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Garcia-Basabe Y, Suenson Cardoso M, Lima BDS, Mendoza CD, Freire Junior FL, Larrude DG. Investigation into electronic interaction and work function tuning of phthalocyanine molecules and graphene interfaces. Phys Chem Chem Phys 2024; 26:24438-24446. [PMID: 39259219 DOI: 10.1039/d4cp02025a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/12/2024]
Abstract
Understanding the interfacial electronic structures of organic semiconductor phthalocyanines (MePc) and graphene is essential for their practical application in various fields. In this study, we investigated the electronic structure and the tuning of the work function of free metal phthalocyanine (Pc4), cobalt phthalocyanine (CoPc), and copper phthalocyanine (CuPc) molecules deposited on a graphene monolayer using X-ray photoelectron spectroscopy (XPS) and ultraviolet photoelectron spectroscopy (UPS). We found that the functionalization of MePc molecules induces p-doping to the graphene substrate due to the charge transfer mechanism with the MePc molecule. XPS analysis shows that the electronic interaction at the interface between Pc molecules and graphene substrate mainly occurs through the pyrrole species. Comparatively, it was observed that the electronic coupling between graphene and CuPc is relatively stronger than that between CoPc and graphene. The electronic interaction of the CuPc/Gr sample principally occurs through the Cu2+ 3d states of CuPc, the molecule, and the graphene 2p π states. This electronic interaction increases the work function of the graphene substrate to 5.75 eV, 6.05 eV, and 6.12 eV after depositing the Pc4, CoPc, and CuPc molecules, respectively. These results show that the MePc/Gr samples investigated in this study can be considered promising candidates for applications requiring a high work function to increase hole injection efficiency.
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Affiliation(s)
- Yunier Garcia-Basabe
- Universidade Federal da Integração Latino-Americana, UNILA, 85867-970, Foz do Iguaçu, Brazil.
| | - Matheus Suenson Cardoso
- School of Engineering, Mackenzie Presbyterian University, São Paulo 01302-907, Brazil
- School of Physics and Astronomy, University of Manchester, Manchester M13 9PL, UK
| | - Bruno da Silva Lima
- School of Engineering, Mackenzie Presbyterian University, São Paulo 01302-907, Brazil
| | - Cesar D Mendoza
- Department of Physics, Pontifícia Universidade Católica do Rio de Janeiro, 22451-900, Rio de Janeiro, Brazil
| | | | - Dunieskys G Larrude
- School of Engineering, Mackenzie Presbyterian University, São Paulo 01302-907, Brazil
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2
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Gao S, Chen Y, Zhang Y, Wang Y. Dual-Metal-Site Metal-Organic Frameworks for Oxygen Reduction: The Crucial Role of Environmental Species Covering on the Secondary Site. J Phys Chem Lett 2024:9780-9786. [PMID: 39291861 DOI: 10.1021/acs.jpclett.4c02334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2024]
Abstract
Macrocycle-based dual-metal-site metal-organic frameworks emerge as promising catalysts whose activity can be conveniently manipulated via metal node modification. However, how the metal node affects catalysis remains unclear. Herein, using first-principles calculations, we provide new mechanistic insight into dual-metal-site catalysis, where the recently synthesized M1-CoOAPc materials (M1 = Co, Ni, Cu; OAPc = octaaminophthalocyanine) are adopted for demonstration. The modeling results explain experimental measurements of Ni- and Cu-CoOAPc for facilitating oxygen reduction while highlighting a contradiction between the theoretical and experimental activity of Co-CoOAPc. Remarkably, this contradiction is attributed to the inherent H2O adsorption on Co nodes, which is usually neglected in dual-metal-site studies. We expand M1-CoOAPc with other metal nodes and find that Fe-CoOAPc (involving *H2O on the Fe nodes) exhibits a desirable theoretical half-wave potential of 0.82 V, as revealed from constant-potential and microkinetic modeling. This work improves the understanding of dual-metal-site catalysis by uncovering the impact of environmental species covering on the secondary site.
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Affiliation(s)
- Shurui Gao
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Wenyuan Road No. 1, Nanjing 210023, P.R. China
| | - Yuheng Chen
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Wenyuan Road No. 1, Nanjing 210023, P.R. China
| | - Yuwei Zhang
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Wenyuan Road No. 1, Nanjing 210023, P.R. China
| | - Yu Wang
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Wenyuan Road No. 1, Nanjing 210023, P.R. China
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3
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Sun G, Sun W, Liu J, Zha X, Lu S, Wang Y. Chitosan-Based Hydrogel Functionalized with Fe(II) Phthalocyanine for Butylated Hydroxyanisole Determination. Inorg Chem 2024; 63:17263-17273. [PMID: 39222464 DOI: 10.1021/acs.inorgchem.4c03086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
The synthesis of functional electrode sensing materials is the key to the construction of electrochemical sensors. A new hydrogel electrode sensing material was developed by incorporating Fe(II) phthalocyanine (FePc) into chitosan-based hydrogels. The chitosan-based hydrogel plays a crucial role in dispersing FePc nanoparticles uniformly and generating a stable environment for the redox reaction of butylated hydroxyanisole (BHA) on the electrode surface. Under optimized conditions, the prepared electrochemical sensor exhibited a detection range of 0.1-30 and 30-1000 μmol/L, with a detection limit of 0.035 μmol/L (S/N = 3). Moreover, this sensor demonstrated exceptional resistance to interference and maintained its stability. These findings suggest that the developed electrochemical sensor is promising for reliable detection of BHA in real samples, highlighting the potential of combining conductive hydrogels with functionalized metal phthalocyanines for accurate and rapid BHA determination.
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Affiliation(s)
- Guorong Sun
- College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Wang Sun
- College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Junyan Liu
- College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Xiaoqian Zha
- College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Shun Lu
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China
| | - Yang Wang
- College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
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Akogun FS, Judd M, Mort AGC, Malthus SJ, Robb MG, Cox N, Brooker S. Complexes of a Noncyclic Carbazole-based N5-donor Schiff base: Structures, Redox, EPR and Poor Activity as Hydrogen Evolution Electrocatalysts. Inorg Chem 2024; 63:17014-17025. [PMID: 39225072 DOI: 10.1021/acs.inorgchem.4c02657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
A new noncyclic pentadentate N5-donor Schiff-base ligand, HL2Etpyr (1,1'-(3,6-ditert-butyl-9H-carbazole-1,8-diyl)bis(N-(2-(pyridin-2-yl)ethyl)methanimine)), prepared from 1,8-diformyl-3,6-ditertbutyl-carbazole (HUtBu) and two equivalents of 2-(2-pyridyl)ethylamine, along with four tetrafluoroborate complexes, [MIIL2Etpyr](BF4), where M = Co, Ni, Cu, and Zn, and two [CoIIL2EtPyr]·1/2[CoIIX4] complexes where X = NCS or Cl, isolated as solvates, are reported. All six complexes were structurally characterized, revealing the cations to be isostructural, with M(II) in a trigonal bipyramidal N5-donor environment. Only the Zn(II) complex is fluorescent. Cyclic voltammograms of [MIIL2Etpyr](BF4) in MeCN reveal reversible redox processes at positive potentials: 0.61 (Zn), 0.62 (Cu), 0.57 (Ni), and 0.25 V (Co), and for the cobalt complex a second quasi-reversible process occurs at 0.92 V vs Fc+/Fc. EPR data for the first oxidation product clearly demonstrate that the Zn complex undergoes a ligand centered oxidation, and support this being the case for the Ni and Cu complexes, although this is not definitively shown. After both oxidations the EPR data shows that the Co complex is best described as a low spin Co(III)-ligand radical. In the presence of 80 mM acetic acid, controlled potential electrolysis carried out on [MIIL2Etpyr](BF4) at -1.68 V in MeCN shows some electrocatalytic hydrogen evolution reaction (HER) performance in the order Ni(II) > Cu(II) > Co(II) - but the control, Ni(II) tetrafluoroborate, is more active than all three of the complexes.
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Affiliation(s)
- Folaranmi S Akogun
- Department of Chemistry and MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Otago, PO Box 56, Dunedin 9054, New Zealand
| | - Martyna Judd
- Research School of Chemistry, The Australian National University, Canberra, ACT 0200, Australia
| | - Alexandra G C Mort
- Research School of Chemistry, The Australian National University, Canberra, ACT 0200, Australia
| | - Stuart J Malthus
- Department of Chemistry and MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Otago, PO Box 56, Dunedin 9054, New Zealand
| | - Matthew G Robb
- Department of Chemistry and MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Otago, PO Box 56, Dunedin 9054, New Zealand
| | - Nicholas Cox
- Research School of Chemistry, The Australian National University, Canberra, ACT 0200, Australia
| | - Sally Brooker
- Department of Chemistry and MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Otago, PO Box 56, Dunedin 9054, New Zealand
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Shang Z, Zhu Z, Wang G, Lu W, Wu B, Li Q. Pyridine-bridged cobalt tetra-aminophthalocyanine to active peroxymonosulphate for efficient degrading carbamazepine. ENVIRONMENTAL TECHNOLOGY 2024; 45:4230-4242. [PMID: 37559566 DOI: 10.1080/09593330.2023.2245541] [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: 12/15/2022] [Accepted: 04/11/2023] [Indexed: 08/11/2023]
Abstract
In this study, each cobalt tetra-aminophthalocyanine (CoTAPc) molecule was immobilised with four isonicotinic acid (INA) molecules by amide bonding, a novel and highly efficient catalyst pyridine-bridged cobalt tetra-aminophthalocyanine (CoTAPc-TINA) was synthesised. The introduction of INA molecules promoted CoTAPc to expose more active sites, and increased the electron cloud density of cobalt ions promoting O-O bond homolysis of PMS to generate more active species, which significantly enhanced catalytic activity. With the pharmaceutical of carbamazepine (CBZ) as model pollutant, 0.1 g/L CoTAPc-TINA in dark in the presence of 0.4 mM PMS, 98.8% CBZ was removed within 10 min. However, under the same conditions the removed of CBZ was only 58.9% by CoTAPc/PMS system. Radical capture experiments combined electron paramagnetic resonance technology demonstrate that hydroxyl radicals, sulphate radicals, superoxide radicals and singlet oxygen are the main active species in the CoTAPc-TINA/PMS system. As the reaction proceeded, all aromatic intermediates were transformed to small molecular acids by these active species. This investigation provided a new insight for application of metal phthalocyanine in wastewater treatment.
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Affiliation(s)
- Zhiguo Shang
- National Engineering Lab for Textile Fiber Materials & Processing Technology (Zhejiang), School of Materials Science & Engineering, Zhejiang Sci-Tech University, Hangzhou, People's Republic of China
| | - Zhexin Zhu
- National Engineering Lab for Textile Fiber Materials & Processing Technology (Zhejiang), School of Materials Science & Engineering, Zhejiang Sci-Tech University, Hangzhou, People's Republic of China
| | - Gangqiang Wang
- National Engineering Lab for Textile Fiber Materials & Processing Technology (Zhejiang), School of Materials Science & Engineering, Zhejiang Sci-Tech University, Hangzhou, People's Republic of China
| | - Wangyang Lu
- National Engineering Lab for Textile Fiber Materials & Processing Technology (Zhejiang), School of Materials Science & Engineering, Zhejiang Sci-Tech University, Hangzhou, People's Republic of China
| | - Bingyao Wu
- National Engineering Lab for Textile Fiber Materials & Processing Technology (Zhejiang), School of Materials Science & Engineering, Zhejiang Sci-Tech University, Hangzhou, People's Republic of China
| | - Qijian Li
- National Engineering Lab for Textile Fiber Materials & Processing Technology (Zhejiang), School of Materials Science & Engineering, Zhejiang Sci-Tech University, Hangzhou, People's Republic of China
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Zhang Y, Sun WY. Rational design of organic ligands for metal-organic frameworks as electrocatalysts for CO 2 reduction. Chem Commun (Camb) 2024; 60:8824-8839. [PMID: 39051620 DOI: 10.1039/d4cc02635g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
Electrocatalytic carbon dioxide (CO2) reduction to valuable chemical compounds is a sustainable technology with enormous potential to facilitate carbon neutrality by transforming intermittent energy sources into stable fuels. Among various electrocatalysts, metal-organic frameworks (MOFs) have garnered increasing attention for the electrochemical CO2 reduction reaction (CO2RR) owing to their structural diversity, large surface area, high porosity and tunable chemical properties. Ligands play a vital role in MOFs, which can regulate the electronic structure and chemical environment of metal centers of MOFs, thereby influencing the activity and selectivity of products. This feature article discusses the strategies for the rational design of ligands and their impact on the CO2RR performance of MOFs to establish a structure-performance relationship. Finally, critical challenges and potential opportunities for MOFs with different ligand types in the CO2RR are mentioned with the aim to inspire the targeted design of advanced MOF catalysts in the future to achieve efficient electrocatalytic CO2 conversion.
