solution. Additionally, these results, combined with excellent durability (the SA and MA maintained 94 % and 91 % of initial activity after a 10-k cycle accelerated durability test), represent among the best performance achieved so far for Pt-based ORR electrocatalysts. Furthermore, density functional theory (DFT) calculations revealed that the presence of Fe-N4 species reduces the adsorption energy between the PtFe intermetallic compound and OH*, accelerating the ORR process.
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Affiliation(s)
- Xue Liu
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, China
| | - Qianli Xing
- Department of Materials Science and Engineering, Tufts University, Medford 02155, MA, USA
| | - Jie Song
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, China
| | - Zuoxu Xiao
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, China
| | - Fuling Wang
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, China
| | - Tianle Yang
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, China
| | - Jinshi Yu
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, China
| | - Wenmiao Chen
- Department of Science, Texas A&M University at Qatar, Education City, P.O. Box 23874, Doha, Qatar.
| | - Xiyou Li
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, China.
| | - Yanli Chen
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, China.
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11
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Zheng Y, Wang P, Huang WH, Chen CL, Jia Y, Dai S, Li T, Zhao Y, Qiu Y, Waterhouse GIN, Chen G. Toward More Efficient Carbon-Based Electrocatalysts for Hydrogen Peroxide Synthesis: Roles of Cobalt and Carbon Defects in Two-Electron ORR Catalysis. NANO LETTERS 2023; 23:1100-1108. [PMID: 36692959 DOI: 10.1021/acs.nanolett.2c04901] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Electrochemical production of H2O2 is a cost-effective and environmentally friendly alternative to the anthraquinone-based processes. Metal-doped carbon-based catalysts are commonly used for 2-electron oxygen reduction reaction (2e-ORR) due to their high selectivity. However, the exact roles of metals and carbon defects on ORR catalysts for H2O2 production remain unclear. Herein, by varying the Co loading in the pyrolysis precursor, a Co-N/O-C catalyst with Faradaic efficiency greater than 90% in alkaline electrolyte was obtained. Detailed studies revealed that the active sites in the Co-N/O-C catalysts for 2e-ORR were carbon atoms in C-O-C groups at defect sites. The direct contribution of cobalt single atom sites and metallic Co for the 2e-ORR performance was negligible. However, Co plays an important role in the pyrolytic synthesis of a catalyst by catalyzing carbon graphitization, tuning the formation of defects and oxygen functional groups, and controlling O and N concentrations, thereby indirectly enhancing 2e-ORR performance.
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Affiliation(s)
- Yuanjie Zheng
- School of Environment and Energy, State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, South China University of Technology, Guangzhou 51006, China
| | - Peng Wang
- School of Environment and Energy, State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, South China University of Technology, Guangzhou 51006, China
| | - Wei-Hsiang Huang
- National Synchrotron Radiation Research Center, 101 Hsin-Ann Road, Hsinchu Science Park, Hsinchu 30076, Taiwan
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
| | - Chi-Liang Chen
- National Synchrotron Radiation Research Center, 101 Hsin-Ann Road, Hsinchu Science Park, Hsinchu 30076, Taiwan
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
| | - Yanyan Jia
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Centre, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science & Technology, Shanghai 200237, China
| | - Sheng Dai
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Centre, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science & Technology, Shanghai 200237, China
| | - Tan Li
- School of Environment and Energy, State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, South China University of Technology, Guangzhou 51006, China
| | - Yun Zhao
- School of Environment and Energy, State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, South China University of Technology, Guangzhou 51006, China
| | - Yongcai Qiu
- School of Environment and Energy, State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, South China University of Technology, Guangzhou 51006, China
| | | | - Guangxu Chen
- School of Environment and Energy, State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, South China University of Technology, Guangzhou 51006, China
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12
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Lim JS, Kim J, Lee KS, Sa YJ, Joo SH. Impact of Catalyst Loading of Atomically Dispersed Transition Metal Catalysts on H2O2 Electrosynthesis Selectivity. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.142031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
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13
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Liang Y, Zhao J, Yang Y, Hung SF, Li J, Zhang S, Zhao Y, Zhang A, Wang C, Appadoo D, Zhang L, Geng Z, Li F, Zeng J. Stabilizing copper sites in coordination polymers toward efficient electrochemical C-C coupling. Nat Commun 2023; 14:474. [PMID: 36710270 PMCID: PMC9884666 DOI: 10.1038/s41467-023-35993-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 01/11/2023] [Indexed: 01/31/2023] Open
Abstract
Electroreduction of carbon dioxide with renewable electricity holds promise for achieving net-zero carbon emissions. Single-site catalysts have been reported to catalyze carbon-carbon (C-C) coupling-the indispensable step for more valuable multi-carbon (C2+) products-but were proven to be transformed in situ to metallic agglomerations under working conditions. Here, we report a stable single-site copper coordination polymer (Cu(OH)BTA) with periodic neighboring coppers and it exhibits 1.5 times increase of C2H4 selectivity compared to its metallic counterpart at 500 mA cm-2. In-situ/operando X-ray absorption, Raman, and infrared spectroscopies reveal that the catalyst remains structurally stable and does not undergo a dynamic transformation during reaction. Electrochemical and kinetic isotope effect analyses together with computational calculations show that neighboring Cu in the polymer provides suitably-distanced dual sites that enable the energetically favorable formation of an *OCCHO intermediate post a rate-determining step of CO hydrogenation. Accommodation of this intermediate imposes little changes of conformational energy to the catalyst structure during the C-C coupling. We stably operate full-device CO2 electrolysis at an industry-relevant current of one ampere for 67 h in a membrane electrode assembly. The coordination polymers provide a perspective on designing molecularly stable, single-site catalysts for electrochemical CO2 conversion.
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Affiliation(s)
- Yongxiang Liang
- grid.59053.3a0000000121679639Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Strongly-Coupled Quantum Matter Physics, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026 P. R. China
| | - Jiankang Zhao
- grid.59053.3a0000000121679639Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Strongly-Coupled Quantum Matter Physics, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026 P. R. China
| | - Yu Yang
- grid.1013.30000 0004 1936 834XSchool of Chemical and Biomolecular Engineering and The University of Sydney Nano Institute, The University of Sydney, Sydney, NSW 2006 Australia
| | - Sung-Fu Hung
- grid.260539.b0000 0001 2059 7017Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu, 300 Taiwan
| | - Jun Li
- grid.16821.3c0000 0004 0368 8293Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai, 200240 China
| | - Shuzhen Zhang
- grid.1013.30000 0004 1936 834XSchool of Chemical and Biomolecular Engineering and The University of Sydney Nano Institute, The University of Sydney, Sydney, NSW 2006 Australia
| | - Yong Zhao
- grid.1013.30000 0004 1936 834XSchool of Chemical and Biomolecular Engineering and The University of Sydney Nano Institute, The University of Sydney, Sydney, NSW 2006 Australia
| | - An Zhang
- grid.59053.3a0000000121679639Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Strongly-Coupled Quantum Matter Physics, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026 P. R. China
| | - Cheng Wang
- grid.59053.3a0000000121679639Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Strongly-Coupled Quantum Matter Physics, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026 P. R. China
| | - Dominique Appadoo
- grid.248753.f0000 0004 0562 0567Australian Synchrotron, Clayton, VIC 3168 Australia
| | - Lei Zhang
- grid.59053.3a0000000121679639Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Strongly-Coupled Quantum Matter Physics, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026 P. R. China
| | - Zhigang Geng
- grid.59053.3a0000000121679639Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Strongly-Coupled Quantum Matter Physics, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026 P. R. China
| | - Fengwang Li
- grid.1013.30000 0004 1936 834XSchool of Chemical and Biomolecular Engineering and The University of Sydney Nano Institute, The University of Sydney, Sydney, NSW 2006 Australia
| | - Jie Zeng
- grid.59053.3a0000000121679639Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Strongly-Coupled Quantum Matter Physics, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026 P. R. China
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14
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Exploration of Bioinformatics on Microbial Fuel Cell Technology: Trends, Challenges, and Future Prospects. J CHEM-NY 2023. [DOI: 10.1155/2023/6902054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Microbial fuel cells (MFCs) are a cost-effective and environmentally friendly alternative energy method. MFC technology has gained much interest in recent decades owing to its effectiveness in remediating wastewater and generating bioelectricity. The microbial fuel cell generates energy mainlybecause of oxidation-reduction reactions. In this reaction, electrons were transferred between two reactants. Bioinformatics is expanding across a wide range of microbial fuel cell technology. Electroactive species in the microbial community were evaluated using bioinformatics methodologies in whole genome sequencing, RNA sequencing, transcriptomics, metagenomics, and phylogenetics. Technology advancements in microbial fuel cells primarily produce power from organic and inorganic waste from various sources. Reduced chemical oxygen demand and waste degradation are two added advantages for microbial fuel cells. From plants, bacteria, and algae, microbial fuel cells were developed. Due to the rapid advancement of sequencing techniques, bioinformatics approaches are currently widely used in the technology of microbial fuel cells. In addition, they play an important role in determining the composition of electroactive species in microorganisms. The metabolic pathway is also possible to determine with bioinformatics resources. A computational technique that reveals the nature of the mediators and the substrate was also used to predict the electrochemical properties. Computational strategies were used to tackle significant challenges in experimental procedures, such as optimization and understanding microbiological systems. The main focus of this review is on utilizing bioinformatics techniques to improve microbial fuel cell technology.
