1
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Chen H, He C, Niu H, Xia C, Li FM, Zhao W, Song F, Yao T, Chen Y, Su Y, Guo W, Xia BY. Surface Redox Chemistry Regulates the Reaction Microenvironment for Efficient Hydrogen Peroxide Generation. J Am Chem Soc 2024; 146:15356-15365. [PMID: 38773696 DOI: 10.1021/jacs.4c03104] [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
Electrosynthesis has emerged as an enticing solution for hydrogen peroxide (H2O2) production. However, efficient H2O2 generation encounters challenges related to the robust gas-liquid-solid interface within electrochemical reactors. In this work, we introduce an effective hydrophobic coating modified by iron (Fe) sites to optimize the reaction microenvironment. This modification aims to mitigate radical corrosion through Fe(II)/Fe(III) redox chemistry, reinforcing the reaction microenvironment at the three-phase interface. Consequently, we achieved a remarkable yield of up to 336.1 mmol h-1 with sustained catalyst operation for an extensive duration of 230 h at 200 mA cm-2 without causing damage to the reaction interface. Additionally, the Faradaic efficiency of H2O2 exceeded 90% across a broad range of test current densities. This surface redox chemistry approach for manipulating the reaction microenvironment not only advances long-term H2O2 electrosynthesis but also holds promise for other gas-starvation electrochemical reactions.
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Affiliation(s)
- Hong Chen
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, State Key Laboratory of Materials Processing and Die & Mould Technology, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Rd, Wuhan 430074, China
| | - Chaohui He
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, State Key Laboratory of Materials Processing and Die & Mould Technology, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Rd, Wuhan 430074, China
| | - Huiting Niu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, State Key Laboratory of Materials Processing and Die & Mould Technology, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Rd, Wuhan 430074, China
| | - Chenfeng Xia
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, State Key Laboratory of Materials Processing and Die & Mould Technology, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Rd, Wuhan 430074, China
| | - Fu-Min Li
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, State Key Laboratory of Materials Processing and Die & Mould Technology, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Rd, Wuhan 430074, China
| | - Wenshan Zhao
- School of Chemistry, Engineering Research Center of Energy Storage Materials and Devices of Ministry of Education, National Innovation Platform (Center) for Industry-Education Integration of Energy Storage Technology, Xi'an Jiaotong University, Xi'an710049, China
| | - Fei Song
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai201204, China
| | - Tao Yao
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei230029, China
| | - Yu Chen
- Key Laboratory of Macromolecular Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), Shaanxi Key Laboratory for Advanced Energy Devices, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an710119, China
| | - Yaqiong Su
- School of Chemistry, Engineering Research Center of Energy Storage Materials and Devices of Ministry of Education, National Innovation Platform (Center) for Industry-Education Integration of Energy Storage Technology, Xi'an Jiaotong University, Xi'an710049, China
| | - Wei Guo
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, State Key Laboratory of Materials Processing and Die & Mould Technology, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Rd, Wuhan 430074, China
| | - Bao Yu Xia
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, State Key Laboratory of Materials Processing and Die & Mould Technology, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Rd, Wuhan 430074, China
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2
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Deng M, Wang D, Li Y. General Design Concept of High-Performance Single-Atom-Site Catalysts for H 2O 2 Electrosynthesis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2314340. [PMID: 38439595 DOI: 10.1002/adma.202314340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/25/2024] [Indexed: 03/06/2024]
Abstract
Hydrogen peroxide (H2O2) as a green oxidizing agent is widely used in various fields. Electrosynthesis of H2O2 has gradually become a hotspot due to its convenient and environment-friendly features. Single-atom-site catalysts (SASCs) with uniform active sites are the ideal catalysts for the in-depth study of the reaction mechanism and structure-performance relationship. In this review, the outstanding achievements of SASCs in the electrosynthesis of H2O2 through 2e- oxygen reduction reaction (ORR) and 2e- water oxygen reaction (WOR) in recent years, are summarized. First, the elementary steps of the two pathways and the roles of key intermediates (*OOH and *OH) in the reactions are systematically discussed. Next, the influence of the size effect, electronic structure regulation, the support/interfacial effect, the optimization of coordination microenvironments, and the SASCs-derived catalysts applied in 2e- ORR are systematically analyzed. Besides, the developments of SASCs in 2e- WOR are also overviewed. Finally, the research progress of H2O2 electrosynthesis on SASCs is concluded, and an outlook on the rational design of SASCs is presented in conjunction with the design strategies and characterization techniques.