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Affiliation(s)
- Ya Zhang
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China.
- College of Chemistry, Chongqing Normal University, Chongqing 401331, China
| | - Wei-Yin Sun
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China.
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Yang Y, Yao X, Xuan Z, Chen X, Zhang Y, Huang T, Shi M, Chen Y, Lan YQ. Porous crystalline conjugated macrocyclic materials and their energy storage applications. MATERIALS HORIZONS 2024; 11:3747-3763. [PMID: 38895771 DOI: 10.1039/d4mh00313f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Porous crystalline conjugated macrocyclic materials (CMMs) possess high porosity, tunable structure/function and efficient charge transport ability owing to their planar macrocyclic conjugated π-electron system, which make them promising candidates for applications in energy storage. In this review, we thoroughly summarize the timely development of porous crystalline CMMs in energy storage related fields. Specifically, we summarize and discuss their structures and properties. In addition, their energy storage applications, such as lithium ion batteries, lithium sulfur batteries, sodium ion batteries, potassium ion batteries, Li-CO2 batteries, Li-O2 batteries, Zn-air batteries, supercapacitors and triboelectric nanogenerators, are also discussed. Finally, we present the existing challenges and future prospects. We hope this review will inspire the development of advanced energy storage materials based on porous crystalline CMMs.
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Affiliation(s)
- Yiwen Yang
- School of Chemistry, South China Normal University, Guangzhou, 510006, China.
| | - Xiaoman Yao
- School of Chemistry, South China Normal University, Guangzhou, 510006, China.
| | - Zhe Xuan
- School of Chemistry, South China Normal University, Guangzhou, 510006, China.
| | - Xuanxu Chen
- School of Chemistry, South China Normal University, Guangzhou, 510006, China.
| | - Yuluan Zhang
- School of Chemistry, South China Normal University, Guangzhou, 510006, China.
| | - Taoping Huang
- School of Chemistry, South China Normal University, Guangzhou, 510006, China.
| | - Mingjin Shi
- School of Chemistry, South China Normal University, Guangzhou, 510006, China.
| | - Yifa Chen
- School of Chemistry, South China Normal University, Guangzhou, 510006, China.
| | - Ya-Qian Lan
- School of Chemistry, South China Normal University, Guangzhou, 510006, China.
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8
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Mai S, Zhang W, Mu X, Cao J. Structural Decoration of Porphyrin/Phthalocyanine Photovoltaic Materials. CHEMSUSCHEM 2024; 17:e202400217. [PMID: 38494448 DOI: 10.1002/cssc.202400217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 03/10/2024] [Accepted: 03/11/2024] [Indexed: 03/19/2024]
Abstract
Porphyrin/phthalocyanine compounds with fascinating molecular structures have attracted widespread attention in the field of solar cells in recent years. In this review, we focus on the pivotal role of porphyrin and phthalocyanine compounds in enhancing the efficiency of solar cells. The review seamlessly integrates the intricate molecular structures of porphyrins and phthalocyanines with their proficiency in absorbing visible light and facilitating electron transfer, key processes in converting sunlight into electricity. By delving into the nuances of intramolecular regulation, aggregated states, and surface/interface structure manipulation, it elucidates how various levels of molecular modifications enhance solar cell efficiency through improved charge transfer, stability, and overall performance. This comprehensive exploration provides a detailed understanding of the complex relationship between molecular design and solar cell performance, discussing current advancements and potential future applications of these molecules in solar energy technology.
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Affiliation(s)
- Sibei Mai
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Weilun Zhang
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Xijiao Mu
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Jing Cao
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
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Zhu D, Shan W, Xu B, Duan X, Wei S, Zhang J, Wang Y, Zhou L. Metallophthalocyanine as ideal antibiotics without light: Mechanisms and applications. J Inorg Biochem 2024; 257:112599. [PMID: 38749082 DOI: 10.1016/j.jinorgbio.2024.112599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 04/30/2024] [Accepted: 05/07/2024] [Indexed: 06/09/2024]
Abstract
The urgent global health problem of antimicrobial resistance (AMR) calls for the discovery of new antibiotics with innovative modes of action while considering the low toxicity to mammalian cells. This paper proposes a novel strategy for designing antibiotics with selective bacterial toxicity by exploiting the positional differences of electron transport chains (ETC) in bacterial and mammalian cells. The focus is on cytochrome c (cyt C) and its maturation system in E. coli. The catalytic oxidative activity of metallophthalocyanine (MPc), which have a distinctive M-N4 structure, is being investigated. Unlike previous applications based on light-activated reactive oxygen species (ROS) generation, this study exploits the ability of MPcs to oxidize Fe2+ to Fe3+ in cyt C and catalyze the formation of disulfide bonds between cysteine residues to interfere with cyt C maturation, disrupt the bacterial respiratory chain and selectively kills bacteria. In contrast, in mammalian cells, these MPcs are located in the lysosomes and cannot access the ETC in the mitochondria, thus achieving selective bacterial toxicity. Two MPcs that showed effective antibacterial activity in a wound infection model were identified. This study provides a valuable reference for the design of novel antibiotics based on M-N4-based metal complex molecules.
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Affiliation(s)
- Dongsheng Zhu
- College of Chemistry and Materials Science, Jiangsu Key Laboratory of Bio-functional Materials, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Key Laboratory of Applied Photochemistry, Nanjing Normal University, Nanjing 210023, China
| | - Wanting Shan
- College of Chemistry and Materials Science, Jiangsu Key Laboratory of Bio-functional Materials, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Key Laboratory of Applied Photochemistry, Nanjing Normal University, Nanjing 210023, China
| | - Beibei Xu
- College of Chemistry and Materials Science, Jiangsu Key Laboratory of Bio-functional Materials, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Key Laboratory of Applied Photochemistry, Nanjing Normal University, Nanjing 210023, China
| | - Xiaomeng Duan
- College of Chemistry and Materials Science, Jiangsu Key Laboratory of Bio-functional Materials, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Key Laboratory of Applied Photochemistry, Nanjing Normal University, Nanjing 210023, China
| | - Shaohua Wei
- College of Chemistry and Materials Science, Jiangsu Key Laboratory of Bio-functional Materials, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Key Laboratory of Applied Photochemistry, Nanjing Normal University, Nanjing 210023, China
| | - Jishuang Zhang
- College of Chemistry and Materials Science, Jiangsu Key Laboratory of Bio-functional Materials, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Key Laboratory of Applied Photochemistry, Nanjing Normal University, Nanjing 210023, China.
| | - Yicheng Wang
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials, Jiangsu National Synergistic Innovation Center for Advanced Materials, Nanjing University of Posts and Telecommunications, Nanjing 210023, China.
| | - Lin Zhou
- College of Chemistry and Materials Science, Jiangsu Key Laboratory of Bio-functional Materials, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Key Laboratory of Applied Photochemistry, Nanjing Normal University, Nanjing 210023, China.
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Guo H, Raj J, Wang Z, Zhang T, Wang K, Lin L, Hou W, Zhang J, Wu M, Wu J, Wang L. Synergistic Effects of Amine Functional Groups and Enriched-Atomic-Iron Sites in Carbon Dots for Industrial-Current-Density CO 2 Electroreduction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2311132. [PMID: 38511553 DOI: 10.1002/smll.202311132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 03/12/2024] [Indexed: 03/22/2024]
Abstract
Metal phthalocyanine molecules with Me-N4 centers have shown promise in electrocatalytic CO2 reduction (eCO2R) for CO generation. However, iron phthalocyanine (FePc) is an exception, exhibiting negligible eCO2R activity due to a higher CO2 to *COOH conversion barrier and stronger *CO binding energy. Here, amine functional groups onto atomic-Fe-rich carbon dots (Af-Fe-CDs) are introduced via a one-step solvothermal molecule fusion approach. Af-Fe-CDs feature well-defined Fe-N4 active sites and an impressive Fe loading (up to 8.5 wt%). The synergistic effect between Fe-N4 active centers and electron-donating amine functional groups in Af-Fe-CDs yielded outstanding CO2-to-CO conversion performance. At industrial-relevant current densities exceeding 400 mA cm-2 in a flow cell, Af-Fe-CDs achieved >92% selectivity, surpassing state-of-the-art CO2-to-CO electrocatalysts. The in situ electrochemical FTIR characterization combined with theoretical calculations elucidated that Fe-N4 integration with amine functional groups in Af-Fe-CDs significantly reduced energy barriers for *COOH intermediate formation and *CO desorption, enhancing eCO2R efficiency. The proposed synergistic effect offers a promising avenue for high-efficiency catalysts with elevated atomic-metal loadings.
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Affiliation(s)
- Huazhang Guo
- Institute of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Jithu Raj
- Department of Chemical and Environmental Engineering, University of Cincinnati, Cincinnati, OH, 45221, USA
| | - Zeming Wang
- Institute of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Tianyu Zhang
- Department of Chemical and Environmental Engineering, University of Cincinnati, Cincinnati, OH, 45221, USA
| | - Kang Wang
- Institute of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Lili Lin
- Institute of Industrial Catalysis, State Key Laboratory of Green Chemistry Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, P. R. China
| | - Weidong Hou
- Institute of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Jiye Zhang
- School of Materials Science and Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, P. R. China
| | - Minghong Wu
- Key Laboratory of Organic Compound Pollution Control Engineering (MOE), School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Jingjie Wu
- Department of Chemical and Environmental Engineering, University of Cincinnati, Cincinnati, OH, 45221, USA
| | - Liang Wang
- Institute of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
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Ye J, Lu J, Yuan H, Wan Z, Wan X, Tang Y, Li L, Wen D. Monodispersed Molecular Phthalocyanine with Sulfur-Driven Electron Delocalization for Enhanced Electrochemical Biosensing. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308285. [PMID: 38353330 DOI: 10.1002/smll.202308285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 12/14/2023] [Indexed: 07/05/2024]
Abstract
Heterogenizing the molecular catalysts on conductive scaffolds to achieve the isolated molecular dispersion and expected coordination structures is significant yet still challenging. Herein, a sulfur-driving strategy to anchor monodispersed cobalt phthalocyanine on nitrogen and sulfur co-doped graphene (NSG-CoPc) is demonstrated. Experimental and theoretical analysis prove that the incorporation of S dramatically improves the adsorption capability of NSG and evokes the monodispersion of the CoPc molecule, promoting the axial Co─N coordination and the electron delocalization of the Co catalytic center. Benefiting from the reduced activation energy barrier and boosted electron transfer, as well as the maximized active site utilization, NSG-CoPc exhibits outstanding H2O2 oxidization and sensing performance (used as a representative reaction). Moreover, the usage of NSG as a substrate can be readily extended to other metal (Ni, Cu, and Fe) phthalocyanine molecules with molecular-level dispersion. This work clarifies the mechanism of heteroatoms decoration and provides a new paradigm in devising monodispersed molecular catalysts with modulated chemical surroundings for broad applications.