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15
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Chai Y, Wei X, Wang Y, Qiao S. Cr(OH) 3nanosheets@ZIF67 electrocatalysts prepared by electrodeposition method for efficient oxygen evolution reaction. NANOTECHNOLOGY 2023; 34:135601. [PMID: 36563402 DOI: 10.1088/1361-6528/acae2a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 12/23/2022] [Indexed: 06/17/2023]
Abstract
In this paper, a Cr(OH)3NSs@ZIF67 (NSs = nanosheets) electrocatalyst is prepared on foam Ni via a simple and rapid electrochemical deposition method. Excellent electrocatalytic activity of Cr(OH)3NSs@ZIF67 is demonstrated. It can use the overpotential of 281 mV and 390 mV respectively to drive 10 mA cm-2and 50 mA cm-2. It is observed that the Cr(OH)3NSs@ZIF67 electrode has the highest initial current density at 1.57 V compared with the other two monomer electrodes and shows excellent stability at the end of 60 000 s. It has the largest electrochemical activity specific surface and lowest charge-transfer resistance, and M-O bonds (M = Co, Cr) and shifting of binding energy peaks at the interface lead to more active sites and more efficient electron transfer for oxygen evolution reaction. This work highlights the construction of highly efficient composite electrocatalysts composted of low-dimensional non-precious transition metal compounds and metalorganic frameworks, promoting the development of low-cost non-noble metal composites in energy chemistry.
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Affiliation(s)
- Yudan Chai
- Modern College of Humanities and Sciences, Shanxi Normal University, Linfen, 041000, People's Republic of China
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, School of Chemistry & Material Science, Shanxi Normal University, Taiyuan 030031, People's Republic of China
| | - Xuedong Wei
- Modern College of Humanities and Sciences, Shanxi Normal University, Linfen, 041000, People's Republic of China
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, School of Chemistry & Material Science, Shanxi Normal University, Taiyuan 030031, People's Republic of China
| | - Yufen Wang
- Modern College of Humanities and Sciences, Shanxi Normal University, Linfen, 041000, People's Republic of China
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, School of Chemistry & Material Science, Shanxi Normal University, Taiyuan 030031, People's Republic of China
| | - Shuangyan Qiao
- Modern College of Humanities and Sciences, Shanxi Normal University, Linfen, 041000, People's Republic of China
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education, School of Chemistry & Material Science, Shanxi Normal University, Taiyuan 030031, People's Republic of China
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16
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Wang H, Chuai H, Chen X, Lin J, Zhang S, Ma X. Self-Supported Porous Carbon Nanofibers Decorated with Single Ni Atoms for Efficient CO 2 Electroreduction. ACS APPLIED MATERIALS & INTERFACES 2023; 15:1376-1383. [PMID: 36580572 DOI: 10.1021/acsami.2c19502] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Single-atom catalysts within M-N-C structures are efficient for electrochemical CO2 reduction. However, most of them are powdered and require a coating process to load on the electrode. Herein, we developed a facile approach to the synthesis of large-scale self-supported porous carbon nanofiber electrodes directly decorated with atomically dispersed nickel active sites using facile electrospinning, where poly(methyl methacrylate) was employed to tune well the distributions of pores located in carbon nanofibers. The above self-supported carbon nanofibers were applied as a gas diffusion electrode to achieve 94.3% CO Faraday efficiency and 170 mA cm-2 current density, which can be attributed to the effects of rich mesoporous structures favorable for adsorption and mass transfer of CO2 and single nickel catalysts effectively converting CO2 to CO. This work provides an efficient strategy to fabricate self-supported electrodes and may accelerate the progress toward industrial applications of single-atom catalysts in the field of CO2 electroreduction.
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Affiliation(s)
- Hui Wang
- Key Laboratory for Green Chemical Technology of Ministry of Education, Haihe Laboratory of Sustainable Chemical Transformations, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Hongyuan Chuai
- Key Laboratory for Green Chemical Technology of Ministry of Education, Haihe Laboratory of Sustainable Chemical Transformations, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Xiaoyi Chen
- Key Laboratory for Green Chemical Technology of Ministry of Education, Haihe Laboratory of Sustainable Chemical Transformations, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Jianlong Lin
- Key Laboratory for Green Chemical Technology of Ministry of Education, Haihe Laboratory of Sustainable Chemical Transformations, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Sheng Zhang
- Key Laboratory for Green Chemical Technology of Ministry of Education, Haihe Laboratory of Sustainable Chemical Transformations, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, P. R. China
| | - Xinbin Ma
- Key Laboratory for Green Chemical Technology of Ministry of Education, Haihe Laboratory of Sustainable Chemical Transformations, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, P. R. China
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17
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Li S, Li Z, Huang T, Xie H, Miao Z, Liang J, Pan R, Wang T, Han J, Li Q. Si Doping Enables Activity and Stability Enhancement on Atomically Dispersed Fe-N x /C Electrocatalysts for Oxygen Reduction in Acid. CHEMSUSCHEM 2023; 16:e202201795. [PMID: 36355035 DOI: 10.1002/cssc.202201795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 11/06/2022] [Indexed: 06/16/2023]
Abstract
Fe-N-C represents the most promising non-precious metal catalysts (NPMCs) for the oxygen reduction reaction (ORR) in fuel cells, but often suffers from poor stability in acid due to the dissolution of metal sites and the poor oxidation resistance of carbon substrates. In this work, silicon-doped iron-nitrogen-carbon (Si/Fe-N-C) catalysts were developed by in situ silicon doping and metal-polymer coordination. It was found that Si doping could not only promote the density of Fe-Nx /C active sites but also elevated the content of graphitic carbon through catalytic graphitization. The best-performing Si/Fe-N-C exhibited a half-wave potential of 0.817 V vs. reversible hydrogen electrode in 0.5 m H2 SO4 , outperforming that of undoped Fe-N-C and most of the reported Fe-N-C catalysts. It also exhibited significantly enhanced stability at elevated temperature (≥60 °C). This work provides a new way to develop non-precious metal ORR catalysts with improved activity and stability in acidic media.
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Affiliation(s)
- Shenzhou Li
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
- Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen, 518000, P. R. China
| | - Zhiqiang Li
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Tianping Huang
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Huan Xie
- International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, 210037, P. R. China
| | - Zhengpei Miao
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Jiashun Liang
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
- Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen, 518000, P. R. China
| | - Ran Pan
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Tanyuan Wang
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Jiantao Han
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Qing Li
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
- Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen, 518000, P. R. China
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18
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Duan Y, Liu Y, Wang Y, Wang H, Yin W, Xu G. Recyclable Fe/S co-doped nanocarbon derived from metal-organic framework as a peroxymonosulfate activator for efficient removal of 2,4-dichlorophenol. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:6906-6918. [PMID: 36018412 DOI: 10.1007/s11356-022-22430-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 08/03/2022] [Indexed: 06/15/2023]
Abstract
In this study, a recyclable Fe/S co-doped nanocarbon (Fe/S-NC) was successfully prepared by the pyrolysis of ZIF-8 confined with Fe(II) and added S. Characterization showed that a highly graphitized carbon-based material co-doped with sulfur and iron was successfully prepared. This Fe/S-NC can efficiently activate PMS to remove organic pollutants in water. The effect of different synthesis conditions on the degradation efficiency of 2,4-DCP was studied by orthogonal experiments. The optimized Fe/S-NC/PMS system exhibited excellent catalytic performance and could degrade more than 99.7% of 2,4-DCP within 30 min. Even after 5 cycles, the degradation efficiency could still be maintained above 96.3%, which proved that the catalytic system had good cycle performance. In addition, the effect of pH on catalytic performance showed that the degradation rate of 2,4-DCP exceeds 96.7% in the pH range of groundwater (pH = 5-9). We had confirmed that the free radicals that caused 2,4-DCP degradation were SO4·-, ·OH, O2·-, and 1O2, which played important roles in degrading organic pollutants. These research results show that the Fe/S-NC/PMS system can be used as an efficient, stable, and environmentally friendly system to treat organic pollutants in groundwater.
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Affiliation(s)
- Yu Duan
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China
| | - Yujie Liu
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China
| | - Yun Wang
- Shanghai Tenth People's Hospital, 301 Yanchang Road, Shanghai, 200072, China
| | - Hongyong Wang
- Shanghai Institute of Applied Radiation, Shanghai University, 20 Chengzhong Road, Shanghai, 200444, China
| | - Wentao Yin
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China
| | - Gang Xu
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China.
- Key Laboratory of Organic Compound Pollution Control Engineering, Ministry of Education, Shanghai, 200444, People's Republic of China.