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Affiliation(s)
- Mingyang Deng
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Dingsheng Wang
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Yadong Li
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
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3
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Pei Z, Li Y, Fan G, Guo Y, Luan D, Gu X, Lou XWD. Low-Coordinated Conductive ZnCu Metal-Organic Frameworks for Highly Selective H 2O 2 Electrosynthesis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2403808. [PMID: 38770988 DOI: 10.1002/smll.202403808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Indexed: 05/22/2024]
Abstract
Direct electrosynthesis of hydrogen peroxide (H2O2) with high production rate and high selectivity through the two-electron oxygen reduction reaction (2e-ORR) offers a sustainable alternative to the energy-intensive anthraquinone technology but remains a challenge. Herein, a low-coordinated, 2D conductive Zn/Cu metal-organic framework supported on hollow nanocube structures (ZnCu-MOF (H)) is rationally designed and synthesized. The as-prepared ZnCu-MOF (H) catalyst exhibits substantially boosted electrocatalytic kinetics, enhanced H2O2 selectivity, and ultra-high Faradaic efficiency for 2e-ORR process in both alkaline and neutral conditions. Electrochemical measurements, operando/quasi in situ spectroscopy, and theoretical calculation demonstrate that the introduction of Cu atoms with low-coordinated structures induces the transformation of active sites, resulting in the beneficial electron transfer and the optimized energy barrier, thereby improving the electrocatalytic activity and selectivity.
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Affiliation(s)
- Zhihao Pei
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
| | - Yunxiang Li
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong, Kowloon, 999077, China
| | - Guilan Fan
- School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, China
| | - Yan Guo
- School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, China
| | - Deyan Luan
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong, Kowloon, 999077, China
| | - Xiaojun Gu
- School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, China
| | - Xiong Wen David Lou
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong, Kowloon, 999077, China
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4
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Wang Z, Sun Z, Li K, Fan K, Tian T, Jiang H, Jin H, Li A, Tang Y, Sun Y, Wan P, Chen Y. Enhanced electrocatalytic performance for H 2O 2 generation by boron-doped porous carbon hollow spheres. iScience 2024; 27:109553. [PMID: 38623338 PMCID: PMC11016794 DOI: 10.1016/j.isci.2024.109553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 03/06/2024] [Accepted: 03/21/2024] [Indexed: 04/17/2024] Open
Abstract
Electrocatalytic generation of H2O2 via the 2-electron pathway of oxygen reduction reaction (2e-ORR) is an attractive technology compared to the anthraquinone process due to convenience and environmental friendliness. However, catalysts with excellent selectivity and high activity for 2e-ORR are necessary for practical applications. Reported here is a catalyst comprising boron-doped porous carbon hollow spheres (B-PCHSs) prepared using the hard template method coupled with borate transesterification. In an alkali electrolyte, the selectivity of B-PCHS for 2e-ORR above 90% in range of 0.4-0.7 VRHE and an onset potential of 0.833 V was obtained. Meanwhile, the generation rate of H2O2 reached 902.48 mmol h-1 gcat-1 at 0.4 VRHE under 59.13 mA cm-2 in batch electrolysis. The excellent catalytic selectivity of B-PCHS for 2e-ORR originates from the boron element, and the catalytic activity of B-PCHS for H2O2 generation is contributed to the morphology of porous hollow spheres, which facilitates mass transfer processes.