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Affiliation(s)
- Jianqi Ye
- State Key Laboratory of Solidification Processing, Shaanxi Joint Laboratory of Graphene, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
- State Key Laboratory of Solidification Processing, Carbon/Carbon Composites Research Center, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
| | - Jinhua Lu
- State Key Laboratory of Solidification Processing, Carbon/Carbon Composites Research Center, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
| | - Hongxing Yuan
- State Key Laboratory of Solidification Processing, Shaanxi Joint Laboratory of Graphene, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
| | - Ziqi Wan
- State Key Laboratory of Solidification Processing, Shaanxi Joint Laboratory of Graphene, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
| | - Xinhao Wan
- State Key Laboratory of Solidification Processing, Shaanxi Joint Laboratory of Graphene, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
| | - Yarui Tang
- State Key Laboratory of Solidification Processing, Shaanxi Joint Laboratory of Graphene, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
| | - Lanqing Li
- State Key Laboratory of Solidification Processing, Shaanxi Joint Laboratory of Graphene, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
| | - Dan Wen
- State Key Laboratory of Solidification Processing, Shaanxi Joint Laboratory of Graphene, Northwestern Polytechnical University, Xi'an, 710072, P. R. China
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12
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Li M, Han B, Li S, Zhang Q, Zhang E, Gong L, Qi D, Wang K, Jiang J. Constructing 2D Phthalocyanine Covalent Organic Framework with Enhanced Stability and Conductivity via Interlayer Hydrogen Bonding as Electrocatalyst for CO 2 Reduction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2310147. [PMID: 38377273 DOI: 10.1002/smll.202310147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 01/22/2024] [Indexed: 02/22/2024]
Abstract
Fabricating COFs-based electrocatalysts with high stability and conductivity still remains a great challenge. Herein, 2D polyimide-linked phthalocyanine COF (denoted as NiPc-OH-COF) is constructed via solvothermal reaction between tetraanhydrides of 2,3,9,10,16,17,23,24-octacarboxyphthalocyaninato nickel(II) and 2,5-diamino-1,4-benzenediol (DB) with other two analogous 2D COFs (denoted as NiPc-OMe-COF and NiPc-H-COF) synthesized for reference. In comparison with NiPc-OMe-COF and NiPc-H-COF, NiPc-OH-COF exhibits enhanced stability, particularly in strong NaOH solvent and high conductivity of 1.5 × 10-3 S m-1 due to the incorporation of additional strong interlayer hydrogen bonding interaction between the O-H of DB and the hydroxy "O" atom of DB in adjacent layers. This in turn endows the NiPc-OH-COF electrode with ultrahigh CO2-to-CO faradaic efficiency (almost 100%) in a wide potential range from -0.7 to -1.1 V versus reversible hydrogen electrode (RHE), a large partial CO current density of -39.2 mA cm-2 at -1.1 V versus RHE, and high turnover number as well as turnover frequency, amounting to 45 000 and 0.76 S-1 at -0.80 V versus RHE during 12 h lasting measurement.
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Affiliation(s)
- Mingrun Li
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Bin Han
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Senzhi Li
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Qi Zhang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Enhui Zhang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Lei Gong
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Dongdong Qi
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Kang Wang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Jianzhuang Jiang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
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13
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Wu JH, Wang JW, Aramburu-Trošelj BM, Niu FJ, Guo LJ, Ouyang G. Recent progress on nickel phthalocyanine-based electrocatalysts for CO 2 reduction. NANOSCALE 2024; 16:11496-11512. [PMID: 38828611 DOI: 10.1039/d4nr01269k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
The electrocatalytic reduction of CO2 to high-value fuels by renewable electricity is a sustainable strategy, which can substitute for fossil fuels and circumvent climate changes induced by elevated CO2 emission levels, making the rational design of versatile electrocatalysts highly desirable. Among all the electrocatalytic materials used in the CO2 reduction reaction, nickel phthalocyanine (NiPc)-based electrocatalysts have attracted considerable attention recently because of their high CO selectivity and catalytic activity. Herein, we review the latest advances in CO2 electroreduction to CO catalyzed by immobilized NiPc and its derivatives on diverse surfaces. Specific strategies, the structure-performance relationship and the CO2-to-CO reaction mechanism of these NiPc-based electrocatalysts are analyzed. Future opportunities and challenges for this series of powerful heterogeneous electrocatalysts are also highlighted.
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Affiliation(s)
- Jian-Hao Wu
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China.
- School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Jia-Wei Wang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China.
| | - Bruno M Aramburu-Trošelj
- CONICET-Universidad de Buenos Aires, Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE), Pabellón 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
| | - Fu-Jun Niu
- School of Advanced Energy, Sun Yat-sen University (Shenzhen), Shenzhen 518107, China.
| | - Lie-Jin Guo
- School of Advanced Energy, Sun Yat-sen University (Shenzhen), Shenzhen 518107, China.
| | - Gangfeng Ouyang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China.
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14
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Zhang T, Jiang Z, Rappe AM. Hydrogenation of Covalent Organic Framework Induces Conjugated π Bonds and Electronic Topological Transition to Enhance Hydrogen Evolution Catalysis. J Am Chem Soc 2024; 146:15488-15495. [PMID: 38776284 DOI: 10.1021/jacs.4c03973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/24/2024]
Abstract
Recently, many topological materials have been discovered as promising electrocatalysts in chemical conversion processes and energy storage. However, it remains unclear how the topological electronic states specifically modulate the catalytic reaction. Here, the two-dimensional metal phthalocyanine-based covalent organic framework (MPc-COF) is studied by ab initio thermodynamic calculations to clearly reveal the promotional effect on the electrochemical hydrogen evolution reaction (HER) induced by topological gapless bands (TGBs). We find that the prehydrogenated (and fluorinated) H4CdPc-COF(F) shows the best HER performance, with 0.016 V (near zero) overpotential. By tracking changes to the electronic structure and free energy as the prehydrogenation and HER processes occur, we are able to separately attribute the high HER efficiency in part due to the increase of the electron bath by donating electrons to the conjugated π bonds and also to the existence of TGBs. Specifically, the significant catalytic promotion by TGBs is proven to decrease the free energy by 0.218 eV to near zero. When the TGBs are destroyed, e.g., by replacing N with P and opening a band gap, the HER efficiency is reduced. This study opens avenues for deterministically harnessing topological band features to improve electrocatalysis.
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Affiliation(s)
- Tan Zhang
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Zhen Jiang
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Andrew M Rappe
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
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15
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Jiao Y, Chen Y, Liu L, Yu X, Tian G. Engineering of Ultra-Thin Layer of MIL-125(Ti) Nanosheet\Zn-Tetracarboxy-Phthalocyanine S-Scheme Heterojunction as Photocatalytic CO 2 Reduction Catalyst. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309094. [PMID: 38174629 DOI: 10.1002/smll.202309094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 12/21/2023] [Indexed: 01/05/2024]
Abstract
Metal-organic frameworks (MOFs) with ultrathin 2D structure have attracted remarkable attention in photocatalytic application owing to the accessibility of abundant active sites on the surface. But high charge recombination results in poor photocatalytic activity. Herein, the synthesis of ultrathin MIL-125(Ti) nanosheets is reported with a thickness of 1.3 nm through a simple chemical reaction route of precursor solution aging and subsequent solvothermal process for photocatalytic CO2 production. The maximal CO evolution rate achieves 200.8 µmol g-1 h-1, which is prominently higher than that (78.6 µmol g-1 h-1) of the bulk MIL-125(Ti) counterpart. Furthermore, the structurally stable Zn (II) tetracarboxy phthalocyanine (ZnTcPc) molecules assembly on ultrathin MIL-125(Ti) nanosheet (NS) to form MIL-125(Ti) NS\ZnTcPc S-scheme heterojunction through the strong interaction between the Ti3+ in MIL-125(Ti) and the COOH in ZnTcPc. The introduction of ZnTcPc greatly extends light absorption range and increases charge separation rate. The experimental and density functional theory calculation results validate that the MIL-125(Ti) NS\ZnTcPc S-scheme heterojunction can favor CO2 adsorption and effectively depress the formation energy of the intermediates, achieving a high CO evolution rate of 450.8 µmol g-1 h-1. This work provides a strategy of engineering 2D MOF-based heterostructure systems for photocatalytic application.
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Affiliation(s)
- Yuzhen Jiao
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, Heilongjiang University, Harbin, 150080, P. R. China
| | - Yajie Chen
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, Heilongjiang University, Harbin, 150080, P. R. China
| | - Lu Liu
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, Heilongjiang University, Harbin, 150080, P. R. China
| | - Xinyan Yu
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, Heilongjiang University, Harbin, 150080, P. R. China
| | - Guohui Tian
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, Heilongjiang University, Harbin, 150080, P. R. China
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16
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Li Y, Cheng H, Wang M, Xu J, Guan L. Highly coordinative molecular cobalt-phthalocyanine electrocatalyst on an oxidized single-walled carbon nanotube for efficient hydrogen peroxide production. MATERIALS HORIZONS 2024; 11:2517-2527. [PMID: 38497122 DOI: 10.1039/d3mh02142d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
H2O2 production via the two-electron oxygen reduction reaction (2e- ORR) offers a potential alternative to the current anthraquinone method owing to its efficiency and environmental friendliness. However, it is necessary to determine the structures of electrocatalysts with cost-effectiveness and high efficiency for future industrialization demand. Herein, a supramolecular catalyst composed of cobalt-phthalocyanine on a near-monodispersed and oxidized single-walled carbon nanotube (CoPc/o-SWCNT) was synthesized via a solution self-assembly method for catalyzing the 2e- ORR for H2O2 electrosynthesis. Benefiting from the enhanced intermolecular interaction by introducing oxygen functional groups on o-SWCNTs, the oxidation states of single-atom Co sites were tuned via the formation of two extra Co-O bonds. Coupled with structural characterizations, density-functional theory (DFT) calculations reveal that the depressed d-band center of the Co site regulated by two axially-bridged O atoms gives rise to a suitable binding strength of oxygen intermediates (*OOH) to favor the 2e- ORR. Thus, the CoPc-6wt%/o-SWCNT-2 catalyst with optimized synthetic parameters delivers competitive 2e- ORR performance for H2O2 electrosynthesis in a neutral electrolyte (pH = 7), including enhanced H2O2 generation, satisfactory molar selectivity of ∼83-95% and long-period stability (75 h) in H-cell measurement. Moreover, it could also be boosted to show a high current of 45 mA cm-2, recorded turnover frequency of 25.3 ± 0.5 s-1 and maximum H2O2 production rate of 5.85 mol g-1 h-1 with a continuous H2O2 accumulation of 1.2 wt% in a flow-cell device, which outperformed most of the reported neutral-selective nonprecious metal single-atom catalysts.
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Affiliation(s)
- Yaoxin Li
- College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China.
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350108, China
| | - Haoying Cheng
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350108, China
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, China
| | - Meilin Wang
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350108, China
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, China
| | - Jiaoxing Xu
- College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China.
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350108, China
| | - Lunhui Guan
- College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China.
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350108, China
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17
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Chen J, Liu Y, Duan R, Huang Q, Li C. Binuclear Metal Phthalocyanines with Enhanced Activity in the Oxygen Evolution Reaction: A First-Principles Study. J Phys Chem Lett 2024:3336-3344. [PMID: 38498308 DOI: 10.1021/acs.jpclett.4c00363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
The rational design of efficient catalysts for the electrochemical oxygen evolution reaction (OER) critically relies on a comprehensive understanding of the reaction mechanisms. Herein, the alkaline OER on planar mononuclear metal phthalocyanines (MPc, where M = Mn, Co, Fe, and Ni) and binuclear metal phthalocyanines (bi-MPc) is studied using density functional theory (DFT) methods. Both FePc and bi-CoPc exhibit enhanced stability and OER activity, with the energy required for the leaching of central metal being as high as 2.28 and 2.45 eV and the overpotentials of the OER being 0.48 and 0.57 V, respectively. Through electronic structure analysis, it is found that, in the OER process of bi-MPc, the large macrocyclic ligand and metal ions not bonding with the intermediate can serve as hole reservoirs. Intermediate species are further stabilized by the dispersal of a positive charge, reducing the free energy. These findings underscore the significance of macrocyclic ligands in the rate-determining step of the OER catalyst.