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19
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Zhang Y, Sun T, Zhang P, Liu K, Li F, Xu L. Synthesizing MOF-derived Ni-N-C catalyst via surfactant modified strategy for efficient electrocatalytic CO2 to CO. J Colloid Interface Sci 2022; 631:96-101. [DOI: 10.1016/j.jcis.2022.10.146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 10/24/2022] [Accepted: 10/27/2022] [Indexed: 11/06/2022]
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20
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Bathla S, Tran CC, Kaliaguine S, Mushrif SH. Doping an Oxophilic Metal into a Metal Carbide: Unravelling the Synergy between the Microstructure of the Catalyst and Its Activity and Selectivity for Hydrodeoxygenation. ACS Catal 2022. [DOI: 10.1021/acscatal.2c03500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sagar Bathla
- Department of Chemical and Materials Engineering, University of Alberta, EdmontonT6G 1H9, Alberta, Canada
| | - Chi-Cong Tran
- Department of Chemical Engineering, Laval University, Québec, QuébecG1V 0A6, Canada
| | - Serge Kaliaguine
- Department of Chemical Engineering, Laval University, Québec, QuébecG1V 0A6, Canada
| | - Samir H. Mushrif
- Department of Chemical and Materials Engineering, University of Alberta, EdmontonT6G 1H9, Alberta, Canada
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21
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Shi Z, Li X, Wang X, Wang Z, Wu X. Synthesis of NiO/Nitrogen-Doped Carbon Nanowire Composite with Multi-Layered Network Structure and Its Enhanced Electrochemical Performance for Supercapacitor Application. MATERIALS (BASEL, SWITZERLAND) 2022; 15:7358. [PMID: 36295423 PMCID: PMC9607312 DOI: 10.3390/ma15207358] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/22/2022] [Accepted: 07/15/2022] [Indexed: 06/16/2023]
Abstract
Multi-layered NiO nanowires linked with a nitrogen-doped carbon backbone grown directly on flexible carbon cloth (NiO/NCBN/CC) was successfully fabricated with a facile synthetic strategy. The NiO/NCBN/CC was further used as a binding-free electrode for flexible energy storage devices, showing a boosted performance including a high capacitance of 1039.4 F g-1 at 1 A g-1 and an 83.4% capacitance retention ratio. More importantly, after 1500 cycles, the capacitance retention can achieve 72.5% at a current density of 20 A g-1. The excellent electrochemical properties of the as-prepared NiO/NCBN/CC are not only attributed to the multi-layered structure that can help to tender unimpeded channels and accommodate the electrolyte ions around the electrode interface during the charge-discharge process, but is also due to the link between the NiO and N-doped carbon backbone and the nitrogen doping on the carbon substrate, which results in extra defects on the surface that could boost the interfacial electron transfer rate of the electrode.
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Affiliation(s)
| | | | | | | | - Xiaoshuai Wu
- Institute of Materials Science & Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
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22
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Bates JS, Khamespanah F, Cullen DA, Al-Omari AA, Hopkins MN, Martinez JJ, Root TW, Stahl SS. Molecular Catalyst Synthesis Strategies to Prepare Atomically Dispersed Fe-N-C Heterogeneous Catalysts. J Am Chem Soc 2022; 144:18797-18802. [PMID: 36215721 PMCID: PMC9888425 DOI: 10.1021/jacs.2c08884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
We report a strategy to integrate atomically dispersed iron within a heterogeneous nitrogen-doped carbon (N-C) support, inspired by routes for metalation of molecular macrocyclic iron complexes. The N-C support, derived from pyrolysis of a ZIF-8 metal-organic framework, is metalated via solution-phase reaction with FeCl2 and tributyl amine, as a Brønsted base, at 150 °C. Fe active sites are characterized by 57Fe Mössbauer spectroscopy and aberration-corrected scanning transmission electron microscopy. The site density can be increased by selective removal of Zn2+ ions from the N-C support prior to metalation, resembling the transmetalation strategy commonly employed for the preparation of molecular Fe-macrocycles. The utility of this approach is validated by the higher catalytic rates (per total Fe) of these materials relative to established Fe-N-C catalysts, benchmarked using an aerobic oxidation reaction.
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Affiliation(s)
- Jason S. Bates
- Department of Chemistry, University of Wisconsin–Madison, 1101 University Avenue, Madison, WI 53706, USA
| | - Fatemeh Khamespanah
- Department of Chemistry, University of Wisconsin–Madison, 1101 University Avenue, Madison, WI 53706, USA
| | - David A. Cullen
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA
| | - Abdulhadi A. Al-Omari
- Department of Chemical and Biological Engineering, University of Wisconsin–Madison, 1415 Engineering Drive, Madison, WI 53706, USA
| | - Melissa N. Hopkins
- Department of Chemistry, University of Wisconsin–Madison, 1101 University Avenue, Madison, WI 53706, USA
| | - Jesse J. Martinez
- Department of Chemistry, University of Wisconsin–Madison, 1101 University Avenue, Madison, WI 53706, USA
| | - Thatcher W. Root
- Department of Chemical and Biological Engineering, University of Wisconsin–Madison, 1415 Engineering Drive, Madison, WI 53706, USA
| | - Shannon S. Stahl
- Department of Chemistry, University of Wisconsin–Madison, 1101 University Avenue, Madison, WI 53706, USA,Corresponding Authors
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23
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Chen C, Zhang W, Duan P, Liu W, Shafi M, Hu X, Zhang C, Zhang C, Man B, Liu M. SERS enhancement induced by the Se vacancy defects in ultra-thin hybrid phase SnSe x nanosheets. OPTICS EXPRESS 2022; 30:37795-37814. [PMID: 36258361 DOI: 10.1364/oe.473965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 09/16/2022] [Indexed: 06/16/2023]
Abstract
Improving the photo-induced charge transfer (PICT) efficiency by adjusting the energy levels difference between adsorbed probe molecules and substrate materials is a key factor for boosting the surface enhanced Raman scattering (SERS) based on the chemical mechanism (CM). Herein, a new route to improve the SERS activity of two-dimensional (2D) selenium and tin compounds (SnSex, 1 ≤ x ≤ 2) by the hybrid phase materials is researched. The physical properties and the energy band structure of SnSex were analyzed. The enhanced SERS activity of 2D SnSex can be attribute to the coupling of the PICT resonance caused by the defect energy levels induced by Se vacancy and the molecular resonance Raman scattering (RRS). This established a relationship between the physical properties and SERS activity of 2D layered materials. The resonance probe molecule, rhodamine (R6G), which is used to detect the SERS performance of SnSex nanosheets. The enhancement factor (EF) of R6G on the optimized SnSe1.35 nanosheets can be as high as 2.6 × 106, with a detection limit of 10-10 M. The SERS result of the environmental pollution, thiram, shows that the SnSex nanosheets have a practical application in trace SERS detection, without the participation of metal particles. These results demonstrate that, through hybrid phase materials, the SERS sensitivity of 2D layered nanomaterials can be improved. It provides a kind of foreground non-metal SERS substrate in monitoring or detecting and provide a deep insight into the chemical SERS mechanism based on 2D layered materials.
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24
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Anand B, Kumar V, Younis SA, Kim KH. HKUST-1 infused woven cotton filter for enhanced adsorptive removal of toluene vapor from gaseous streams. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121743] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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25
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Lee SY, Lee JY, Jang HW, Son UH, Lee S, Joh HI. Aging effect on the structure formation of active sites in single-atomic catalysts and their electrochemical properties for oxygen reduction reaction. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.10.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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26
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Kim M, Firestein KL, Fernando JFS, Xu X, Lim H, Golberg DV, Na J, Kim J, Nara H, Tang J, Yamauchi Y. Strategic design of Fe and N co-doped hierarchically porous carbon as superior ORR catalyst: from the perspective of nanoarchitectonics. Chem Sci 2022; 13:10836-10845. [PMID: 36320690 PMCID: PMC9491178 DOI: 10.1039/d2sc02726g] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 08/05/2022] [Indexed: 11/24/2022] Open
Abstract
In this study, we present microporous carbon (MPC), hollow microporous carbon (HMC) and hierarchically porous carbon (HPC) to demonstrate the importance of strategical designing of nanoarchitectures in achieving advanced catalyst (or electrode) materials, especially in the context of oxygen reduction reaction (ORR). Based on the electrochemical impedance spectroscopy and ORR studies, we identify a marked structural effect depending on the porosity. Specifically, mesopores are found to have the most profound influence by significantly improving electrochemical wettability and accessibility. We also identify that macropore contributes to the rate capability of the porous carbons. The results of the rotating ring disk electrode (RRDE) method also demonstrate the advantages of strategically designed double-shelled nanoarchitecture of HPC to increase the overall electron transfer number (n) closer to four by offering a higher chance of the double two-electron pathways. Next, selective doping of highly active Fe-N x sites on HPC is obtained by increasing the nitrogen content in HPC. As a result, the optimized Fe and N co-doped HPC demonstrate high ORR catalytic activity comparable to the commercial 20 wt% Pt/C in alkaline electrolyte. Our findings, therefore, strongly advocate the importance of a strategic design of advanced catalyst (or electrode) materials, especially in light of both structural and doping effects, from the perspective of nanoarchitectonics.