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Affiliation(s)
- Zhaohui Wang
- Institute of Applied Electrochemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Zehan Sun
- Institute of Applied Electrochemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P.R. China
- State Key Laboratory of Fine Chemicals, School of Chemistry, Dalian University of Technology, Dalian 116024, P.R. China
| | - Kun Li
- Institute of Applied Electrochemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Keyi Fan
- Institute of Applied Electrochemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Tian Tian
- Institute of Applied Electrochemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Haomin Jiang
- Center for Advanced Materials Research, College of Chemistry, Beijing Normal University, Zhuhai 519087, P.R. China
| | - Honglei Jin
- Institute of Applied Electrochemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Ang Li
- Institute of Applied Electrochemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Yang Tang
- Institute of Applied Electrochemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Yanzhi Sun
- Institute of Applied Electrochemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Pingyu Wan
- Institute of Applied Electrochemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Yongmei Chen
- Institute of Applied Electrochemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P.R. China
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5
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Qu W, Tang Z, Tang S, Zhong T, Zhao H, Tian S, Shu D, He C. Precisely constructing orbital coupling-modulated iron dinuclear site for enhanced catalytic ozonation performance. Proc Natl Acad Sci U S A 2024; 121:e2319119121. [PMID: 38588435 PMCID: PMC11032441 DOI: 10.1073/pnas.2319119121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 02/14/2024] [Indexed: 04/10/2024] Open
Abstract
The advancement of atomically precise dinuclear heterogeneous catalysts holds great potential in achieving efficient catalytic ozonation performance and contributes to the understanding of synergy mechanisms during reaction conditions. Herein, we demonstrate a "ship-in-a-bottle and pyrolysis" strategy that utilizes Fe2(CO)9 dinuclear-cluster to precisely construct Fe2 site, consisting of two Fe1-N3 units connected by Fe-Fe bonds and firmly bonded to N-doped carbon. Systematic characterizations and theoretical modeling reveal that the Fe-Fe coordination motif markedly reduced the devotion of the antibonding state in the Fe-O bond because of the strong orbital coupling interaction of dual Fe d-d orbitals. This facilitates O-O covalent bond cleavage of O3 and enhances binding strength with reaction intermediates (atomic oxygen species; *O and *OO), thus boosting catalytic ozonation performance. As a result, Fe dinuclear site catalyst exhibits 100% ozonation efficiency for CH3SH elimination, outperforming commercial MnO2 catalysts by 1,200-fold. This research provides insights into the atomic-level structure-activity relationship of ozonation catalysts and extends the use of dinuclear catalysts in catalytic ozonation and beyond.
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Affiliation(s)
- Wei Qu
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou510275, China
| | - Zhuoyun Tang
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou510275, China
| | - Su Tang
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou510275, China
| | - Tao Zhong
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou510275, China
| | - Huinan Zhao
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou510275, China
| | - Shuanghong Tian
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou510275, China
| | - Dong Shu
- School of Chemistry, South China Normal University, Guangzhou510006, China
| | - Chun He
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou510275, China
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6
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Wang L, Chen Y, Liu Y, Dai Q, Chen Z, Yang X, Luo Y, Li Z, Yang B, Zheng M, Lei L, Hou Y. Electron Redistribution of Ru Site on MoO 2@NiMoO 4 Support for Efficient Ampere-Level Current Density Electrolysis of Alkaline Seawater. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2311477. [PMID: 38554022 DOI: 10.1002/smll.202311477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Indexed: 04/01/2024]
Abstract
Seawater electrolysis is a promising but challenging strategy to generate carbon-neutral hydrogen. A grand challenge for hydrogen evolution reaction (HER) from alkaline seawater electrolysis is the development of efficient and stable electrocatalysts to overcome the limitation of sluggish kinetics. Here, a 3D nanorod hybrid catalyst is reported, which comprises heterostructure MoO2@NiMoO4 supported Ru nanoparticles (Ru/ MoO2@NiMoO4) with a size of ≈5 nm. Benefitting from the effect of strongly coupled interaction, Ru/MoO2@NiMoO4 catalyst exhibits a remarkable alkaline seawater hydrogen evolution performance, featured by a low overpotential of 184 mV at a current density of 1.0 A cm-2, superior to commercial Pt/C (338 mV). Experimental observations demonstrate that the heterostructure MoO2@NiMoO4 as an electron-accepting support makes the electron transfer from the Ru nanoparticles to MoO2, and thereby implements the electron redistribution of Ru site. Mechanistic analysis elucidates that the electron redistribution of active Ru site enhances the ability of hydrogen desorption, thereby promoting alkaline seawater HER kinetics and finally leading to a satisfactory catalysis performance at ampere-level current density of alkaline seawater electrolysis.