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Affiliation(s)
- Jun Chen
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Yang Liu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Ruizhi Duan
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, People's Republic of China
- Key Laboratory of Advanced Catalysis of Gansu Province, State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, People's Republic of China
| | - Qinge Huang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, People's Republic of China
- Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Can Li
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
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18
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Dong Y, Lv X, Sun Y, Zhao Q, Lei H, Wu F, Zhang T, Xue Z, Cao R, Qiu F, Xue S. Electrocatalytic Oxygen Reduction Reaction of Peripheral Functionalized Cobalt Porphyrins(2.1.2.1). Inorg Chem 2024; 63:4797-4801. [PMID: 38427578 DOI: 10.1021/acs.inorgchem.3c03877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2024]
Abstract
Two peripheral functionalized clamp-shaped cobalt porphyrin(2.1.2.1) complexes were synthesized, and their electrocatalytic ORR abilities were investigated. The crystal data and optical and redox properties of them were revised by peripheral modification. The ORR capacities and DFT calculations of F5PhCo and F5NCo suggest superior selectivity for the 4e- ORR pathway. This work further confirms the clamp-shaped cobalt porphyrin complexes are ideal Co-N4 ORR catalysts.
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Affiliation(s)
- Yuting Dong
- School of Chemistry and Chemical Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Xiaojuan Lv
- School of Chemistry and Chemical Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Yingjie Sun
- Hebei Provincial Key Laboratory of Photoelectric Control on Surface and Interface, College of Science, Hebei University of Science and Technology, Shijiazhuang, Hebei 050018, China
| | - Qian Zhao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, Shaanxi, China
| | - Haitao Lei
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, Shaanxi, China
| | - Fan Wu
- State Key Laboratory of Coordination Chemistry, Collaborative Innovation Center of Advanced Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Tao Zhang
- School of Chemistry and Chemical Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Zhaoli Xue
- School of Chemistry and Chemical Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Rui Cao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, Shaanxi, China
| | - Fengxian Qiu
- School of Chemistry and Chemical Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Songlin Xue
- School of Chemistry and Chemical Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
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19
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Mirshokraee SA, Muhyuddin M, Orsilli J, Berretti E, Lavacchi A, Lo Vecchio C, Baglio V, Viscardi R, Zaffora A, Di Franco F, Santamaria M, Olivi L, Pollastri S, Santoro C. Mono-, bi- and tri-metallic Fe-based platinum group metal-free electrocatalysts derived from phthalocyanine for oxygen reduction reaction in alkaline media. NANOSCALE 2024. [PMID: 38488880 DOI: 10.1039/d4nr00575a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/17/2024]
Abstract
In this manuscript, a comprehensive study is presented on Fe-based electrocatalysts with mono, bi, and tri-metallic compositions, emphasizing the influence of processing-structure correlations on the electrocatalytic activity for the oxygen reduction reaction (ORR) in the alkaline medium. These electrocatalysts were synthesized through the mixing of transition metal phthalocyanines (TM-Pc) with conductive carbon support, followed by controlled thermal treatment at specific temperatures (600 °C and 900 °C). An extensive analysis was conducted, employing various techniques, including X-ray Absorption Spectroscopy (XAS), Transmission Electron Microscopy (TEM), and X-ray Diffraction (XRD), providing valuable insights into the structural characteristics of the synthesized nanoparticles. Importantly, an increase in the Fe-Pc weight percentage from 10% to 30% enhanced the ORR activity, although not proportionally. Furthermore, a comparative analysis between mono, bi, and tri-metallic samples subjected to different functionalization temperatures highlighted the superior electrocatalytic activity of electrocatalysts functionalized at 600 °C, particularly Fe 600 and Fe-Ni-Cu 600. These electrocatalysts featured Eon values of 0.96 V vs. RHE and E1/2 values of 0.9 V vs. RHE, with the added benefit of reduced anionic peroxide production. The potential of these Fe-based electrocatalysts to enhance ORR efficiency is underscored by this research, contributing to the development of more effective and sustainable electrocatalysts for energy conversion technologies.
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Affiliation(s)
- Seyed Ariana Mirshokraee
- Department of Materials Science, University of Milano-Bicocca, U5, Via Roberto Cozzi, 55, 20125, Milan, MI, Italy.
| | - Mohsin Muhyuddin
- Department of Materials Science, University of Milano-Bicocca, U5, Via Roberto Cozzi, 55, 20125, Milan, MI, Italy.
| | - Jacopo Orsilli
- Department of Materials Science, University of Milano-Bicocca, U5, Via Roberto Cozzi, 55, 20125, Milan, MI, Italy.
| | - Enrico Berretti
- Istituto di Chimica Dei Composti OrganoMetallici (ICCOM), Consiglio Nazionale Delle Ricerche (CNR), Via Madonna Del Piano 10, 50019 Sesto Fiorentino, Firenze, Italy
| | - Alessandro Lavacchi
- Istituto di Chimica Dei Composti OrganoMetallici (ICCOM), Consiglio Nazionale Delle Ricerche (CNR), Via Madonna Del Piano 10, 50019 Sesto Fiorentino, Firenze, Italy
| | - Carmelo Lo Vecchio
- Istituto di Tecnologie Avanzate per l'Energia "Nicola Giordano" (ITAE), Consiglio Nazionale delle Ricerche (CNR), Via Salita S. Lucia sopra Contesse 5, Messina, 98126, Italy
| | - Vincenzo Baglio
- Istituto di Tecnologie Avanzate per l'Energia "Nicola Giordano" (ITAE), Consiglio Nazionale delle Ricerche (CNR), Via Salita S. Lucia sopra Contesse 5, Messina, 98126, Italy
| | - Rosanna Viscardi
- Casaccia Research Center, ENEA, Santa Maria di Galeria, 00123, Rome, Italy
| | - Andrea Zaffora
- Department of Engineering, University of Palermo, Viale delle Scienze, 90128, Palermo, Italy
| | - Francesco Di Franco
- Department of Engineering, University of Palermo, Viale delle Scienze, 90128, Palermo, Italy
| | - Monica Santamaria
- Department of Engineering, University of Palermo, Viale delle Scienze, 90128, Palermo, Italy
| | - Luca Olivi
- Elettra-Sincrotrone Trieste, Area Science Park, Basovizza, Trieste, Italy
| | - Simone Pollastri
- Elettra-Sincrotrone Trieste, Area Science Park, Basovizza, Trieste, Italy
- Department of Physics, Computer Science and Mathematics, University of Modena and Reggio Emilia, Via Campi 103, 41125 Modena, Italy
| | - Carlo Santoro
- Department of Materials Science, University of Milano-Bicocca, U5, Via Roberto Cozzi, 55, 20125, Milan, MI, Italy.
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20
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Li AZ, Yuan BJ, Xu M, Wang Y, Zhang C, Wang X, Wang X, Li J, Zheng L, Li BJ, Duan H. One-Step Electrochemical Ethylene-to-Ethylene Glycol Conversion over a Multitasking Molecular Catalyst. J Am Chem Soc 2024; 146:5622-5633. [PMID: 38373280 DOI: 10.1021/jacs.3c14381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
Ethylene glycol is an essential commodity chemical with high demand, which is conventionally produced via thermocatalytic oxidation of ethylene with huge fossil fuel consumption and CO2 emission. The one-step electrochemical approach offers a sustainable route but suffers from reliance on noble metal catalysts, low activity, and mediocre selectivity. Herein, we report a one-step electrochemical oxidation of ethylene to ethylene glycol over an earth-abundant metal-based molecular catalyst, a cobalt phthalocyanine supported on a carbon nanotube (CoPc/CNT). The catalyst delivers ethylene glycol with 100% selectivity and 1.78 min-1 turnover frequency at room temperature and ambient pressure, more competitive than those obtained over palladium catalysts. Experimental data demonstrate that the catalyst orchestrates multiple tasks in sequence, involving electrochemical water activation to generate high-valence Co-oxo species, ethylene epoxidation to afford an ethylene oxide intermediate via oxygen transfer, and eventually ring-opening of ethylene oxide to ethylene glycol facilitated by in situ formed Lewis acid site. This work offers a great opportunity for commodity chemicals synthesis based on a one-step, earth-abundant metal-catalyzed, and renewable electricity-driven route.
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Affiliation(s)
- An-Zhen Li
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Bo-Jun Yuan
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Ming Xu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Ye Wang
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Chunyu Zhang
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Xiongbo Wang
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Xi Wang
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Jing Li
- Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Lirong Zheng
- Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Bi-Jie Li
- Department of Chemistry, Tsinghua University, Beijing 100084, China
- Engineering Research Center of Advanced Rare Earth Materials, (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Haohong Duan
- Department of Chemistry, Tsinghua University, Beijing 100084, China
- Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192, China
- Engineering Research Center of Advanced Rare Earth Materials, (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
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21
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Qiao M, Xie J, Zhu D. Mo-X 4 (X = O, NH and S)-mediated triphenylene-based two-dimensional carbon-rich conjugate frameworks for an efficient nitrogen reduction reaction. NANOSCALE 2024; 16:3676-3684. [PMID: 38288848 DOI: 10.1039/d3nr06549a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
The electrocatalytic nitrogen reduction reaction (NRR) is a highly competitive approach for the ammonia synthesis to overcome the problems of high energy consumption and air pollution by the traditional Haber-Bosch process. However, the challenges of inert N2 molecule activation and the competitive hydrogen evolution reaction (HER) restrict the real utilization of the NRR. Herein, by means of density functional theory (DFT) calculations, we proposed three two-dimensional carbon-rich conjugate frameworks (2D-CCFs) with hexa-substituted triphenylene organic linkers with a metal atom Mo and functional groups X (X = O, NH, and S), namely Mo3(HOTP)2, Mo3(HITP)2 and Mo3(THT)2, to investigate their NRR performance. Our theoretical calculations reveal that Mo atoms in 2D-CCFs can efficiently capture and activate N2 molecules. Among the three structures, Mo3(HOTP)2 exhibited the most superior performance toward the NRR with a favorable limiting potential of -0.41 V and good selectivity for the HER. Furthermore, the catalytic efficiency of 2D-CCFs can be regulated by changing the atoms X in Mo-X4 motifs, providing a new scenario for the development of highly efficient NRR catalysts.
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Affiliation(s)
- Man Qiao
- School of Chemistry and Materials Science, Institute of Advanced Materials and Flexible Electronics (IAMFE), Nanjing University of Information Science and Technology, 219 Ningliu Road, Nanjing, 210044, China.
| | - Jiachi Xie
- School of Chemistry and Materials Science, Institute of Advanced Materials and Flexible Electronics (IAMFE), Nanjing University of Information Science and Technology, 219 Ningliu Road, Nanjing, 210044, China.
| | - Dongdong Zhu
- School of Chemistry and Materials Science, Institute of Advanced Materials and Flexible Electronics (IAMFE), Nanjing University of Information Science and Technology, 219 Ningliu Road, Nanjing, 210044, China.
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22
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Wan W, Zhao Y, Meng J, Allen CS, Zhou Y, Patzke GR. Tailoring C─N Containing Compounds into Carbon Nanomaterials with Tunable Morphologies for Electrocatalytic Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2304663. [PMID: 37821413 DOI: 10.1002/smll.202304663] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/26/2023] [Indexed: 10/13/2023]
Abstract
Carbon materials with unique sp2 -hybridization are extensively researched for catalytic applications due to their excellent conductivity and tunable physicochemical properties. However, the development of economic approaches to tailoring carbon materials into desired morphologies remains a challenge. Herein, a convenient "bottom-up" strategy by pyrolysis of graphitic carbon nitride (g-C3 N4 ) (or other carbon/nitrogen (C, N)-enriched compounds) together with selected metal salts and molecules is reported for the construction of different carbon-based catalysts with tunable morphologies, including carbon nano-balls, carbon nanotubes, nitrogen/sulfur (S, N) doped-carbon nanosheets, and single-atom catalysts, supported by carbon layers. The catalysts are systematically investigated through various microscopic, spectroscopic, and diffraction methods and they demonstrate promising and broad applications in electrocatalysis such as in the oxygen reduction reaction and water splitting. Mechanistic monitoring of the synthesis process through online thermogravimetric-gas chromatography-mass spectrometry measurements indicates that the release of C─N-related moieties, such as dicyan, plays a key role in the growth of carbon products. This enables to successfully predict other widely available precursor compounds beyond g-C3 N4 such as caffeine, melamine, and urea. This work develops a novel and economic strategy to generate morphologically diverse carbon-based catalysts and provides new, essential insights into the growth mechanism of carbon nanomaterials syntheses.