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Affiliation(s)
- Minjun Kim
- Australian Institute for Bioengineering and Nanotechnology (AIBN), School of Chemical Engineering, The University of Queensland Brisbane Queensland 4072 Australia
| | - Konstantin L Firestein
- Centre for Materials Science, School of Chemistry and Physics, Queensland University of Technology (QUT) 2 George Street Brisbane Queensland 4000 Australia
| | - Joseph F S Fernando
- Centre for Materials Science, School of Chemistry and Physics, Queensland University of Technology (QUT) 2 George Street Brisbane Queensland 4000 Australia
| | - Xingtao Xu
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS) 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Hyunsoo Lim
- New & Renewable Energy Research Center, Korea Electronics Technology Institute (KETI) 25, Saenari-ro, Bundang-gu Seongnam-si Gyeonggi-do 13509 Republic of Korea
| | - Dmitri V Golberg
- Centre for Materials Science, School of Chemistry and Physics, Queensland University of Technology (QUT) 2 George Street Brisbane Queensland 4000 Australia
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS) 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Jongbeom Na
- Australian Institute for Bioengineering and Nanotechnology (AIBN), School of Chemical Engineering, The University of Queensland Brisbane Queensland 4072 Australia
- Materials Architecturing Research Center, Korea Institute of Science and Technology 5 Hwarang-ro 14-gil, Seongbuk-gu Seoul 02792 Republic of Korea
| | - Jihyun Kim
- Solar Energy R&D Department, Green Energy Institute Mokpo Jeollanamdo 58656 Republic of Korea
| | - Hiroki Nara
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS) 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Jing Tang
- School of Chemistry and Molecular Engineering, Shanghai Key Laboratory of Green Chemistry and Chemical Processes, East China Normal University Shanghai 200062 China
| | - Yusuke Yamauchi
- Australian Institute for Bioengineering and Nanotechnology (AIBN), School of Chemical Engineering, The University of Queensland Brisbane Queensland 4072 Australia
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS) 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
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27
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Jain D, Hightower J, Basu D, Gustin V, Zhang Q, Co AC, Asthagiri A, Ozkan US. Highly active nitrogen – doped carbon nanostructures as electrocatalysts for bromine evolution reaction: A combined experimental and DFT study. J Catal 2022. [DOI: 10.1016/j.jcat.2022.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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28
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Sun Q, Xiang Y, Liu Y, Xu L, Leng T, Ye Y, Fortunelli A, Goddard WA, Cheng T. Machine Learning Predicts the X-ray Photoelectron Spectroscopy of the Solid Electrolyte Interface of Lithium Metal Battery. J Phys Chem Lett 2022; 13:8047-8054. [PMID: 35994432 DOI: 10.1021/acs.jpclett.2c02222] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
X-ray photoelectron spectroscopy (XPS) is a powerful surface analysis technique widely applied in characterizing the solid electrolyte interphase (SEI) of lithium metal batteries. However, experiment XPS measurements alone fail to provide atomic structures from a deeply buried SEI, leaving vital details missing. By combining hybrid ab initio and reactive molecular dynamics (HAIR) and machine learning (ML) models, we present an artificial intelligence ab initio (AI-ai) framework to predict the XPS of a SEI. A localized high-concentration electrolyte with a Li metal anode is simulated with a HAIR scheme for ∼3 ns. Taking the local many-body tensor representation as a descriptor, four ML models are utilized to predict the core level shifts. Overall, extreme gradient boosting exhibits the highest accuracy and lowest variance (with errors ≤ 0.05 eV). Such an AI-ai model enables the XPS predictions of ten thousand frames with marginal cost.
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Affiliation(s)
- Qintao Sun
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu P. R. China
| | - Yan Xiang
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Yue Liu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu 215123, P. R. China
| | - Liang Xu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu 215123, P. R. China
| | - Tianle Leng
- Materials and Process Simulation Center, California Institute of Technology, Pasadena, California 91125, United States
| | - Yifan Ye
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, An Hui 230026, China
| | | | - William A Goddard
- Materials and Process Simulation Center, California Institute of Technology, Pasadena, California 91125, United States
| | - Tao Cheng
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu 215123, P. R. China
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29
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Xu C, Ding B, Fan Z, Xu C, Xia Q, Li P, Dou H, Zhang X. Theoretical and Experimental Understanding of Metal Single-Atom Electrocatalysts for Accelerating the Electrochemical Reaction of Lithium-Sulfur Batteries. ACS APPLIED MATERIALS & INTERFACES 2022; 14:38750-38757. [PMID: 35976077 DOI: 10.1021/acsami.2c09430] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Metal single-atom materials have attracted tremendous attention in the research field of lithium-sulfur (Li-S) batteries because they can effectively improve the reaction kinetics of sulfur cathodes. However, it is still difficult to determine the best metal single-atom catalyst for Li-S batteries, due to the lack of a unified measurement and evaluation method. Herein, a series of metal single-atom- and nitrogen-doped graphene materials (M-NG, M = Fe, Co, Ni, Ir, Ru) have been prepared as the catalysts for promoting the reaction kinetics of the sulfur reduction reaction process. Using rotating disk electrode measurements and density functional theory-based theoretical calculations, Ni-NG was screened out to be the best catalyst. It is found that Ni-NG materials can provide a kinetically favorable pathway for the reversible conversion of polysulfide conversion, thus increasing the utilization of sulfur. By coating the Ni-NG materials on the separator as a multifunctional interlayer, a commercially available sulfur cathode presents a stable specific capacity of 701.8 mAh g-1 at a current rate of 0.5C over 400 cycles. Even with a high sulfur loading of 3.8 mg cm-2, a high areal capacity of 4.58 mAh cm-2 can be achieved. This work will provide a fundamental understanding of efficient single-atom catalyst materials for Li-S batteries.
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Affiliation(s)
- Chong Xu
- Jiangsu Key Laboratory of Electrochemical Energy-Storage Technologies, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
| | - Bing Ding
- Jiangsu Key Laboratory of Electrochemical Energy-Storage Technologies, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
- Shenzhen Research Institute, Nanjing University of Aeronautics and Astronautics, Shenzhen 518000, China
| | - Zengjie Fan
- Jiangsu Key Laboratory of Electrochemical Energy-Storage Technologies, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
| | - Chengyang Xu
- Jiangsu Key Laboratory of Electrochemical Energy-Storage Technologies, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
| | - Qizhen Xia
- Jiangsu Key Laboratory of Electrochemical Energy-Storage Technologies, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
| | - Peng Li
- Jiangsu Key Laboratory of Electrochemical Energy-Storage Technologies, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
| | - Hui Dou
- Jiangsu Key Laboratory of Electrochemical Energy-Storage Technologies, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
| | - Xiaogang Zhang
- Jiangsu Key Laboratory of Electrochemical Energy-Storage Technologies, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
- Shenzhen Research Institute, Nanjing University of Aeronautics and Astronautics, Shenzhen 518000, China
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30
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Zhang Y, Cheng L, Ji Y. A novel amorphous porous biochar for adsorption of antibiotics: Adsorption mechanism analysis via experiment coupled with theoretical calculations. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2022.07.049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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31
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Yu Z, Si C, LaGrow AP, Tai Z, Caliebe WA, Tayal A, Sampaio MJ, Sousa JPS, Amorim I, Araujo A, Meng L, Faria JL, Xu J, Li B, Liu L. Iridium–Iron Diatomic Active Sites for Efficient Bifunctional Oxygen Electrocatalysis. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01861] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zhipeng Yu
- Clean Energy Cluster, International Iberian Nanotechnology Laboratory (INL), Avenida Mestre Jose Veiga, 4715-330 Braga, Portugal
- LSRE-LCM─Laboratory of Separation and Reaction Engineering─Laboratory of Catalysis and Materials, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal
- ALiCE─Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal
| | - Chaowei Si
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
- School of Materials Science and Engineering, University of Science and Technology of China, Shenyang 110016, P. R. China
| | - Alec P. LaGrow
- Clean Energy Cluster, International Iberian Nanotechnology Laboratory (INL), Avenida Mestre Jose Veiga, 4715-330 Braga, Portugal
| | - Zhixin Tai
- Clean Energy Cluster, International Iberian Nanotechnology Laboratory (INL), Avenida Mestre Jose Veiga, 4715-330 Braga, Portugal
| | - Wolfgang A. Caliebe
- Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, D-22607 Hamburg, Germany
| | - Akhil Tayal
- Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, D-22607 Hamburg, Germany
| | - Maria J. Sampaio
- LSRE-LCM─Laboratory of Separation and Reaction Engineering─Laboratory of Catalysis and Materials, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal
- ALiCE─Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal
| | - Juliana P. S. Sousa
- Clean Energy Cluster, International Iberian Nanotechnology Laboratory (INL), Avenida Mestre Jose Veiga, 4715-330 Braga, Portugal
| | - Isilda Amorim
- Clean Energy Cluster, International Iberian Nanotechnology Laboratory (INL), Avenida Mestre Jose Veiga, 4715-330 Braga, Portugal
| | - Ana Araujo
- Clean Energy Cluster, International Iberian Nanotechnology Laboratory (INL), Avenida Mestre Jose Veiga, 4715-330 Braga, Portugal
- LSRE-LCM─Laboratory of Separation and Reaction Engineering─Laboratory of Catalysis and Materials, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal
- ALiCE─Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal
| | - Lijian Meng
- Centre of Innovation in Engineering and Industrial Technology, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, 4249-015 Porto, Portugal
| | - Joaquim L. Faria
- LSRE-LCM─Laboratory of Separation and Reaction Engineering─Laboratory of Catalysis and Materials, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal
- ALiCE─Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal
| | - Junyuan Xu
- Laboratory of Advanced Spectro-electrochemistry and Li-ion Batteries, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023 Dalian, China
| | - Bo Li
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
- School of Materials Science and Engineering, University of Science and Technology of China, Shenyang 110016, P. R. China
| | - Lifeng Liu
- Clean Energy Cluster, International Iberian Nanotechnology Laboratory (INL), Avenida Mestre Jose Veiga, 4715-330 Braga, Portugal
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32
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Wu Q, Li H, Zhou Y, Lv S, Chen T, Liu S, Li W, Chen Z. Convenient Synthesis of a Ru Catalyst Containing Single Atoms and Nanoparticles on Nitrogen-Doped Carbon with Superior Hydrogen Evolution Reaction Activity in a Wide pH Range. Inorg Chem 2022; 61:11011-11021. [PMID: 35795917 DOI: 10.1021/acs.inorgchem.2c01840] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Ruthenium, which is relatively cheap in precious metals, has become a popular alternative for a hydrogen evolution reaction (HER) catalyst because of its corrosion resistance and appropriate metal-H bond strength. Convenient synthesis and active site regulation are conducive to stimulating the excellent catalytic performance of Ru as much as possible. Herein, using the mature mesoporous nitrogen-doped carbon material as the support, the catalytic materials containing both single atom Ru and Ru nanoparticles were synthesized by impregnation using the solid-phase reduction method. The effect of reduction temperature on the dispersion state and electronic structure of Ru species has been fully studied using electronic and spectroscopic characterizations. The sample reduced at 300 °C has excellent HER activity with overpotentials of 10.8 and 53.8 mV to deliver 10 mA/cm2 in alkaline and acidic media, respectively, which is among the best activities in the reported results. Electrochemical impedance analysis shows that the reduction temperature has a great influence on the number of active sites and charge transfer impedance of the catalyst.