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Affiliation(s)
- Lin Wang
- School of Biological and Chemical Engineering, NingboTech University, Ningbo, 315100, China
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yue Chen
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yingnan Liu
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Qizhou Dai
- Institute of Environmental Biology and Catalysis, College of Environment, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Zhengfei Chen
- School of Biological and Chemical Engineering, NingboTech University, Ningbo, 315100, China
| | - Xiaoxuan Yang
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yansong Luo
- Institute of Thermal Science and Power Systems, School of Energy Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Zhongjian Li
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Bin Yang
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Menglian Zheng
- Institute of Environmental Biology and Catalysis, College of Environment, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Lecheng Lei
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yang Hou
- School of Biological and Chemical Engineering, NingboTech University, Ningbo, 315100, China
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
- Donghai Laboratory, Zhoushan, 316021, China
- Institute of Zhejiang University-Quzhou, Quzhou, 324000, China
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7
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Tian Q, Jing L, Du H, Yin Y, Cheng X, Xu J, Chen J, Liu Z, Wan J, Liu J, Yang J. Mesoporous carbon spheres with programmable interiors as efficient nanoreactors for H 2O 2 electrosynthesis. Nat Commun 2024; 15:983. [PMID: 38302469 PMCID: PMC10834542 DOI: 10.1038/s41467-024-45243-w] [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: 08/23/2023] [Accepted: 01/16/2024] [Indexed: 02/03/2024] Open
Abstract
The nanoreactor holds great promise as it emulates the natural processes of living organisms to facilitate chemical reactions, offering immense potential in catalytic energy conversion owing to its unique structural functionality. Here, we propose the utilization of precisely engineered carbon spheres as building blocks, integrating micromechanics and controllable synthesis to explore their catalytic functionalities in two-electron oxygen reduction reactions. After conducting rigorous experiments and simulations, we present compelling evidence for the enhanced mass transfer and microenvironment modulation effects offered by these mesoporous hollow carbon spheres, particularly when possessing a suitably sized hollow architecture. Impressively, the pivotal achievement lies in the successful screening of a potent, selective, and durable two-electron oxygen reduction reaction catalyst for the direct synthesis of medical-grade hydrogen peroxide disinfectant. Serving as an exemplary demonstration of nanoreactor engineering in catalyst screening, this work highlights the immense potential of various well-designed carbon-based nanoreactors in extensive applications.
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Affiliation(s)
- Qiang Tian
- Shenzhen Key Laboratory of Energy Electrocatalytic Materials, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, China
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, China
| | - Lingyan Jing
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, China.
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China.
| | - Hongnan Du
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Yunchao Yin
- Shenzhen Key Laboratory of Energy Electrocatalytic Materials, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, China
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, China
| | - Xiaolei Cheng
- Shenzhen Key Laboratory of Energy Electrocatalytic Materials, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, China
| | - Jiaxin Xu
- Shenzhen Key Laboratory of Energy Electrocatalytic Materials, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, China
| | - Junyu Chen
- Shenzhen Key Laboratory of Energy Electrocatalytic Materials, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, China
| | - Zhuoxin Liu
- Shenzhen Key Laboratory of Energy Electrocatalytic Materials, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, China
| | - Jiayu Wan
- Global Institute of Future Technology, Shanghai Jiaotong University, Shanghai, China
| | - Jian Liu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Jinlong Yang
- Shenzhen Key Laboratory of Energy Electrocatalytic Materials, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, China.