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Affiliation(s)
- Wenchao Wan
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, Zurich, CH-8057, Switzerland
- Department of Heterogeneous Reactions, Max Planck Institute for Chemical Energy Conversion, D-45470, Mülheim an der Ruhr, Germany
| | - Yonggui Zhao
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, Zurich, CH-8057, Switzerland
| | - Jie Meng
- Division of Chemical Physics, Lund University, Box 124, Lund, 22100, Sweden
| | - Christopher S Allen
- Electron Physical Science Imaging Center, Diamond Light Source Ltd, Didcot, Oxfordshire, OX11 0DE, UK
- Department of Materials, University of Oxford, Oxford, OX1 3HP, UK
| | - Ying Zhou
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, 610500, China
- Institute of Carbon Neutrality & School of New Energy and Materials, Southwest Petroleum University, Chengdu, 610500, China
| | - Greta R Patzke
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, Zurich, CH-8057, Switzerland
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23
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Chen H, Ding R, Liu BW, Zeng FR, Zhao HB. Electrocatalytic Coenhancement of Bimetallic Polyphthalocyanine-Anchored Ru Nanoclusters Enabling Efficient Overall Water Splitting at Ampere-Level Current Densities. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2306274. [PMID: 37759380 DOI: 10.1002/smll.202306274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 09/19/2023] [Indexed: 09/29/2023]
Abstract
Efficient electrocatalysts capable of operating continuously at industrial ampere-level current densities are crucial for large-scale applications of electrocatalytic water decomposition for hydrogen production. However, long-term industrial overall water splitting using a single electrocatalyst remains a major challenge. Here, bimetallic polyphthalocyanine (FeCoPPc)-anchored Ru nanoclusters, an innovative electrocatalyst comprising the hydrogen evolution reaction (HER) active Ru and the oxygen evolution reaction (OER) active FeCoPPc, engineered for efficient overall water splitting are demonstrated. By density functional theory calculations and systematic experiments, the electrocatalytic coenhancement effect resulting from unique charge redistribution, which synergistically boosts the HER activity of Ru and the OER activity of FeCoPPc by optimizing the adsorption energy of intermediates, is unveiled. As a result, even at a large current density of 2.0 A cm-2 , the catalyst exhibits low overpotentials of 220 and 308 mV, respectively, for HER and OER. It exhibits excellent stability, requiring only 1.88 V of cell voltage to achieve a current density of 2.0 A cm-2 in a 6.0 m KOH electrolyte at 70 °C, with a remarkable operational stability of over 100 h. This work provides a new electrocatalytic coenhancement strategy for the design and synthesis of electrocatalyst, paving the way for industrial-scale overall water splitting applications.
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Affiliation(s)
- Hao Chen
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University., No. 24, South Section 1, Yihuan Road, Chengdu, Sichuan, 610064, China
| | - Rong Ding
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University., No. 24, South Section 1, Yihuan Road, Chengdu, Sichuan, 610064, China
| | - Bo-Wen Liu
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University., No. 24, South Section 1, Yihuan Road, Chengdu, Sichuan, 610064, China
| | - Fu-Rong Zeng
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University., No. 24, South Section 1, Yihuan Road, Chengdu, Sichuan, 610064, China
| | - Hai-Bo Zhao
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University., No. 24, South Section 1, Yihuan Road, Chengdu, Sichuan, 610064, China
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24
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Xiang G, Xu W, Zhuge W, Huang Q, Zhang C, Peng J. Conductive phthalocyanine-based porous organic polymer as sensing platform for rapid determination of vanillin. Analyst 2023; 148:6274-6281. [PMID: 37969078 DOI: 10.1039/d3an01758c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2023]
Abstract
Vanillin (Van) is widely utilized in processed foods and medicines for its appealing scent and multiple therapeutic benefits. However, its overconsumption poses a risk to public health, making its quantification essential for ensuring food and medicine safety and quality. This study introduces a stable and conductive phthalocyanine-based porous organic polymer (NiPc-CC POP), synthesized through a straightforward electrophilic substitution of nickel tetra-amine phthalocyanine (NiTAPc) with cyanuric chloride (CC). Appropriate characterization techniques were employed to determine the morphologies and structures of the synthesized materials. Furthermore, the NiPc-CC POP was applied to devise a sensitive Van detection method. Leveraging the high electrocatalytic activity of NiPc-CC POP toward Van oxidation, a linear response of 0.15-32 μmol L-1 was achieved, along with an exceptional detection limit of 0.10 μmol L-1. The sensor demonstrated high selectivity and stability. Samples of human serum and tablets spiked with Van were analyzed, yielding satisfactory recoveries. Consequently, this work contributes to the advancement of sensitive detection platforms for Van at minimal concentrations.
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Affiliation(s)
- Gang Xiang
- College of Chemical and Biological Engineering, Guangxi Normal University for Nationalities, Chongzuo, 532200, China
- Photochemical Sensing and Regional Environmental Analysis Laboratory, Guangxi Normal University for Nationalities, Chongzuo, 532200, China
| | - Wensi Xu
- School of Pharmacy, Henan University of Traditional Chinese Medicine, Zhengzhou, 450046, China
| | - Wenfeng Zhuge
- College of Chemical and Biological Engineering, Guangxi Normal University for Nationalities, Chongzuo, 532200, China
- Photochemical Sensing and Regional Environmental Analysis Laboratory, Guangxi Normal University for Nationalities, Chongzuo, 532200, China
| | - Qing Huang
- College of Chemical and Biological Engineering, Guangxi Normal University for Nationalities, Chongzuo, 532200, China
- Photochemical Sensing and Regional Environmental Analysis Laboratory, Guangxi Normal University for Nationalities, Chongzuo, 532200, China
| | - Cuizhong Zhang
- College of Chemical and Biological Engineering, Guangxi Normal University for Nationalities, Chongzuo, 532200, China
- Photochemical Sensing and Regional Environmental Analysis Laboratory, Guangxi Normal University for Nationalities, Chongzuo, 532200, China
| | - Jinyun Peng
- College of Chemical and Biological Engineering, Guangxi Normal University for Nationalities, Chongzuo, 532200, China
- Photochemical Sensing and Regional Environmental Analysis Laboratory, Guangxi Normal University for Nationalities, Chongzuo, 532200, China
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25
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Wang Y, Wang M, Chen T, Yu W, Liu H, Cheng H, Bi W, Zhou M, Xie Y, Wu C. Pyrazine-linked Iron-coordinated Tetrapyrrole Conjugated Organic Polymer Catalyst with Spatially Proximate Donor-Acceptor Pairs for Oxygen Reduction in Fuel Cells. Angew Chem Int Ed Engl 2023; 62:e202308070. [PMID: 37779100 DOI: 10.1002/anie.202308070] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 09/25/2023] [Accepted: 10/01/2023] [Indexed: 10/03/2023]
Abstract
Nitrogen-coordinated iron (Fe-N4 ) materials represent the most promising non-noble electrocatalysts for the cathodic oxygen reduction reaction (ORR) of fuel cells. However, molecular-level structure design of Fe-N4 electrocatalyst remains a great challenge. In this study, we develop a novel Fe-N4 conjugated organic polymer (COP) electrocatalyst, which allows for precise design of the Fe-N4 structure, leading to unprecedented ORR performance. At the molecular level, we have successfully organized spatially proximate iron-pyrrole/pyrazine (FePr/Pz) pairs into fully conjugated polymer networks, which in turn endows FePr sites with firmly covalent-bonded matrix, strong d-π electron coupling and highly dense distribution. The resulting pyrazine-linked iron-coordinated tetrapyrrole (Pz-FeTPr) COP electrocatalyst exhibits superior performance compared to most ORR electrocatalysts, with a half-wave potential of 0.933 V and negligible activity decay after 40,000 cycles. When used as the cathode electrocatalyst in a hydroxide exchange membrane fuel cell, the Pz-FeTPr COP achieves a peak power density of ≈210 mW cm-2 . We anticipate the COP based Fe-N4 catalyst design could be an effective strategy to develop high-performance catalyst for facilitating the progress of fuel cells.
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Affiliation(s)
- Yang Wang
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Minghao Wang
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Ting Chen
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Weisheng Yu
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Hongfei Liu
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Han Cheng
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Wentuan Bi
- Institute of Energy, Hefei Comprehensive National Science Center, Hefei, 230031, China
| | - Min Zhou
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Yi Xie
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, 230026, China
- Institute of Energy, Hefei Comprehensive National Science Center, Hefei, 230031, China
| | - Changzheng Wu
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, 230026, China
- Institute of Energy, Hefei Comprehensive National Science Center, Hefei, 230031, China
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26
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Zhang MD, Huang JR, Shi W, Liao PQ, Chen XM. Self-Accelerating Effect in a Covalent-Organic Framework with Imidazole Groups Boosts Electroreduction of CO 2 to CO. Angew Chem Int Ed Engl 2023; 62:e202308195. [PMID: 37656139 DOI: 10.1002/anie.202308195] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 08/31/2023] [Accepted: 09/01/2023] [Indexed: 09/02/2023]
Abstract
Solvent effect plays an important role in catalytic reaction, but there is little research and attention on it in electrochemical CO2 reduction reaction (eCO2 RR). Herein, we report a stable covalent-organic framework (denoted as PcNi-im) with imidazole groups as a new electrocatalyst for eCO2 RR to CO. Interestingly, compared with neutral conditions, PcNi-im not only showed high Faraday efficiency of CO product (≈100 %) under acidic conditions (pH ≈ 1), but also the partial current density was increased from 258 to 320 mA cm-2 . No obvious degradation was observed over 10 hours of continuous operation at the current density of 250 mA cm-2 . The mechanism study shows that the imidazole group on the framework can be protonated to form an imidazole cation in acidic media, hence reducing the surface work function and charge density of the active metal center. As a result, CO poisoning effect is weakened and the key intermediate *COOH is also stabilized, thus accelerating the catalytic reaction rate.
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Affiliation(s)
- Meng-Di Zhang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Guangdong Basic Research Center of Excellence for Functional Molecular Engineering, School of Chemistry, IGCME, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Jia-Run Huang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Guangdong Basic Research Center of Excellence for Functional Molecular Engineering, School of Chemistry, IGCME, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Wen Shi
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Guangdong Basic Research Center of Excellence for Functional Molecular Engineering, School of Chemistry, IGCME, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Pei-Qin Liao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Guangdong Basic Research Center of Excellence for Functional Molecular Engineering, School of Chemistry, IGCME, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Xiao-Ming Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Guangdong Basic Research Center of Excellence for Functional Molecular Engineering, School of Chemistry, IGCME, Sun Yat-Sen University, Guangzhou, 510275, China
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27
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Nadarajan R, Gopinathan AV, Dileep NP, Sidharthan AS, Shaijumon MM. Heterointerface engineering of cobalt molybdenum suboxide for overall water splitting. NANOSCALE 2023; 15:15219-15229. [PMID: 37671639 DOI: 10.1039/d3nr02458j] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/07/2023]
Abstract
Highly active and earth-abundant electrocatalysts for the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) are of great significance for sustainable hydrogen generation through alkaline water electrolysis. Here, with an aim to enhance the bifunctional electrocatalytic activity of cobalt molybdate towards overall water splitting, we demonstrate a simple method involving the modulation of the cobalt to molybdenum ratio and creation of phase-modulated heterointerfaces. Samples with varying Co/Mo molar ratios are obtained via a microwave-assisted synthesis method using appropriate starting precursors. The synthesis conditions are modified to create a heterointerface involving multiple phases of cobalt molybdenum suboxides (CoO/CoMoO3/Co2Mo3O8) supported on Ni foam (NF). Detailed electrochemical studies reveal that modulating the composition and hence the interface can tweak the bifunctional electrocatalytic activity of the material for HER and OER and thus improve the overall water splitting efficiency with very high durability over 500 h. To further evaluate the practical applicability of the studied catalyst in water splitting, an alkaline electrolyser is fabricated with the optimized cobalt molybdenum suboxide material (CMO-1.25) as a bifunctional electrocatalyst. A current density of 220 mA cm-2 @1.6 V and 670 mA cm-2 @1.8 V was obtained, and the device showed very good long-term durability.