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Affiliation(s)
- Qikang Wu
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Key Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Han Li
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Key Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Yan Zhou
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Key Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Shanshan Lv
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Key Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Taiyu Chen
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Key Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Shaohuan Liu
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Key Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Wanying Li
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Key Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Zheng Chen
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Key Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
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33
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Howland WC, Gerken JB, Stahl SS, Surendranath Y. Thermal Hydroquinone Oxidation on Co/N-doped Carbon Proceeds by a Band-Mediated Electrochemical Mechanism. J Am Chem Soc 2022; 144:11253-11262. [PMID: 35699525 DOI: 10.1021/jacs.2c02746] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Molecular metal complexes catalyze aerobic oxidation reactions via redox cycling at the metal center to effect sequential activation of O2 and the substrate. Metal surfaces can catalyze the same transformations by coupling independent half-reactions for oxygen reduction and substrate oxidation mediated via the exchange of band-electrons. Metal- and nitrogen-doped carbons (MNCs) are promising catalysts for aerobic oxidation that consist of molecule-like active sites embedded in conductive carbon hosts. Owing to their combined molecular and metallic features, it remains unclear whether they catalyze aerobic oxidation via the sequential redox cycling pathways of molecules or band-mediated pathways of metals. Herein, we simultaneously track the potential of the catalyst and the rate of turnover of aerobic hydroquinone oxidation on a cobalt-based MNC catalyst in contact with a carbon electrode. By comparing operando measurements of rate and potential with the current-voltage behavior of each constituent half-reaction under identical conditions, we show that these molecular materials can display the band-mediated reaction mechanisms of extended metallic solids. We show that the action of these band-mediated mechanisms explains the fractional reaction orders in both oxygen and hydroquinone, the time evolution of catalyst potential and rate, and the dependence of rate on the overall reaction free energy. Selective poisoning experiments suggest that oxygen reduction proceeds at cobalt sites, whereas hydroquinone oxidation proceeds at native carbon-oxide defects on the MNC catalyst. These findings highlight that molecule-like active sites can take advantage of band-mediated mechanisms when coupled to conductive hosts.
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Affiliation(s)
- William C Howland
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - James B Gerken
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Shannon S Stahl
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Yogesh Surendranath
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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34
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Huang Z, Wang W, Song WL, Wang M, Chen H, Jiao S, Fang D. Electrocatalysis for Continuous Multi-Step Reactions in Quasi-Solid-State Electrolytes Towards High-Energy and Long-Life Aluminum-Sulfur Batteries. Angew Chem Int Ed Engl 2022; 61:e202202696. [PMID: 35384209 DOI: 10.1002/anie.202202696] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Indexed: 11/09/2022]
Abstract
Aluminum-sulfur (Al-S) batteries of ultrahigh energy-to-price ratios are a promising energy storage technology, while they suffer from a large voltage gap and short lifespan. Herein, we propose an electrocatalyst-boosting quasi-solid-state Al-S battery, which involves a sulfur-anchored cobalt/nitrogen co-doped graphene (S@CoNG) positive electrode and an ionic-liquid-impregnated metal-organic framework (IL@MOF) electrolyte. The Co-N4 sites in CoNG continuously catalyze the breaking of Al-Cl and S-S bonds and accelerate the sulfur conversion, endowing the Al-S battery with a shortened voltage gap of 0.43 V and a high discharge voltage plateau of 0.9 V. In the quasi-solid-state IL@MOF electrolytes, the shuttle effect of polysulfides has been inhibited, which stabilizes the reversible sulfur reaction, enabling the Al-S battery to deliver 820 mAh g-1 specific capacity and 78 % capacity retention after 300 cycles. This finding offers novel insights to design Al-S batteries for stable energy storage.
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Affiliation(s)
- Zheng Huang
- State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Wei Wang
- State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Wei-Li Song
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Mingyong Wang
- State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Haosen Chen
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Shuqiang Jiao
- State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, P. R. China.,Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Daining Fang
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing, 100081, P. R. China
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35
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Sandomierski M, Jakubowski M, Ratajczak M, Voelkel A. Zeolitic Imidazolate Framework‑8 (ZIF-8) modified titanium alloy for controlled release of drugs for osteoporosis. Sci Rep 2022; 12:9103. [PMID: 35650310 PMCID: PMC9160252 DOI: 10.1038/s41598-022-13187-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 05/20/2022] [Indexed: 11/20/2022] Open
Abstract
The aim of this work was to prepare a biocompatible implant material that enables the release of drug for osteoporosis—risedronate. To achieve this goal, a titanium implant coated with a biocompatible Zeolitic Imidazolate Framework 8 (ZIF-8) layer was prepared that promotes osseointegration at the bone-implant interface. The modifications of the titanium alloy as well as sorption and desorption processes were confirmed using a variety of methods: SEM, EDS XPS, and FT-IR imaging (to determine surface modification, drug distribution, and risedronate sorption), and UV–Vis spectroscopy (to determine drug sorption and release profile). Both the ZIF-8 layer and the drug are evenly distributed on the surface of the titanium alloy. The obtained ZIF-8 layer did not contain impurities and zinc ions were strongly bounded by ZIF-8 layer. The ZIF-8 layer was stable during drug sorption. The drug was released in small doses for 16 h, which may help patients recover immediately after surgery. This is the first case of using ZIF-8 on the surface of the titanium alloy as carrier that releases the drug under the influence of body fluids directly at the site of the disease. It is an ideal material for implants designed for people suffering from osteoporosis.
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Affiliation(s)
- Mariusz Sandomierski
- Institute of Chemical Technology and Engineering, Poznan University of Technology, ul. Berdychowo 4, 60-965, Poznan, Poland.
| | - Marcel Jakubowski
- Institute of Chemical Technology and Engineering, Poznan University of Technology, ul. Berdychowo 4, 60-965, Poznan, Poland
| | - Maria Ratajczak
- Institute of Building Engineering, Poznan University of Technology, ul. Piotrowo 5, 60-965, Poznan, Poland
| | - Adam Voelkel
- Institute of Chemical Technology and Engineering, Poznan University of Technology, ul. Berdychowo 4, 60-965, Poznan, Poland
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36
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Arvas MB, Gürsu H, Gencten M, Sahin Y. New Approach Synthesis of S, N Co‐Doped Graphenes for High‐Performance Supercapacitors. ChemistrySelect 2022. [DOI: 10.1002/slct.202200360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Melih Besir Arvas
- Department of Chemistry Faculty of Arts and Science Yildiz Technical University Istanbul 34220 Turkey
- Science and Technology Application and Research Center Yildiz Technical University Istanbul 34200 Turkey
| | - Hurmus Gürsu
- Department of Chemistry Faculty of Arts and Science Yildiz Technical University Istanbul 34220 Turkey
- Science and Technology Application and Research Center Yildiz Technical University Istanbul 34200 Turkey
| | - Metin Gencten
- Department of Metallurgy and Materials Engineering Faculty of Chemical and Metallurgical Engineering Yildiz Technical University 34220 Istanbul Turkey
| | - Yucel Sahin
- Department of Chemistry Faculty of Arts and Science Yildiz Technical University Istanbul 34220 Turkey
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Sun B, Zheng W, Xie B, Kang C, Zhu J, Kong F, Xiang L, Cui C, Lou S, Du C, Zuo P, Xie J, Yin G. Single-Atom Tailored Hierarchical Transition Metal Oxide Nanocages for Efficient Lithium Storage. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2200367. [PMID: 35384281 DOI: 10.1002/smll.202200367] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/12/2022] [Indexed: 06/14/2023]
Abstract
Mitigating the mechanical degradation and enhancing the ionic/electronic conductivity are critical but challengeable issues toward improving electrochemical performance of conversion-type anodes in rechargeable batteries. Herein, these challenges are addressed by constructing interconnected 3D hierarchically porous structure synergistic with Nb single atom modulation within a Co3 O4 nanocage (3DH-Co3 O4 @Nb). Such a hierarchical-structure nanocage affords several fantastic merits such as rapid ion migration and enough inner space for alleviating volume variation induced by intragrain stress and optimized stability of the solid-electrolyte interface. Particularly, experimental studies in combination with theoretical analysis verify that the introduction of Nb into the Co3 O4 lattice not only improves the electron conductivity, but also accelerates the surface/near-surface reactions defined as pesudocapacitance behavior. Dynamic behavior reveals that the ensemble design shows huge potential for fast and large lithium storage. These features endow 3DH-Co3 O4 @Nb with remarkable battery performance, delivering ≈740 mA h g-1 after ultra-long cycling of 1000 times under a high current density of 5 A g-1 . Importantly, the assembled 3DH-Co3 O4 @Nb//LiCoO2 pouch cell also presents a long-lived cycle performance with only ≈0.059% capacity decay per cycle, inspiring the design of electrode materials from both the nanostructure and atomic level toward practical applications.
