Neighbouring Synergy in High-Density Single Ir Atoms on CoGaOOH for Efficient Alkaline Electrocatalytic Oxygen Evolution
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Inside Back Cover: Neighbouring Synergy in High-Density Single Ir Atoms on CoGaOOH for Efficient Alkaline Electrocatalytic Oxygen Evolution (Angew. Chem. Int. Ed. 32/2024)
- Peiyu Ma,
- Heng Cao,
- Qi Hao,
- Ruyang Wang,
- Wanting Liu,
- Ming Zuo,
- Chuanyi Jia,
- Zhirong Zhang,
- Jun Bao,
- Volume 63Issue 32Angewandte Chemie International Edition
- First Published online: July 11, 2024
Dr. Peiyu Ma
National Synchrotron Radiation Laboratory, Key Laboratory of Precision and Intelligent Chemistry, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), University of Science and Technology of China, Hefei, Anhui, 230026 P. R. China
These authors contributed equally to this work.
Search for more papers by this authorDr. Heng Cao
National Synchrotron Radiation Laboratory, Key Laboratory of Precision and Intelligent Chemistry, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), University of Science and Technology of China, Hefei, Anhui, 230026 P. R. China
These authors contributed equally to this work.
Search for more papers by this authorQi Hao
School of Engineering, Westlake University, Hangzhou, Zhejiang, 310030 P. R. China
Search for more papers by this authorRuyang Wang
National Synchrotron Radiation Laboratory, Key Laboratory of Precision and Intelligent Chemistry, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), University of Science and Technology of China, Hefei, Anhui, 230026 P. R. China
Search for more papers by this authorWanting Liu
Hefei National Research Center for Physical Sciences at the Microscale, Key Laboratory of Strongly-Coupled Quantum Matter Physics of Chinese Academy of Sciences, Key Laboratory of Surface and Interface Chemistry, Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui, 230026 P. R. China
Search for more papers by this authorMing Zuo
Hefei National Research Center for Physical Sciences at the Microscale, Key Laboratory of Strongly-Coupled Quantum Matter Physics of Chinese Academy of Sciences, Key Laboratory of Surface and Interface Chemistry, Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui, 230026 P. R. China
Search for more papers by this authorCorresponding Author
Dr. Chuanyi Jia
Guizhou Provincial Key Laboratory of Computational Nano-Material Science, Institute of Applied Physics, Guizhou Education University, Guiyang, Guizhou, 550018 P. R. China
Search for more papers by this authorCorresponding Author
Dr. Zhirong Zhang
Hefei National Research Center for Physical Sciences at the Microscale, Key Laboratory of Strongly-Coupled Quantum Matter Physics of Chinese Academy of Sciences, Key Laboratory of Surface and Interface Chemistry, Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui, 230026 P. R. China
Search for more papers by this authorCorresponding Author
Prof. Dr. Jun Bao
National Synchrotron Radiation Laboratory, Key Laboratory of Precision and Intelligent Chemistry, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), University of Science and Technology of China, Hefei, Anhui, 230026 P. R. China
Search for more papers by this authorDr. Peiyu Ma
National Synchrotron Radiation Laboratory, Key Laboratory of Precision and Intelligent Chemistry, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), University of Science and Technology of China, Hefei, Anhui, 230026 P. R. China
These authors contributed equally to this work.
Search for more papers by this authorDr. Heng Cao
National Synchrotron Radiation Laboratory, Key Laboratory of Precision and Intelligent Chemistry, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), University of Science and Technology of China, Hefei, Anhui, 230026 P. R. China
These authors contributed equally to this work.
Search for more papers by this authorQi Hao
School of Engineering, Westlake University, Hangzhou, Zhejiang, 310030 P. R. China
Search for more papers by this authorRuyang Wang
National Synchrotron Radiation Laboratory, Key Laboratory of Precision and Intelligent Chemistry, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), University of Science and Technology of China, Hefei, Anhui, 230026 P. R. China
Search for more papers by this authorWanting Liu
Hefei National Research Center for Physical Sciences at the Microscale, Key Laboratory of Strongly-Coupled Quantum Matter Physics of Chinese Academy of Sciences, Key Laboratory of Surface and Interface Chemistry, Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui, 230026 P. R. China
Search for more papers by this authorMing Zuo
Hefei National Research Center for Physical Sciences at the Microscale, Key Laboratory of Strongly-Coupled Quantum Matter Physics of Chinese Academy of Sciences, Key Laboratory of Surface and Interface Chemistry, Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui, 230026 P. R. China
Search for more papers by this authorCorresponding Author
Dr. Chuanyi Jia
Guizhou Provincial Key Laboratory of Computational Nano-Material Science, Institute of Applied Physics, Guizhou Education University, Guiyang, Guizhou, 550018 P. R. China
Search for more papers by this authorCorresponding Author
Dr. Zhirong Zhang
Hefei National Research Center for Physical Sciences at the Microscale, Key Laboratory of Strongly-Coupled Quantum Matter Physics of Chinese Academy of Sciences, Key Laboratory of Surface and Interface Chemistry, Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui, 230026 P. R. China
Search for more papers by this authorCorresponding Author
Prof. Dr. Jun Bao
National Synchrotron Radiation Laboratory, Key Laboratory of Precision and Intelligent Chemistry, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), University of Science and Technology of China, Hefei, Anhui, 230026 P. R. China
Search for more papers by this authorGraphical Abstract
The catalytic performance of single-atom catalysts was strictly limited by isolated single-atom sites. Fabricating high-density single atoms to realize the synergetic interaction in neighbouring single atoms exhibited great potential to break performance limitations. Herein, we revealed that the synergetic interaction in neighbouring Ir single atoms contributes to enhanced performance for oxygen evolution relative to isolated Ir single atoms.
Abstract
The catalytic performance of single-atom catalysts was strictly limited by isolated single-atom sites. Fabricating high-density single atoms to realize the synergetic interaction in neighbouring single atoms could optimize the adsorption behaviors of reaction intermediates, which exhibited great potential to break performance limitations and deepen mechanistic understanding of electrocatalysis. However, the catalytic behavior governed by neighbouring single atoms is particularly elusive and has yet to be understood. Herein, we revealed that the synergetic interaction in neighbouring single atoms contributes to superior performance for oxygen evolution relative to isolated Ir single atoms. Neighbouring single atoms was achieved by fabricating high-density single atoms to narrow the distance between single atoms. Electrochemical measurements demonstrated that the Nei-Ir1/CoGaOOH with neighbouring Ir single atoms exhibited a low overpotential of 170 mV at a current density of 10 mA cm−2, and long-durable stability over 2000 h for oxygen evolution. Mechanistic studies revealed that neighbouring single atoms synergetic stabilized the *OOH intermediates via extra hydrogen bonding interactions, thus significantly reducing the reaction energy barriers, as compared to isolated Ir single atoms. The discovery of the synergetic interaction in neighbouring single atoms could offer guidance for the development of efficient electrocatalysts, thus accelerating the world‘s transition to sustainable energy.
Conflict of interests
The authors declare no competing interests.
Open Research
Data Availability Statement
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