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8
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Shi L, Zhang Q, Yang S, Ren P, Wu Y, Liu S. Optimizing the Activation Energy of Reactive Intermediates on Single-Atom Electrocatalysts: Challenges and Opportunities. SMALL METHODS 2024:e2301219. [PMID: 38180156 DOI: 10.1002/smtd.202301219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 12/18/2023] [Indexed: 01/06/2024]
Abstract
Single-atom catalysts (SACs) have made great progress in recent years as potential catalysts for energy conversion and storage due to their unique properties, including maximum metal atoms utilization, high-quality activity, unique defined active sites, and sustained stability. Such advantages of single-atom catalysts significantly broaden their applications in various energy-conversion reactions. Given the extensive utilization of single-atom catalysts, methods and specific examples for improving the performance of single-atom catalysts in different reaction systems based on the Sabatier principle are highlighted and reactant binding energy volcano relationship curves are derived in non-homogeneous catalytic systems. The challenges and opportunities for single-atom catalysts in different reaction systems to improve their performance are also focused upon, including metal selection, coordination environments, and interaction with carriers. Finally, it is expected that this work may provide guidance for the design of high-performance single-atom catalysts in different reaction systems and thereby accelerate the rapid development of the targeted reaction.
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Affiliation(s)
- Lei Shi
- Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150001, P. R. China
| | - Qihan Zhang
- School of Medicine and Health, Harbin Institute of Technology, Harbin, 150001, China
| | - Shucheng Yang
- Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150001, P. R. China
| | - Peidong Ren
- Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150001, P. R. China
| | - Yingjie Wu
- School of Medicine and Health, Harbin Institute of Technology, Harbin, 150001, China
| | - Song Liu
- Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150001, P. R. China
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9
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Martínez-Fernández M, Martínez-Periñán E, de la Peña Ruigómez A, Cabrera-Trujillo JJ, Navarro JAR, Aguilar-Galindo F, Rodríguez-San-Miguel D, Ramos M, Vismara R, Zamora F, Lorenzo E, Segura JL. Scalable Synthesis and Electrocatalytic Performance of Highly Fluorinated Covalent Organic Frameworks for Oxygen Reduction. Angew Chem Int Ed Engl 2023; 62:e202313940. [PMID: 37845181 DOI: 10.1002/anie.202313940] [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: 09/18/2023] [Revised: 10/11/2023] [Accepted: 10/16/2023] [Indexed: 10/18/2023]
Abstract
In this study, we present a novel approach for the synthesis of covalent organic frameworks (COFs) that overcomes the common limitations of non-scalable solvothermal procedures. Our method allows for the room-temperature and scalable synthesis of a highly fluorinated DFTAPB-TFTA-COF, which exhibits intrinsic hydrophobicity. We used DFT-based calculations to elucidate the role of the fluorine atoms in enhancing the crystallinity of the material through corrugation effects, resulting in maximized interlayer interactions, as disclosed both from PXRD structural resolution and theoretical simulations. We further investigated the electrocatalytic properties of this material towards the oxygen reduction reaction (ORR). Our results show that the fluorinated COF produces hydrogen peroxide selectively with low overpotential (0.062 V) and high turnover frequency (0.0757 s-1 ) without the addition of any conductive additives. These values are among the best reported for non-pyrolyzed and metal-free electrocatalysts. Finally, we employed DFT-based calculations to analyse the reaction mechanism, highlighting the crucial role of the fluorine atom in the active site assembly. Our findings shed light on the potential of fluorinated COFs as promising electrocatalysts for the ORR, as well as their potential applications in other fields.