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Affiliation(s)
- Baoyu Sun
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Wei Zheng
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Bingxing Xie
- School of New Energy, Nanjing University of Science and Technology, Jiangyin, 214443, China
| | - Cong Kang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Jiaming Zhu
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Fanpeng Kong
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Lizhi Xiang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Can Cui
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Shuaifeng Lou
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Chunyu Du
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Pengjian Zuo
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Jingying Xie
- State Key Laboratory of Space Power-Sources Technology, Shanghai Institute of Space Power Sources, Shanghai, 200245, China
| | - Geping Yin
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
- State Key Laboratory of Urban Water Resource and Environment, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
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38
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Wang H, Chen X, Sun T, Li Y, Lv X, Li Y, Wang H. Cobalt nanoparticles embedded into nitrogen-doped graphene with abundant macropores as a bifunctional electrocatalyst for rechargeable zinc-air batteries. Chem Asian J 2022; 17:e202200390. [PMID: 35582772 DOI: 10.1002/asia.202200390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/12/2022] [Indexed: 11/11/2022]
Abstract
Nitrogen doped carbon materials containing transition metal nanoparticles have attracted much attention as bifunctional oxygen electrocatalysts. In this paper, the template etching method is used to obtain the nitrogen-doped graphene with abundant macropores embedded with cobalt nanoparticles (Co@N-C). The prepared Co@NC-800 catalyst has a half-wave potential (E 1/2= 0.835V) close to Pt/C and good stability in excess of Pt/C for oxygen reduction reaction (ORR). At the same time, the catalyst has good oxygen evolution reaction (OER) performance. In addition, zinc-air batteries (ZABs) based on the Co@NC-800 catalyst show good cycle stability of up to 200000 s and high power density of 73.5 mW cm -2 . The synergistic effect of the integrated component between nitrogen-doped graphene and cobalt nanoparticles as well as the macroporous structure endow Co@NC-800 with abundant exposed active sites and mass/electron transfer capacity, thus leading to the high electrocatalytic activity. This work shows potential for practical applications in electrochemistry.
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Affiliation(s)
- Han Wang
- Changchun University of Science and Technology, School of Materials Science and Engineering, CHINA
| | - Xinyu Chen
- Changchun University of Science and Technology, School of Materials Science and Engineering, CHINA
| | - Tiantian Sun
- Changchun University of Science and Technology, School of Materials Science and Engineering, CHINA
| | - Yanwei Li
- Changchun University of Science and Technology, School of Materials Science and Engineering, CHINA
| | - Xiaoling Lv
- Changchun University of Science and Technology, School of Materials Science and Engineering, CHINA
| | - Yanhui Li
- Changchun University of Science and Technology, School of Materials Science and Engineering, CHINA
| | - Hengguo Wang
- Northeast Normal University, Faculty of Chemistry, 7989 Weixing Road, 130022, Changchun, CHINA
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39
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Jia Y, Shi C, Zhang W, Xia W, Hu M, Huang R, Qi R. Iron Single Atoms Anchored on Nitrogen-Doped Carbon Matrix/Nanotube Hybrid Supports for Excellent Oxygen Reduction Properties. NANOMATERIALS 2022; 12:nano12091593. [PMID: 35564301 PMCID: PMC9099764 DOI: 10.3390/nano12091593] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/26/2022] [Accepted: 05/03/2022] [Indexed: 12/10/2022]
Abstract
Single-atom non-precious metal oxygen reduction reaction (ORR) catalysts have attracted much attention due to their low cost, high selectivity, and high activity. Herein, we successfully prepared iron single atoms anchored on nitrogen-doped carbon matrix/nanotube hybrid supports (FeSA-NC/CNTs) by the pyrolysis of Fe-doped zeolitic imidazolate frameworks. The nitrogen-doped carbon matrix/carbon nanotube hybrid supports exhibit a specific surface area of 1626.814 m2 g−1, which may facilitate electron transfer and oxygen mass transport within the catalyst and be beneficial to ORR performance. Further electrochemical results revealed that our FeSA-NC/CNTs catalyst exhibited excellent ORR activity (half-wave potential: 0.86 V; kinetic current density: 39.3 mA cm−2 at 0.8 V), superior to that of commercial Pt/C catalyst (half-wave potential: 0.846 V; kinetic current density: 14.4 mA cm−2 at 0.8 V). It also has a great stability, which makes it possible to be a valuable non-noble metal electrode material that may replace the latest commercial Pt/C catalyst in the future.
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Affiliation(s)
- Yining Jia
- Key Laboratory of Polar Materials and Devices (MOE), Department of Electronics Sciences, School of Physics and Electronic Science, East China Normal University, Shanghai 200062, China; (Y.J.); (C.S.); (W.Z.); (M.H.)
| | - Chunjing Shi
- Key Laboratory of Polar Materials and Devices (MOE), Department of Electronics Sciences, School of Physics and Electronic Science, East China Normal University, Shanghai 200062, China; (Y.J.); (C.S.); (W.Z.); (M.H.)
| | - Wei Zhang
- Key Laboratory of Polar Materials and Devices (MOE), Department of Electronics Sciences, School of Physics and Electronic Science, East China Normal University, Shanghai 200062, China; (Y.J.); (C.S.); (W.Z.); (M.H.)
| | - Wei Xia
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China;
| | - Ming Hu
- Key Laboratory of Polar Materials and Devices (MOE), Department of Electronics Sciences, School of Physics and Electronic Science, East China Normal University, Shanghai 200062, China; (Y.J.); (C.S.); (W.Z.); (M.H.)
| | - Rong Huang
- Key Laboratory of Polar Materials and Devices (MOE), Department of Electronics Sciences, School of Physics and Electronic Science, East China Normal University, Shanghai 200062, China; (Y.J.); (C.S.); (W.Z.); (M.H.)
- Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China
- Correspondence: (R.H.); (R.Q.)
| | - Ruijuan Qi
- Key Laboratory of Polar Materials and Devices (MOE), Department of Electronics Sciences, School of Physics and Electronic Science, East China Normal University, Shanghai 200062, China; (Y.J.); (C.S.); (W.Z.); (M.H.)
- Correspondence: (R.H.); (R.Q.)
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40
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Xie S, Chen X, Wang C, Lu YR, Chan TS, Chuang CH, Zhang J, Yan W, Jin S, Jin H, Wu X, Ji H. Role of the Metal Atom in a Carbon-Based Single-Atom Electrocatalyst for LiS Redox Reactions. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2200395. [PMID: 35384295 DOI: 10.1002/smll.202200395] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 02/24/2022] [Indexed: 06/14/2023]
Abstract
Carbon-based single metal atom catalysts (SACs) are being extensively investigated to improve the kinetics of the Li-S redox reaction, which is greatly important for batteries with cell-level energy densities >500 W h kg-1 . However, there are contradictory reports regarding the electrocatalytic activities of the different metal atoms and the role of the metal atom in LiS chemistry still remains unclear. This is due to the complex relationship between the catalytic behavior and the structure of carbon-based SACs. Here, the catalytic behavior and active-site geometry, oxidation state, and the electronic structure of different metal centers (Fe/Co/Ni) embedded in nitrogen-doped graphene, and having similar physicochemical characteristics, are studied. Combining X-ray absorption spectroscopy, density functional theory calculations, and electrochemical analysis, it is revealed that the coordination-geometry and oxidation state of the metal atoms are modified when interacting with sulfur species. This interaction is strongly dependent on the hybridization of metal 3d and S p-orbitals. A moderate hybridization with the Fermi level crossing the metal 3d band is more favorable for LiS redox reactions. This study thus provides a fundamental understanding of how metal atoms in SACs impact LiS redox behavior and offers new guidelines to develop highly active catalytic materials for high-performance LiS batteries.