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Affiliation(s)
- Renjith Nadarajan
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram, Maruthamala PO, Thiruvananthapuram, Kerala 695551, India.
| | - Anju V Gopinathan
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram, Maruthamala PO, Thiruvananthapuram, Kerala 695551, India.
| | - Naduvile Purayil Dileep
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram, Maruthamala PO, Thiruvananthapuram, Kerala 695551, India.
| | - Akshaya S Sidharthan
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram, Maruthamala PO, Thiruvananthapuram, Kerala 695551, India.
| | - Manikoth M Shaijumon
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram, Maruthamala PO, Thiruvananthapuram, Kerala 695551, India.
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28
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Seob Song K, Fritz PW, Abbott DF, Nga Poon L, Caridade CM, Gándara F, Mougel V, Coskun A. Mixed-metal Ionothermal Synthesis of Metallophthalocyanine Covalent Organic Frameworks for CO 2 Capture and Conversion. Angew Chem Int Ed Engl 2023; 62:e202309775. [PMID: 37533138 DOI: 10.1002/anie.202309775] [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: 07/10/2023] [Revised: 07/29/2023] [Accepted: 08/02/2023] [Indexed: 08/04/2023]
Abstract
Phthalocyanines (PCs) are intriguing building blocks owing to their stability, physicochemical and catalytic properties. Although PC-based polymers have been reported before, many suffer from relatively low stability, crystallinity, and low surface areas. Utilizing a mixed-metal salt ionothermal approach, we report the synthesis of a series of metallophthalocyanine-based covalent organic frameworks (COFs) starting from 1,2,4,5-tetracyanobenzene and 2,3,6,7-tetracyanoanthracene to form the corresponding COFs named M-pPPCs and M-anPPCs, respectively. The obtained COFs followed the Irving-Williams series in their metal contents, surface areas, and pore volume and featured excellent CO2 uptake capacities up to 7.6 mmol g-1 at 273 K, 1.1 bar. We also investigated the growth of the Co-pPPC and Co-anPPC on a highly conductive carbon nanofiber and demonstrated their high catalytic activity in the electrochemical CO2 reduction, which showed Faradaic efficiencies towards CO up to 74 % at -0.64 V vs. RHE.
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Affiliation(s)
- Kyung Seob Song
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, 1700, Fribourg, Switzerland
| | - Patrick W Fritz
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, 1700, Fribourg, Switzerland
| | - Daniel F Abbott
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1-5, 8093, Zürich, Switzerland
| | - Lok Nga Poon
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1-5, 8093, Zürich, Switzerland
| | - Cristiano M Caridade
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, 1700, Fribourg, Switzerland
| | - Felipe Gándara
- Department of New Architectures in Materials Chemistry, Materials Science Institute of Madrid-CSIC, Sor Juana Inés de la Cruz 3, 28049, Madrid, Spain
| | - Victor Mougel
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1-5, 8093, Zürich, Switzerland
| | - Ali Coskun
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, 1700, Fribourg, Switzerland
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29
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Pan JB, Wang BH, Shen S, Chen L, Yin SF. Introducing Bidirectional Axial Coordination into BiVO 4 @Metal Phthalocyanine Core-Shell Photoanodes for Efficient Water Oxidation. Angew Chem Int Ed Engl 2023; 62:e202307246. [PMID: 37488928 DOI: 10.1002/anie.202307246] [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: 05/23/2023] [Revised: 07/09/2023] [Accepted: 07/24/2023] [Indexed: 07/26/2023]
Abstract
Core-shell photoanodes have shown great potential for photoelectrochemical (PEC) water oxidation. However, the construction of a high-quality interface between the core and shell, as well as a highly catalytic surface, remains a challenge. Herein, guided by computation, we present a BiVO4 photoanode coated with ZnCoFe polyphthalocyanine using pyrazine as a coordination agent. The bidirectional axial coordination of pyrazine plays a dual role by facilitating intimate interfacial contact between BiVO4 and ZnCoFe polyphthalocyanine, as well as regulating the electron density and spin configuration of metal sites in ZnCoFe phthalocyanine, thereby promoting the potential-limiting step of *OOH desorption. The resulting photoanode displayed a high photocurrent density of 5.7±0.1 mA cm-2 at 1.23 VRHE . This study introduces a new approach for constructing core-shell photoanodes, and uncovers the key role of pyrazine axial coordination in modulating the catalytic activity of metal phthalocyanine.
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Affiliation(s)
- Jin-Bo Pan
- College of Chemistry and Chemical Engineering, State Key Laboratory of Chemo/Biosensing and Chemometrics, Ministry of Education of Advanced Engineering Research Center for Catalysis, Hunan University, Changsha, 410082, P. R. China
- College of Chemical Engineering and Environment, State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, Changping, 102249, P. R. China
| | - Bing-Hao Wang
- College of Chemistry and Chemical Engineering, State Key Laboratory of Chemo/Biosensing and Chemometrics, Ministry of Education of Advanced Engineering Research Center for Catalysis, Hunan University, Changsha, 410082, P. R. China
| | - Sheng Shen
- College of Chemistry and Chemical Engineering, State Key Laboratory of Chemo/Biosensing and Chemometrics, Ministry of Education of Advanced Engineering Research Center for Catalysis, Hunan University, Changsha, 410082, P. R. China
| | - Lang Chen
- College of Chemistry and Chemical Engineering, State Key Laboratory of Chemo/Biosensing and Chemometrics, Ministry of Education of Advanced Engineering Research Center for Catalysis, Hunan University, Changsha, 410082, P. R. China
| | - Shuang-Feng Yin
- College of Chemistry and Chemical Engineering, State Key Laboratory of Chemo/Biosensing and Chemometrics, Ministry of Education of Advanced Engineering Research Center for Catalysis, Hunan University, Changsha, 410082, P. R. China
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30
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Zhang J, Chen H, Liu S, Wang LD, Zhang XF, Wu JX, Yu LH, Zhang XH, Zhong S, Du ZY, He CT, Chen XM. Optimizing the Spatial Density of Single Co Sites via Molecular Spacing for Facilitating Sustainable Water Oxidation. J Am Chem Soc 2023; 145:20000-20008. [PMID: 37610355 DOI: 10.1021/jacs.3c06665] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/24/2023]
Abstract
Advances in single-atom (-site) catalysts (SACs) provide a new solution of atomic economy and accuracy for designing efficient electrocatalysts. In addition to a precise local coordination environment, controllable spatial active structure and tolerance under harsh operating conditions remain great challenges in the development of SACs. Here, we show a series of molecule-spaced SACs (msSACs) using different acid anhydrides to regulate the spatial density of discrete metal phthalocyanines with single Co sites, which significantly improve the effective active-site numbers and mass transfer, enabling one of the msSACs connected by pyromellitic dianhydride to exhibit an outstanding mass activity of (1.63 ± 0.01) × 105 A·g-1 and TOFbulk of 27.66 ± 1.59 s-1 at 1.58 V (vs RHE) and long-term durability at an ultrahigh current density of 2.0 A·cm-2 under industrial conditions for oxygen evolution reaction. This study demonstrates that the accessible spatial density of single atom sites can be another important parameter to enhance the overall performance of catalysts.
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Affiliation(s)
- Jia Zhang
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, and College of Life Science, Jiangxi Normal University, Nanchang 330022, China
| | - Hao Chen
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, and College of Life Science, Jiangxi Normal University, Nanchang 330022, China
| | - Shoujie Liu
- School of Materials Science and Engineering, Anhui University, Hefei 230601, China
| | - Li-Dong Wang
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, and College of Life Science, Jiangxi Normal University, Nanchang 330022, China
| | - Xue-Feng Zhang
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, and College of Life Science, Jiangxi Normal University, Nanchang 330022, China
| | - Jun-Xi Wu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Li-Hong Yu
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, and College of Life Science, Jiangxi Normal University, Nanchang 330022, China
| | - Xiao-Han Zhang
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, and College of Life Science, Jiangxi Normal University, Nanchang 330022, China
| | - Shengliang Zhong
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, and College of Life Science, Jiangxi Normal University, Nanchang 330022, China
| | - Zi-Yi Du
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, and College of Life Science, Jiangxi Normal University, Nanchang 330022, China
| | - Chun-Ting He
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, and College of Life Science, Jiangxi Normal University, Nanchang 330022, China
| | - Xiao-Ming Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
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31
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Feng D, Zhou L, White TJ, Cheetham AK, Ma T, Wei F. Nanoengineering Metal-Organic Frameworks and Derivatives for Electrosynthesis of Ammonia. NANO-MICRO LETTERS 2023; 15:203. [PMID: 37615796 PMCID: PMC10449763 DOI: 10.1007/s40820-023-01169-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 07/10/2023] [Indexed: 08/25/2023]
Abstract
Electrocatalytic synthesis under mild conditions has become increasingly important as one of the practical alternatives for industrial applications, especially for the green ammonia (NH3) industry. A properly engineered electrocatalyst plays a vital role in the realization of superior catalytic performance. Among various types of promising nanomaterials, metal-organic frameworks (MOFs) are competitive candidates for developing efficient electrocatalytic NH3 synthesis from simple nitrogen-containing molecules or ions, such as N2 and NO3-. In this review, recent advances in the development of electrocatalysts derived from MOFs for the electrosynthesis of NH3 are collected, categorized, and discussed, including their application in the N2 reduction reaction (NRR) and the NO3- reduction reaction (NO3RR). Firstly, the fundamental principles are illustrated, such as plausible mechanisms of NH3 generation from N2 and NO3-, the apparatus of corresponding electrocatalysis, parameters for evaluation of reaction efficiency, and detection methods of yielding NH3. Then, the electrocatalysts for NRR processes are discussed in detail, including pristine MOFs, MOF-hybrids, MOF-derived N-doped porous carbons, single atomic catalysts from pyrolysis of MOFs, and other MOF-related materials. Subsequently, MOF-related NO3RR processes are also listed and discussed. Finally, the existing challenges and prospects for the rational design and fabrication of electrocatalysts from MOFs for electrochemical NH3 synthesis are presented, such as the evolution of investigation methods with artificial intelligence, innovation in synthetic methods of MOF-related catalysts, advancement of characterization techniques, and extended electrocatalytic reactions.
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Affiliation(s)
- Daming Feng
- College of Chemistry, Liaoning University, Shenyang, 110036, People's Republic of China
| | - Lixue Zhou
- College of Chemistry, Liaoning University, Shenyang, 110036, People's Republic of China
| | - Timothy J White
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Anthony K Cheetham
- Materials Research Laboratory, University of California, Santa Barbara, CA, 93106, USA
| | - Tianyi Ma
- School of Science, RMIT University, Melbourne, VIC, 3000, Australia.
| | - Fengxia Wei
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis 08-03, Singapore, 138634, Singapore.