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Affiliation(s)
- Marcos Martínez-Fernández
- Facultad de CC. Químicas, Universidad Complutense de Madrid, Avenida Complutense s/n, 28040, Madrid, Spain
- Departamento de Inorgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, Campus de Cantoblanco-Crta. Colmenar, 28049, Madrid, Spain
| | - Emiliano Martínez-Periñán
- Departamento de Química Analítica y Análisis Instrumental, Facultad de Ciencias, Universidad Autónoma de Madrid, Campus de Cantoblanco-Crta. Colmenar, 28049, Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid Campus de Cantoblanco, 28049, Madrid, Spain
| | - Alejandro de la Peña Ruigómez
- Facultad de CC. Químicas, Universidad Complutense de Madrid, Avenida Complutense s/n, 28040, Madrid, Spain
- Chemical and Environmental Technology Department, Univ. Rey Juan Carlos, Móstoles, 28933, Madrid, Spain
| | - Jorge J Cabrera-Trujillo
- CNRS/Université de Pau et des Pays de l'Adour E2S-UPPA, IPREM UMR 5254, 64053, Pau Cedex 09, France
| | - Jorge A R Navarro
- Departamento de Química Inorgánica, Universidad de Granada, Av. Fuentenueva S/N, 18071, Granada, Spain
| | - Fernando Aguilar-Galindo
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid Campus de Cantoblanco, 28049, Madrid, Spain
- Departamento de Química, Universidad Autónoma de Madrid, Campus de Cantoblanco-Crta. Colmenar, 28049, Madrid, Spain
| | - David Rodríguez-San-Miguel
- Departamento de Inorgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, Campus de Cantoblanco-Crta. Colmenar, 28049, Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid Campus de Cantoblanco, 28049, Madrid, Spain
| | - Mar Ramos
- Chemical and Environmental Technology Department, Univ. Rey Juan Carlos, Móstoles, 28933, Madrid, Spain
| | - Rebecca Vismara
- Departamento de Química Inorgánica, Universidad de Granada, Av. Fuentenueva S/N, 18071, Granada, Spain
| | - Félix Zamora
- Departamento de Inorgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, Campus de Cantoblanco-Crta. Colmenar, 28049, Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid Campus de Cantoblanco, 28049, Madrid, Spain
- Condensed Matter Physics Center (IFIMAC), Universidad Autónoma de Madrid Campus de Cantoblanco, 28049, Madrid, Spain
| | - Encarnación Lorenzo
- Departamento de Química Analítica y Análisis Instrumental, Facultad de Ciencias, Universidad Autónoma de Madrid, Campus de Cantoblanco-Crta. Colmenar, 28049, Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid Campus de Cantoblanco, 28049, Madrid, Spain
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA-Nanociencia), Cantoblanco, 28049, Madrid, Spain
| | - José L Segura
- Facultad de CC. Químicas, Universidad Complutense de Madrid, Avenida Complutense s/n, 28040, Madrid, Spain
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10
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Li Y, Guo Y, Luan D, Gu X, Lou XWD. An Unlocked Two-Dimensional Conductive Zn-MOF on Polymeric Carbon Nitride for Photocatalytic H 2 O 2 Production. Angew Chem Int Ed Engl 2023; 62:e202310847. [PMID: 37698180 DOI: 10.1002/anie.202310847] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 09/09/2023] [Accepted: 09/12/2023] [Indexed: 09/13/2023]
Abstract
Developing highly efficient catalytic sites for O2 reduction to H2 O2 , while ensuring the fast injection of energetic electrons into these sites, is crucial for artificial H2 O2 photosynthesis but remains challenging. Herein, we report a strongly coupled hybrid photocatalyst comprising polymeric carbon nitride (CN) and a two-dimensional conductive Zn-containing metal-organic framework (Zn-MOF) (denoted as CN/Zn-MOF(lc)/400; lc, low crystallinity; 400, annealing temperature in °C), in which the catalytic capability of Zn-MOF(lc) for H2 O2 production is unlocked by the annealing-induced effects. As revealed by experimental and theoretical calculation results, the Zn sites coordinated to four O (Zn-O4 ) in Zn-MOF(lc) are thermally activated to a relatively electron-rich state due to the annealing-induced local structure shrinkage, which favors the formation of a key *OOH intermediate of 2e- O2 reduction on these sites. Moreover, the annealing treatment facilitates the photoelectron migration from the CN photocatalyst to the Zn-MOF(lc) catalytic unit. As a result, the optimized catalyst exhibits dramatically enhanced H2 O2 production activity and excellent stability under visible light irradiation.