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Affiliation(s)
- Shuai Xie
- School of Chemistry and Material Sciences, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei, 230026, China
| | - Xingjia Chen
- School of Chemistry and Material Sciences, CAS Key Laboratory of Materials for Energy Conversion, and CAS Center for Excellence in Nanoscience and Synergetic Innovation of Quantum Information and Quantum Technology, University of Science and Technology of China, Hefei, 230026, China
| | - Chao Wang
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Yin-Rui Lu
- National Synchrotron Radiation Research Center, Hsinchu, 300, Taiwan
| | - Ting-Shan Chan
- National Synchrotron Radiation Research Center, Hsinchu, 300, Taiwan
| | - Cheng-Hao Chuang
- Department of Physics, Tamkang University, Tamsui 251, New Taipei City, 251301, Taiwan
| | - Jing Zhang
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, CAS, Beijing, 100049, China
| | - Wensheng Yan
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Song Jin
- School of Chemistry and Material Sciences, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei, 230026, China
| | - Hongchang Jin
- School of Chemistry and Material Sciences, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei, 230026, China
| | - Xiaojun Wu
- School of Chemistry and Material Sciences, CAS Key Laboratory of Materials for Energy Conversion, and CAS Center for Excellence in Nanoscience and Synergetic Innovation of Quantum Information and Quantum Technology, University of Science and Technology of China, Hefei, 230026, China
| | - Hengxing Ji
- School of Chemistry and Material Sciences, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei, 230026, China
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41
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Huang Z, Wang W, Song W, Wang M, Chen H, Jiao S, Fang D. Electrocatalysis for Continuous Multi‐Step Reactions in Quasi‐Solid‐State Electrolytes Towards High‐Energy and Long‐Life Aluminum–Sulfur Batteries. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Zheng Huang
- State Key Laboratory of Advanced Metallurgy University of Science and Technology Beijing Beijing 100083 P. R. China
| | - Wei Wang
- State Key Laboratory of Advanced Metallurgy University of Science and Technology Beijing Beijing 100083 P. R. China
| | - Wei‐Li Song
- Institute of Advanced Structure Technology Beijing Institute of Technology Beijing 100081 P. R. China
| | - Mingyong Wang
- State Key Laboratory of Advanced Metallurgy University of Science and Technology Beijing Beijing 100083 P. R. China
| | - Haosen Chen
- Institute of Advanced Structure Technology Beijing Institute of Technology Beijing 100081 P. R. China
| | - Shuqiang Jiao
- State Key Laboratory of Advanced Metallurgy University of Science and Technology Beijing Beijing 100083 P. R. China
- Institute of Advanced Structure Technology Beijing Institute of Technology Beijing 100081 P. R. China
| | - Daining Fang
- Institute of Advanced Structure Technology Beijing Institute of Technology Beijing 100081 P. R. China
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42
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Liu W, Pang Y, Shi Z, Yue H, Dong H, Cao Z, Yang Z, Yang S, Yin Y. Ultrafast Kinetics in a PAN/MgFe 2O 4 Flexible Free-Standing Anode Induced by Heterojunction and Oxygen Vacancies. ACS APPLIED MATERIALS & INTERFACES 2022; 14:11575-11586. [PMID: 35226473 DOI: 10.1021/acsami.2c01159] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Flexibility and power density are key factors restricting the development of flexible lithium-ion batteries (FLIBs). Interface and defect engineering can modify the intrinsic ion/electron kinetics by regulating the electronic structure. Herein, a polyacrylonitrile/MgFe2O4 (PAN-MFO) electrode with heterojunction and oxygen vacancies was first designed and synthesized as a flexible free-standing anode of FLIBs by electrostatic spinning technology. The PAN carbon nanofiber (PAN-CNF) as the skeleton structure provides fast conductive channels, buffers the volume expansion, and enhances the cycle stability. The heterostructure constructs the internal electric field, facilitates the Li+/charge transfer, intensifies the Li+ adsorption energy, and enhances the interfacial lithium storage. Oxygen vacancies improve the intrinsic conductivity, lower the Li+ diffusion barrier, weaken the Fe-O bonding, and facilitate the conversion reaction. Because of the synergistic effect of the multifunctional structure, the PAN-MFO shows superior cycle and rate performance with ultrafast kinetics. Flexible LiCoO2/PAN-MFO full pouch cells were also assembled that demonstrated a stable cycle performance and power supply in both the plain and bent states.
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Affiliation(s)
- Wenfeng Liu
- School of Physics, Henan Normal University, Xinxiang, Henan 453007, China
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
- Collaborative Innovation Center of Henan Province for Motive Power and Key Materials, Xinxiang, Henan 453007, China
| | - Yudong Pang
- School of Physics, Henan Normal University, Xinxiang, Henan 453007, China
| | - Zhenpu Shi
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
- Collaborative Innovation Center of Henan Province for Motive Power and Key Materials, Xinxiang, Henan 453007, China
| | - Hongyun Yue
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
- Collaborative Innovation Center of Henan Province for Motive Power and Key Materials, Xinxiang, Henan 453007, China
| | - Hongyu Dong
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
- Collaborative Innovation Center of Henan Province for Motive Power and Key Materials, Xinxiang, Henan 453007, China
| | - Zhaoxia Cao
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
- Collaborative Innovation Center of Henan Province for Motive Power and Key Materials, Xinxiang, Henan 453007, China
| | - Zongxian Yang
- School of Physics, Henan Normal University, Xinxiang, Henan 453007, China
| | - Shuting Yang
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
- Collaborative Innovation Center of Henan Province for Motive Power and Key Materials, Xinxiang, Henan 453007, China
| | - Yanhong Yin
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
- Collaborative Innovation Center of Henan Province for Motive Power and Key Materials, Xinxiang, Henan 453007, China
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43
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Yu Z, Si C, Escobar-Bedia FJ, LaGrow AP, Xu J, Sabater MJ, Amorim I, Araujo A, Sousa JPS, Meng LJ, Faria J, Concepcion P, Li B, Liu L. Bifunctional atomically dispersed ruthenium electrocatalysts for efficient bipolar membrane water electrolysis. Inorg Chem Front 2022. [DOI: 10.1039/d2qi00892k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Atomically dispersed catalysts (ADCs) have recently drawn considerable interest for use in water electrolysis to produce hydrogen, because they allow for maximal utilization of metal species, particularly the expensive and...
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44
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Lin Z, Huang H, Cheng L, Hu W, Xu P, Yang Y, Li J, Gao F, Yang K, Liu S, Jiang P, Yan W, Chen S, Wang C, Tong H, Huang M, Zheng W, Wang H, Chen Q. Tuning the p-Orbital Electron Structure of s-Block Metal Ca Enables a High-Performance Electrocatalyst for Oxygen Reduction. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2107103. [PMID: 34636109 DOI: 10.1002/adma.202107103] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Indexed: 06/13/2023]
Abstract
Most previous efforts are devoted to developing transition metals as electrocatalysts guided by the d-band center model. The metals of the s-block of the periodic table have so far received little attention in the application of oxygen reduction reactions (ORR). Herein, a carbon catalyst with calcium (Ca) single atom coordinated with N and O is reported, which displays exceptional ORR activities in both acidic condition (E1/2 = 0.77 V, 0.1 m HClO4 ) and alkaline condition (E1/2 = 0.90 V, 0.1 m KOH). The CaN, O/C exhibits remarkable performance in zinc-air battery with a maximum power density of 218 mW cm-2 , superior to a series of catalysts reported so far. X-ray absorption near-edge structure (XANES) characterization confirms the formation of N- and O-atom-coordinated Ca in the carbon matrix. Density functional theory (DFT) calculations reveal that the high catalytic activity of main-group Ca is ascribed to the fact that its p-orbital electron structure is regulated by N and O coordination so that the highest peak (EP ) of the projected density of states (PDOS) for the Ca atom is moved close to the Fermi level, thereby facilitating the adsorption of ORR intermediates and electron transfer.
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Affiliation(s)
- Zhiyu Lin
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Hao Huang
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Ling Cheng
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Wei Hu
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Pengping Xu
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Yang Yang
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Jianmin Li
- Beijing Synchrotron Radiation Facility (BSRF), Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
| | - Feiyue Gao
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Kang Yang
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Shuai Liu
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Peng Jiang
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Wensheng Yan
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Shi Chen
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Changlai Wang
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Huigang Tong
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Minxue Huang
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Wei Zheng
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
| | - Hui Wang
- The Anhui Key Laboratory of Condensed Mater Physics at Extreme Conditions, High Magnetic Field Laboratory, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, China
| | - Qianwang Chen
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China
- The Anhui Key Laboratory of Condensed Mater Physics at Extreme Conditions, High Magnetic Field Laboratory, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, China
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45
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Nguyen V, Etz BD, Pylypenko S, Vyas S. Periodic Trends behind the Stability of Metal Catalysts Supported on Graphene with Graphitic Nitrogen Defects. ACS OMEGA 2021; 6:28215-28228. [PMID: 34723019 PMCID: PMC8552480 DOI: 10.1021/acsomega.1c04306] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 09/28/2021] [Indexed: 06/13/2023]
Abstract
This study explored the fundamental chemical intricacies behind the interactions between metal catalysts and carbon supports with graphitic nitrogen defects. These interactions were probed by examining metal adsorption, specifically, the location of adsorption and the electronic structure of metal catalysts as the basis for the metal-support interactions (MSIs). A computational framework was developed, and a series of 12 transition metals was systematically studied over various graphene models with graphitic nitrogen defect(s). Different modeling approaches served to provide insights into previous MSI computational discrepancies, reviewing both truncated and periodic graphene models. The computational treatment affected the magnitudes of adsorption energies between the metals and support; however, metals generally followed the same trends in their MSI. It was found that the addition of the nitrogen dopant improved the MSI by promoting electronic rearrangement from the metals' d- to s-orbitals for greater orbital overlap with the carbon support, shown with increased favorable adsorption. Furthermore, the study observed periodic trends that were adept descriptors of the MSI fundamental chemistries.