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32
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Zhu X, Yuan X, Wang Y, Ge M, Tang Y. Revealing the origin of activity in phthalocyanine-based dual-metal sites towards electrochemical nitric oxide reduction. Chem Commun (Camb) 2023; 59:9960-9963. [PMID: 37501539 DOI: 10.1039/d3cc02594b] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Coordinated ligands play crucial roles in tuning the electrochemical nitrate reduction performance of phthalocyanine (Pc)-based dual atom catalysts. With the assistance of axial O ligands, fast NO to NH3 conversion can be realized on O-Ni2-Pc and O-Cu2-Pc. A 2-N product, N2O, can be synthesized on Co2-Pc, Cr2-Pc, O-Co2-Pc, and O-Fe2-Pc through N-N coupling with high NO coverage. ΔENO can be identified as a valid descriptor to support rational M2-Pc design.
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Affiliation(s)
- Xiaorong Zhu
- College of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China.
| | - Xiaolei Yuan
- College of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China.
| | - Yijin Wang
- College of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China.
| | - Ming Ge
- College of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China.
| | - Yanfeng Tang
- College of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China.
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33
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Lawson SE, Leznoff DB, Warren JJ. Contemporary Strategies for Immobilizing Metallophthalocyanines for Electrochemical Transformations of Carbon Dioxide. Molecules 2023; 28:5878. [PMID: 37570849 PMCID: PMC10421282 DOI: 10.3390/molecules28155878] [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: 07/07/2023] [Revised: 08/02/2023] [Accepted: 08/03/2023] [Indexed: 08/13/2023] Open
Abstract
Metallophthalocyanine (PcM) coordination complexes are well-known mediators of the electrochemical reduction of carbon dioxide (CO2). They have many properties that show promise for practical applications in the energy sector. Such properties include synthetic flexibility, a high stability, and good efficiencies for the reduction of CO2 to useful feedstocks, such as carbon monoxide (CO). One of the ongoing challenges that needs to be met is the incorporation of PcM into the heterogeneous materials that are used in a great many CO2-reduction devices. Much progress has been made in the last decade and there are now several promising approaches to incorporate PcM into a range of materials, from simple carbon-adsorbed preparations to extended polymer networks. These approaches all have important advantages and drawbacks. In addition, investigations have led to new proposals regarding CO2 reduction catalytic cycles and other operational features that are crucial to function. Here, we describe developments in the immobilization of PcM CO2 reduction catalysts in the last decade (2013 to 2023) and propose promising avenues and strategies for future research.
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Affiliation(s)
| | - Daniel B. Leznoff
- Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A1S6, Canada;
| | - Jeffrey J. Warren
- Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A1S6, Canada;
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Liu X, Tao B, Wang Y, Yin H. Pure spin current in a cobalt phthalocyanine chain induced by the photogalvanic effect. Phys Chem Chem Phys 2023. [PMID: 37464927 DOI: 10.1039/d3cp01530k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
The development of methods for generating pure spin current at the molecular level is vital. In this work, we investigated how the spin-related photocurrent is produced in a cobalt phthalocyanine chain by the photogalvanic effect (PGE). Depending on how the magnetic moments of the left and right halves of the cobalt phthalocyanine chain are arranged, spin current can be generated. Both charge current and spin current are absent when the magnetic moments are arranged in parallel. Pure spin currents are generated when the magnetic moments are arranged in an antiparallel manner. Importantly, the pure spin current is robust to the polarization type and polarization angle. This characteristic results from the structure's charge density having spatial inversion symmetry but lacking that of the spin density.
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Affiliation(s)
- Xiaojie Liu
- Key Laboratory for Photonic and Electronic Bandgap Materials of Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin, 150025, China.
| | - Bairui Tao
- College of Communications and Electronics Engineering, Qiqihar University, Qiqihar, 161006, China
| | - Yin Wang
- Department of Physics and International Centre for Quantum and Molecular Structures, Shanghai University, Shanghai, 200444, China
| | - Haitao Yin
- Key Laboratory for Photonic and Electronic Bandgap Materials of Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin, 150025, China.
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35
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Zhou Y, Zhou Q, Liu H, Xu W, Wang Z, Qiao S, Ding H, Chen D, Zhu J, Qi Z, Wu X, He Q, Song L. Asymmetric dinitrogen-coordinated nickel single-atomic sites for efficient CO 2 electroreduction. Nat Commun 2023; 14:3776. [PMID: 37355748 DOI: 10.1038/s41467-023-39505-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 06/16/2023] [Indexed: 06/26/2023] Open
Abstract
Developing highly efficient, selective and low-overpotential electrocatalysts for carbon dioxide (CO2) reduction is crucial. This study reports an efficient Ni single-atom catalyst coordinated with pyrrolic nitrogen and pyridinic nitrogen for CO2 reduction to carbon monoxide (CO). In flow cell experiments, the catalyst achieves a CO partial current density of 20.1 mA cmgeo-2 at -0.15 V vs. reversible hydrogen electrode (VRHE). It exhibits a high turnover frequency of over 274,000 site-1 h-1 at -1.0 VRHE and maintains high Faradaic efficiency of CO (FECO) exceeding 90% within -0.15 to -0.9 VRHE. Operando synchrotron-based infrared and X-ray absorption spectra, and theoretical calculations reveal that mono CO-adsorbed Ni single sites formed during electrochemical processes contribute to the balance between key intermediates formation and CO desorption, providing insights into the catalyst's origin of catalytic activity. Overall, this work presents a Ni single-atom catalyst with good selectivity and activity for CO2 reduction while shedding light on its underlying mechanism.
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Affiliation(s)
- Yuzhu Zhou
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China
| | - Quan Zhou
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China
| | - Hengjie Liu
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China
| | - Wenjie Xu
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China
| | - Zhouxin Wang
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China
| | - Sicong Qiao
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China
| | - Honghe Ding
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China
| | - Dongliang Chen
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
| | - Junfa Zhu
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China
| | - Zeming Qi
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China
| | - Xiaojun Wu
- Hefei National Laboratory for Physical Science at the Microscale, Collaborative Innovation of Center of Chemistry for Energy Materials (iChEM), School of Chemistry and Materials Sciences, University of Science and Technology of China, Hefei, 230026, China
| | - Qun He
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China.
| | - Li Song
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China.
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Mukhopadhyay S, Kottaichamy AR, Chame PV, Ghosh P, Vinod CP, Makri Nimbegondi Kotresh H, Kanade SC, Thotiyl MO. Unusual Ligand Assistance in Molecular Electrocatalysis via Interfacial Proton Charge Assembly. J Phys Chem Lett 2023; 14:5377-5385. [PMID: 37278536 DOI: 10.1021/acs.jpclett.3c01262] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We show that the ability of the ligand to reorganize the electric double layer (EDL) often dominates the electrocatalysis contrary to their inductive effect in the spectrochemical series, leading to counterintuitive electrocatalysis. With water oxidation and chlorine evolution as the probe reactions, the same catalytic entity with carboxy functionalized ligand exhibited surprisingly higher electrochemical activity in comparison to the aggressively electron-withdrawing nitro functionalized ligands, which is contrary to their actual location in the spectrochemical series. Spectroscopic and electrochemical analyses suggest the enrichment of catalytically active species in the carboxy substituted ligand via proton charge assembly in the EDL that in turn enhances the kinetics of the overall electrochemical process. This demonstration of less obvious ligands becoming indispensable in electrocatalysis suggests a blind designing of ligands solely based on their inductive effect should be reconsidered as it will prevent the utilization of the maximum potential of the molecule in electrocatalysis.
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Affiliation(s)
- Sanchayita Mukhopadhyay
- Department of Chemistry and Centre for Energy Science, Indian Institute of Science Education and Research, Pune, Dr. Homi Bhabha Road, Pune 411008, India
| | - Alagar Raja Kottaichamy
- Department of Chemistry and Centre for Energy Science, Indian Institute of Science Education and Research, Pune, Dr. Homi Bhabha Road, Pune 411008, India
| | - Pallavi Vyankuram Chame
- Department of Chemistry and Centre for Energy Science, Indian Institute of Science Education and Research, Pune, Dr. Homi Bhabha Road, Pune 411008, India
| | - Prasenjit Ghosh
- Department of Physics, Indian Institute of Science Education and Research, Pune, Pune 411008, India
| | | | | | - Sandeep C Kanade
- Department of Chemistry and Centre for Energy Science, Indian Institute of Science Education and Research, Pune, Dr. Homi Bhabha Road, Pune 411008, India
| | - Musthafa Ottakam Thotiyl
- Department of Chemistry and Centre for Energy Science, Indian Institute of Science Education and Research, Pune, Dr. Homi Bhabha Road, Pune 411008, India
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37
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Wang Y, Rong Y, Ma T, Li L, Li X, Zhu P, Zhou S, Yu J, Zhang Y. Photoelectrochemical sensors based on paper and their emerging applications in point-of-care testing. Biosens Bioelectron 2023; 236:115400. [PMID: 37271095 DOI: 10.1016/j.bios.2023.115400] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 05/01/2023] [Accepted: 05/14/2023] [Indexed: 06/06/2023]
Abstract
Point-of-care testing (POCT) technology is urgently required owing to the prevalence of the Internet of Things and portable electronics. In light of the attractive properties of low background and high sensitivity caused by the complete separation of excitation source and detection signal, the paper-based photoelectrochemical (PEC) sensors, featured with fast in analysis, disposable and environmental-friendly have become one of the most promising strategies in POCT. Therefore, in this review, the latest advances and principal issues in the design and fabrication of portable paper-based PEC sensors for POCT are systematically discussed. Primarily, the flexible electronic devices that can be constructed by paper and the reasons why they can be used in PEC sensors are expounded. Afterwards, the photosensitive materials involved in paper-based PEC sensor and the signal amplification strategies are emphatically introduced. Subsequently, the application of paper-based PEC sensors in medical diagnosis, environmental monitoring and food safety are further discussed. Finally, the main opportunities and challenges of paper-based PEC sensing platforms for POCT are briefly summarized. It provides a distinct perspective for researchers to construct paper-based PEC sensors with portable and cost-effective, hoping to enlighten the fast development of POCT soon after, as well as benefit human society.
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Affiliation(s)
- Yixiang Wang
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China
| | - Yumeng Rong
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China
| | - Tinglei Ma
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China
| | - Lin Li
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China
| | - Xu Li
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China
| | - Peihua Zhu
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China
| | - Shuang Zhou
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China.
| | - Jinghua Yu
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China.
| | - Yan Zhang
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China; Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Qingdao University of Science and Technology, Qingdao, 266042, China.
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38
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Organic macrocycle-polyoxometalate hybrids. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2023.215039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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39
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Li M, Xu J, Qi F, Wang Y, Yan C, Xu J. Facile preparation of tetrafluoro-substituted cobalt phthalocyanine nanorods attached on carbon nanotubes for efficient electrocatalytic CO2 reduction. J Solid State Electrochem 2023. [DOI: 10.1007/s10008-023-05480-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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40
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Liu Z, Wu M, Ma J. Cu-N 4 in copper phthalocyanine@CFC catalyst for ammonia oxidation reaction catalysis. Phys Chem Chem Phys 2023; 25:7859-7868. [PMID: 36857718 DOI: 10.1039/d2cp05589a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
The high oxidation overpotential in the ammonia oxidation reaction (AOR) is a key factor restricting the fields of ammonia fuel cells, hydrogen production by electrochemical decomposition of ammonia, and treatment of ammonia-containing wastewater. Copper-based catalysts have been considered hopeless for AOR; however, in this research, copper phthalocyanine (CuPc) catalysts grown on carbon fiber cloth (CFC), CuPc@CFC, were investigated firstly for AOR catalysis, and the unique Cu-N4 resulted in a peak potential of -0.29 V vs. Hg/HgO for AOR, which is superior to Pt/C. Density functional theory (DFT) calculations show that Cu-N4 is the reactive center of AOR, and the LUMO of CuPc is distributed on the Cu site, which is favorable to gain electrons from NH3 and thus adsorb NH3; in contrast, the HOMO of C10H10CuN8 is distributed on the Cu site, which tends to give electrons and is unfavorable to NH3 adsorption. However, copper azide pyridine (C10H10CuN8) was found in the samples after the AOR. Analysis of the comparison samples showed that changing the ethanol content has the effect of changing the grain size and inhibiting the generation of C10H10CuN8 after the AOR process, as well as slightly changing the Cu-N4, leading to the change of its Fermi energy level and d-orbital energy level center, thus providing new ideas for the future fabrication of catalysts in various fields of AOR.