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Affiliation(s)
- Yunxiang Li
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
| | - Yan Guo
- School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, China
| | - Deyan Luan
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, 999077, Hong Kong, China
| | - Xiaojun Gu
- School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, China
| | - Xiong Wen David Lou
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, 999077, Hong Kong, China
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11
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Wang X, Lu W, Zhang S, Guo C, Yang K, Sun Y, Shao Y, Li Q, Bu M, Wu L, Wang B, Yang D. The Use of Iron-Doped Anatase TiO 2 Nanofibers for Enhanced Photocatalytic Fenton-like Reaction to Degrade Tylosin. Molecules 2023; 28:6977. [PMID: 37836818 PMCID: PMC10574164 DOI: 10.3390/molecules28196977] [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: 09/07/2023] [Revised: 10/01/2023] [Accepted: 10/04/2023] [Indexed: 10/15/2023] Open
Abstract
The removal of antibiotics from wastewater to prevent their environmental accumulation is significant for human health and ecosystems. Herein, iron (Fe)-atom-doped anatase TiO2 nanofibers (Fe-TNs) were manufactured for the photocatalytic Fenton-like decomposition of tylosin (TYL) under LED illumination. Compared with the pristine TiO2 nanofibers (TNs), the optimized Fe-TNs exhibited improved visible-light-driven photocatalytic Fenton-like activity with a TYL degradation efficiency of 98.5% within 4 h. The effective TYL degradation could be attributed to the expanded optical light absorption and accelerated separation and migration of photogenerated electrons and holes after the introduction of Fe. The photogenerated electrons were highly conducive to the generation of active SO4•- radicals as they facilitated Fe(III)/Fe(II) cycles, and to oxidizing TYL. Moreover, the holes could be involved in TYL degradation. Thus, a significant enhancement in TYL degradation could be achieved. This research verifies the use of iron-doped anatase nanofibers as an effective method to synthesize novel photocatalytic Fenton-like catalysts through surface engineering for wastewater remediation.
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Affiliation(s)
- Xiao Wang
- State Key Laboratory of Marine Coatings, Qingdao 266071, China; (S.Z.); (L.W.)
- Marine Chemical Research Institute Co., Ltd., Qingdao 266071, China
- School of Environmental Science and Engineering, Qingdao University, Qingdao 266071, China;
| | - Wei Lu
- State Key Laboratory of Marine Coatings, Qingdao 266071, China; (S.Z.); (L.W.)
- Marine Chemical Research Institute Co., Ltd., Qingdao 266071, China
| | - Shangui Zhang
- State Key Laboratory of Marine Coatings, Qingdao 266071, China; (S.Z.); (L.W.)
- Marine Chemical Research Institute Co., Ltd., Qingdao 266071, China
| | - Changqing Guo
- State Key Laboratory of Marine Coatings, Qingdao 266071, China; (S.Z.); (L.W.)
- Marine Chemical Research Institute Co., Ltd., Qingdao 266071, China
| | - Kai Yang
- State Key Laboratory of Marine Coatings, Qingdao 266071, China; (S.Z.); (L.W.)
- Marine Chemical Research Institute Co., Ltd., Qingdao 266071, China
| | - Yan Sun
- State Key Laboratory of Marine Coatings, Qingdao 266071, China; (S.Z.); (L.W.)
- Marine Chemical Research Institute Co., Ltd., Qingdao 266071, China
| | - Yashi Shao
- State Key Laboratory of Marine Coatings, Qingdao 266071, China; (S.Z.); (L.W.)
- Marine Chemical Research Institute Co., Ltd., Qingdao 266071, China
| | - Qiyuan Li
- State Key Laboratory of Marine Coatings, Qingdao 266071, China; (S.Z.); (L.W.)
- Marine Chemical Research Institute Co., Ltd., Qingdao 266071, China
| | - Mingsheng Bu
- State Key Laboratory of Marine Coatings, Qingdao 266071, China; (S.Z.); (L.W.)
- Marine Chemical Research Institute Co., Ltd., Qingdao 266071, China
| | - Lianfeng Wu
- State Key Laboratory of Marine Coatings, Qingdao 266071, China; (S.Z.); (L.W.)
- Marine Chemical Research Institute Co., Ltd., Qingdao 266071, China
| | - Bo Wang
- State Key Laboratory of Marine Coatings, Qingdao 266071, China; (S.Z.); (L.W.)
- Marine Chemical Research Institute Co., Ltd., Qingdao 266071, China
| | - Dongjiang Yang
- School of Environmental Science and Engineering, Qingdao University, Qingdao 266071, China;
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