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Affiliation(s)
- Vu Nguyen
- Department of Chemistry, Colorado
School of Mines, 1012
14th Street, Golden, Colorado 80401, United States
| | - Brian D. Etz
- Department of Chemistry, Colorado
School of Mines, 1012
14th Street, Golden, Colorado 80401, United States
| | - Svitlana Pylypenko
- Department of Chemistry, Colorado
School of Mines, 1012
14th Street, Golden, Colorado 80401, United States
| | - Shubham Vyas
- Department of Chemistry, Colorado
School of Mines, 1012
14th Street, Golden, Colorado 80401, United States
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46
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Gong Q, Wang Y, Ren X, He C, Liu J, Zhang Q. Ultra-low-loaded Ni-Fe Dimer Anchored to Nitrogen/Oxygen Sites for Boosting Electroreduction of Carbon Dioxide. CHEMSUSCHEM 2021; 14:4499-4506. [PMID: 34363650 DOI: 10.1002/cssc.202101302] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/21/2021] [Indexed: 06/13/2023]
Abstract
Single-atom catalysts (SACs), as a novel emerging category in heterogeneous catalysis, have exhibited superb activity and selectivity within the scope of many catalytic reactions, originating from their nature of atomic dispersion. However, they are not appropriate for more complicated reactions that benefit from multi-metal promotion, such as the carbon dioxide reduction reaction (CO2 RR). Atomic pair catalysts can provide a synergistic effect to break the intrinsic activity limit. Herein, inspired by theoretical prediction, a hetero-paired atomic-site catalyst (Ni/Fe-N/O-C) was developed for CO2 RR. Typically, the trace-amount-loaded double-atom-site catalysts exhibited outstanding turnover frequencies (≈460 s-1 ) surpassing reported ones by far. Interestingly, the loaded metal contents of the three M-N/O-C samples were extremely low, and Ni/Fe-N/O-C exhibited greatly improved durability compared with pure Ni-N/O-C or Fe-N/O-C and excellent CO selectivity above 80 % within a broad potential window of -1.4 to -1.7 V (vs. saturated calomel electrode, 99.8 % at -1.5 V). The superb performance of diatomic-site catalysts was attributed to the adjusted local environment and electron structure of the active center, which could decrease the reaction barrier of *COOH formation. This work presents new insights into manipulating electrocatalytic performance for the development of more sophisticated active sites.
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Affiliation(s)
- Qiufang Gong
- Graphene Composite Research Center, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Yajie Wang
- Graphene Composite Research Center, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Xiangzhong Ren
- Graphene Composite Research Center, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Chuanxin He
- Graphene Composite Research Center, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Jianhong Liu
- Graphene Composite Research Center, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
- Shenzhen Eigen-Equation Graphene Technology Co. Ltd., Shenzhen, 518000, P. R. China
| | - Qianling Zhang
- Graphene Composite Research Center, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
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Peng L, Zhang X, Sun Y, Li C. Electrospun ZIF-derived cavity porous carbon nanofibers as a freestanding cathode for lithium-oxygen batteries with ultralow overpotential. NANOSCALE 2021; 13:16477-16486. [PMID: 34605509 DOI: 10.1039/d1nr04850c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Construction of an efficient electrocatalyst for the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) with low overpotential and cycling stability for lithium-oxygen batteries still remains a puzzling challenge. Herein, we propose a scalable approach to integrate ZIF derivatives into cavity porous carbon nanofibers (CPCNFs) via an electrospinning technique and thermal treatment (Zn/CoNC@CPCNFs). The ultralong interconnected nanofiber matrix is beneficial, and the developed Zn/CoNC@CPCNFs catalyst with excellent flexibility can be utilized as a free-standing electrode based on an air-cathode. Moreover, this confinement strategy ensures the dispersion of Co-based species and abundant porosity structure, which contributes to the transport and adsorption of oxygen and exposes more Co-N coordination catalytic centers, as a result of a drastically ultralow voltage gap. Consequently, a cell based on a Zn/CoNC@CPCNF electrode presents remarkably decreased charge-discharge polarization (0.36 V), a high initial discharge capacity with an ultra-low overpotential of 0.59 V, and long-term cyclability with a cut-off capacity of 0.2 mA h cm-2 at 0.02 mA cm-2. We hope that our protocol will offer instruction for the design and application of oxygen electrocatalysts for energy conversion and storage.
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Affiliation(s)
- Lichong Peng
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China.
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, Beijing 100083, China
- Energy Conservation and Environmental Protection Engineering Research Center in Universities of Beijing, Beijing 100083, China
| | - Xiuling Zhang
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China.
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, Beijing 100083, China
- Energy Conservation and Environmental Protection Engineering Research Center in Universities of Beijing, Beijing 100083, China
| | - Yaxin Sun
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China.
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, Beijing 100083, China
- Energy Conservation and Environmental Protection Engineering Research Center in Universities of Beijing, Beijing 100083, China
| | - Congju Li
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China.
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, Beijing 100083, China
- Energy Conservation and Environmental Protection Engineering Research Center in Universities of Beijing, Beijing 100083, China
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Lim T, Kim JH, Kim J, Baek DS, Shin TJ, Jeong HY, Lee KS, Exner KS, Joo SH. General Efficacy of Atomically Dispersed Pt Catalysts for the Chlorine Evolution Reaction: Potential-Dependent Switching of the Kinetics and Mechanism. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03893] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Taejung Lim
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic of Korea
| | - Jae Hyung Kim
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic of Korea
| | - Jinjong Kim
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic of Korea
| | - Du San Baek
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic of Korea
| | - Tae Joo Shin
- UNIST Central Research Facilities, 50 UNIST-gil, Ulsan 44919, Republic of Korea
| | - Hu Young Jeong
- UNIST Central Research Facilities, 50 UNIST-gil, Ulsan 44919, Republic of Korea
| | - Kug-Seung Lee
- Pohang Accelerator Laboratory, 80 Jigok-ro, Pohang 37673, Republic of Korea
| | - Kai S. Exner
- Faculty of Chemistry, Theoretical Chemistry, University of Duisburg-Essen, Universitätsstraße 5, 45141 Essen, Germany
- Cluster of Excellence RESOLV, 44801 Bochum, Germany
- Center for Nanointegration (CENIDE) Duisburg-Essen, 47057 Duisburg, Germany
| | - Sang Hoon Joo
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic of Korea
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Anand B, Szulejko JE, Kim KH, Younis SA. Proof of concept for CUK family metal-organic frameworks as environmentally-friendly adsorbents for benzene vapor. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 285:117491. [PMID: 34380213 DOI: 10.1016/j.envpol.2021.117491] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 05/11/2021] [Accepted: 05/27/2021] [Indexed: 06/13/2023]
Abstract
The utility of metal-organic frameworks (MOFs) such as the CUK family (CUK - Cambridge University-KRICT) has been explored intensively for adsorption/separation of airborne volatile organic compounds (VOCs). In this article, three M-CUK analogs (M = Mg, Co, or Ni) were synthesized hydrothermally under similar conditions to assess the effects of their isostructural properties and metal centers on adsorption of benzene vapor (0.05-1 Pa). A list of performance metrics (e.g., breakthrough volume (BTV) and partition coefficient (PC)) were used to assess the role of the metal type (in M-CUK-1s) in the adsorption of VOCs. Specifically, Co-CUK-1 (average pore size of 8.98 nm) showed 2-3 times greater performance (e.g., in terms of 10% BTV (2012 L atm g-1) and PC (6 mol kg-1 Pa-1)) over other analogs when exposed up to 0.05 Pa benzene vapor. The superiority of mesoporous Co-CUK-1 (e.g., enhanced adsorption diffusion mechanism through favorable metal-π and π- π interactions) can be attributed to the presence of cobalt metal centers (e.g., in reference to Mg- or Ni-CUK-1).
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Affiliation(s)
- Bhaskar Anand
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul, 04763, Republic of Korea
| | - Jan E Szulejko
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul, 04763, Republic of Korea
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul, 04763, Republic of Korea.
| | - Sherif A Younis
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul, 04763, Republic of Korea; Analysis and Evaluation Department, Egyptian Petroleum Research Institute, Nasr City, Cairo, 11727, Egypt
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Giusto P, Cruz D, Heil T, Tarakina N, Patrini M, Antonietti M. Chemical Vapor Deposition of Highly Conjugated, Transparent Boron Carbon Nitride Thin Films. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2101602. [PMID: 34218530 PMCID: PMC8425861 DOI: 10.1002/advs.202101602] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Indexed: 05/25/2023]
Abstract
Ternary materials made up only from the lightweight elements boron, carbon, and nitrogen are very attractive due to their tunable properties that can be obtained by changing the relative elemental composition. However, most of the times, the synthesis requires to use up to three different precursor and very high temperatures for the synthesis. Moreover, the low reciprocal solubility of boron nitride and graphene often leads to BN-C composite materials due to phase segregation. Herein, an innovative method is presented to prepare BCN thin films by chemical vapor deposition from a single source precursor, melamine diborate. The deposition occurs homogenously at relatively low temperatures generating very high degree of sp2 conjugation. The as-prepared thin films possess high transparency and refractive index values in the visible range that are of interest for reflective mirrors and lenses. Furthermore, they are wide-bandgap semiconductor with very positive valence band, making these materials very stable against oxidation of interest as protective coating and charge transport layer for solar cells. The simple chemical vapor deposition method that relies on commonly available and low-hazard precursor can open the way for application of BCN thin films in optics, optoelectronics, and beyond.
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Affiliation(s)
- Paolo Giusto
- Max Planck Institute of Colloids and InterfacesDepartment of Colloid ChemistryAm Mühlenberg 1Potsdam14476Germany
| | - Daniel Cruz
- Max Planck Institute of Colloids and InterfacesDepartment of Colloid ChemistryAm Mühlenberg 1Potsdam14476Germany
| | - Tobias Heil
- Max Planck Institute of Colloids and InterfacesDepartment of Colloid ChemistryAm Mühlenberg 1Potsdam14476Germany
| | - Nadezda Tarakina
- Max Planck Institute of Colloids and InterfacesDepartment of Colloid ChemistryAm Mühlenberg 1Potsdam14476Germany
| | | | - Markus Antonietti
- Max Planck Institute of Colloids and InterfacesDepartment of Colloid ChemistryAm Mühlenberg 1Potsdam14476Germany
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