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Affiliation(s)
- Ziyi Liu
- School of Materials Science and Engineering, North Minzu University, Yinchuan 750021, China.
| | - Mengxue Wu
- School of Materials Science and Engineering, North Minzu University, Yinchuan 750021, China.
| | - Jinfu Ma
- School of Materials Science and Engineering, North Minzu University, Yinchuan 750021, China. .,Research Center of Silicon Target and Silicon-Carbon Negative Material Engineering Technology, School of Materials Science and Engineering, North Minzu University, Yinchuan 750021, China
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41
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Maldonado T, Ferraudi G, Graham Lappin A, Oliver AG. Comparison of the photochemical properties of phthalocyanine and hemiporphyrazine Zn(II) complexes. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2023.114715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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42
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Shakouri S, Abouzari‐Lotf E, Chen J, Diemant T, Klyatskaya S, Pammer FD, Mizuno A, Fichtner M, Ruben M. Molecular Engineering of Metalloporphyrins for High-Performance Energy Storage: Central Metal Matters. CHEMSUSCHEM 2023; 16:e202202090. [PMID: 36445802 PMCID: PMC10107660 DOI: 10.1002/cssc.202202090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 11/24/2022] [Indexed: 06/16/2023]
Abstract
Porphyrin derivatives represent an emerging class of redox-active materials for sustainable electrochemical energy storage. However, their structure-performance relationship is poorly understood, which confines their rational design and thus limits access to their full potential. To gain such understanding, we here focus on the role of the metal ion within porphyrin molecules. The A2 B2 -type porphyrin 5,15-bis(ethynyl)-10,20-diphenylporphyrin and its first-row transition metal complexes from Co to Zn are used as models to investigate the relationships between structure and electrochemical performance. It turned out that the choice of central metal atom has a profound influence on the practical voltage window and discharge capacity. The results of DFT calculations suggest that the choice of central metal atom triggers the degree of planarity of the porphyrin. Single crystal diffraction studies illustrate the consequences on the intramolecular rearrangement and packing of metalloporphyrins. Besides the direct effect of the metal choice on the undesired solubility, efficient packing and crystallinity are found to dictate the rate capability and the ion diffusion along with the porosity. Such findings open up a vast space of compositions and morphologies to accelerate the practical application of resource-friendly cathode materials to satisfy the rapidly increasing need for efficient electrical energy storage.
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Affiliation(s)
- Shirin Shakouri
- Institute of NanotechnologyKarlsruhe Institute of TechnologyP.O. Box 364076021KarlsruheGermany
| | - Ebrahim Abouzari‐Lotf
- Institute of NanotechnologyKarlsruhe Institute of TechnologyP.O. Box 364076021KarlsruheGermany
- Helmholtz Institute Ulm (HIU) Electrochemical Energy StorageHelmholtzstraße 11Ulm89081Germany
| | - Jie Chen
- Helmholtz Institute Ulm (HIU) Electrochemical Energy StorageHelmholtzstraße 11Ulm89081Germany
| | - Thomas Diemant
- Helmholtz Institute Ulm (HIU) Electrochemical Energy StorageHelmholtzstraße 11Ulm89081Germany
| | - Svetlana Klyatskaya
- Institute of NanotechnologyKarlsruhe Institute of TechnologyP.O. Box 364076021KarlsruheGermany
| | - Frank Dieter Pammer
- Helmholtz Institute Ulm (HIU) Electrochemical Energy StorageHelmholtzstraße 11Ulm89081Germany
| | - Asato Mizuno
- Institute of NanotechnologyKarlsruhe Institute of TechnologyP.O. Box 364076021KarlsruheGermany
| | - Maximilian Fichtner
- Institute of NanotechnologyKarlsruhe Institute of TechnologyP.O. Box 364076021KarlsruheGermany
- Helmholtz Institute Ulm (HIU) Electrochemical Energy StorageHelmholtzstraße 11Ulm89081Germany
| | - Mario Ruben
- Institute of NanotechnologyKarlsruhe Institute of TechnologyP.O. Box 364076021KarlsruheGermany
- Institute for Quantum Materials and Technologies (IQMT)Karlsruhe Institute of TechnologyP.O. Box 364076021KarlsruheGermany
- Centre Européen de Science Quantique (CESQ)Institut de Science et d'Ingénierie Supramoléculaires (ISIS)Université de Strasbourg8, Allée Gaspard Monge67000StrasbourgFrance
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43
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Zhao J, Lyu H, Wang Z, Ma C, Jia S, Kong W, Shen B. Phthalocyanine and porphyrin catalysts for electrocatalytic reduction of carbon dioxide: progress in regulation strategies and applications. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
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44
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Yuan R, Wei Y, Musikavanhu B, Tang M, Xue Z, Wang A, Zhang J, Qiu X, Zhao L. Asymmetric cobalt porphyrins for oxygen reduction reactions: Boosted catalytic activity by the use of triphenylamine. MOLECULAR CATALYSIS 2023. [DOI: 10.1016/j.mcat.2022.112805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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45
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Wang X, Wang W, Wang T, Zhang Z, Liu X. Highly Conductive Hexaazatrinaphthylene-based Salphen Organic Frameworks with Atomically Dispersed Dual-Metal Sites for Efficient Electrochemical Oxygen Evolution. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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46
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Yu C, He JH, Lu JM. Ion-in-Conjugation: A Promising Concept for Multifunctional Organic Semiconductors. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2204023. [PMID: 36285771 DOI: 10.1002/smll.202204023] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 09/11/2022] [Indexed: 06/16/2023]
Abstract
Most organic semiconductors (OSCs) consist of conjugated skeletons with flexible peripheral chains. Their weak intermolecular interactions from dispersion and induction forces result in environmental susceptibilities and are unsuitable for many multifunctional applications where direct exposure to external environments is unavoidable, such as gas absorption, chemical sensing, and catalysis. To exploit the advantages of inorganic semiconductors in OSCs, ion-in-conjugation (IIC) materials are proposed. An IIC material refers to any conjugated material (molecules, polymers, and crystals) in Kekule's structural formula containing stoichiometric ionic states in its conjugated backbone in the electronic ground state. In this review, the definitions, structures, synthesis, properties, and applications of IIC materials are described briefly. Four types of IIC material, including zwitterionic conjugated molecules/polymers, conjugated ionic dyes, π-d conjugated molecules and polymers, and coordinatively doped polymers, are reported. Their applications in gas sensing, humidity sensing, resistive memory devices, and thermal/photo-/electro-catalysis are demonstrated. The challenges and opportunities for future research are also discussed. It is expected that this work will inspire the design of new organic electronic information materials.
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Affiliation(s)
- Chuang Yu
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Jing-Hui He
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Suzhou Nano Science and Technology, National United Engineering Laboratory of Functionalized Environmental Adsorption Materials, Soochow University, Suzhou, 215123, P. R. China
| | - Jian-Mei Lu
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Suzhou Nano Science and Technology, National United Engineering Laboratory of Functionalized Environmental Adsorption Materials, Soochow University, Suzhou, 215123, P. R. China
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47
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Yang Y, Wang XH, Wang J, Zhang JY, Chen W, Yang H, He P, Tang XQ, Yu JH. A New Nanoscale Ultrasound Phase-Variant Contrast Agent for Phase Variant Low-Frequency Medical Ultrasound Imaging That Can Scavenge Reactive Oxygen Species. J Biomed Nanotechnol 2022. [DOI: 10.1166/jbn.2022.3485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
Abstract
Nanoscale phase-variant ultrasound contrast agents have attracted the interest of many researchers. However, it is a challenge to design nanobubbles that are activated by low-frequency medical ultrasound that do not cause damage to normal tissues. In this study, we designed a new type
of nanoparticle consisting of perfluoropentane and iron polyphthalocyanine loaded into liposomes. These nanoparticles can be activated by a low-frequency medical ultrasound imager at a frequency of 5 MHz for ultrasound imaging and clear reactive oxygen species at a rate of more than 50%. This
ability to scavenge excess reactive oxygen species can alleviate the damage these species cause and protect macrophages. Moreover, these nanoparticles can effectively enhance ultrasound contrast imaging for real-time visualization in the diagnosis and treatment of diseases.
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Dong Z, Du F, Barkae TH, Ji K, Liu F, Snizhko D, Guan Y, Xu G. Luminol electrochemiluminescence by combining cathodic reduction and anodic oxidation at regenerable cobalt phthalocyanine modified carbon paste electrode for dopamine detection. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Yang YJ, Li SX, Chen DL, Long ZW. Geometric Structure, Electronic, and Spectral Properties of Metal-free Phthalocyanine under the External Electric Fields. ACS OMEGA 2022; 7:41266-41274. [PMID: 36406576 PMCID: PMC9670904 DOI: 10.1021/acsomega.2c04941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 10/20/2022] [Indexed: 06/16/2023]
Abstract
Here, the ground-state structures, electronic structures, polarizability, and spectral properties of metal-free phthalocyanine (H2Pc) under different external electric fields (EEFs) are investigated. The results show that EEF has an ultrastrong regulation effect on various aspects of H2Pc; the geometric structures, electronic properties, polarizability, and spectral properties are strongly sensitive to the EEF. In particular, an EEF of 0.025 a.u. is an important control point: an EEF of 0.025 a.u. will bend the benzene ring subunits to the positive and negative x directions of the planar molecule. Flipping the EEF from positive (0.025 a.u.) to negative (-0.025 a.u.) flips also the bending direction of benzene ring subunits. The H2Pc shows different dipole moments projecting an opposite direction along the x direction (-84 and 84 Debye for EEFs of -0.025 and 0.025 a.u., respectively) under negative and positive EEF, revealing a significant dipole moment transformation. Furthermore, when the EEF is removed, the molecule can be restored to the planar structure. The transformation of the H2Pc structure can be induced by the EEF, which has potential applications in the molecular devices such as molecular switches or molecular forceps. EEF lowers total energy and reduces highest occupied molecular orbital-lowest unoccupied molecular orbital (HOMO-LUMO) gap; especially, an EEF of 0.025 a.u. can reduce the HOMO-LUMO gap from 2.1 eV (in the absence of EEF) to 0.37 eV, and thus, it can enhance the molecular conductivity. The first hyperpolarizability of H2Pc is 0 in the absence of EEF; remarkably, an EEF of 0.025 a.u. can enhance the first hyperpolarizability up to 15,578 a.u. Therefore, H2Pc under the EEF could be introduced as a promising innovative nonlinear optical (NLO) nanomaterial such as NLO switches. The strong EEF (0.025 a.u.) causes a large number of new absorption peaks in IR and Raman spectra and causes the redshift of electronic absorption spectra. The changes of EEF can be used to regulate the structure transformation and properties of H2Pc, which can promote the application of H2Pc in nanometer fields such as molecular devices.
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Affiliation(s)
- Yue-Ju Yang
- School
of Physics and Electronic Science, Guizhou
Education University, Guiyang 550018, China
| | - Shi-Xiong Li
- School
of Physics and Electronic Science, Guizhou
Education University, Guiyang 550018, China
| | - De-Liang Chen
- School
of Physics and Electronic Science, Guizhou
Education University, Guiyang 550018, China
| | - Zheng-Wen Long
- College
of Physics, Guizhou University, Guiyang 550025, China
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50
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Jiao L, Guo L. Embedding Double Transition Metal Atoms in B-Modified Two-Dimensional Carbon-Rich Conjugated Frameworks for Efficient Ammonia Synthesis. Inorg Chem 2022; 61:18574-18589. [DOI: 10.1021/acs.inorgchem.2c02958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Lingxiao Jiao
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials, Ministry of Education, The School of Chemistry and Material Science, Shanxi Normal University, Taiyuan030000, China
| | - Ling Guo
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials, Ministry of Education, The School of Chemistry and Material Science, Shanxi Normal University, Taiyuan030000, China
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