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Article Navigation >  Chinese Journal of Chemical Physics  > 2018  >  31(5): 691-694

Zhen-hong Xiao, Dao-chuan Jiang, Han Xu, Jing-tian Zhou, Qi-zhong Zhang, Ping-wu Du, Zhen-lin Luo, Chen Gao. UV Laser Regulation of Surface Oxygen Vacancy of CoFe2O4 for Enhanced Oxygen Evolution Reaction[J]. Chinese Journal of Chemical Physics , 2018, 31(5): 691-694. doi: 10.1063/1674-0068/31/cjcp1804058
Citation: Zhen-hong Xiao, Dao-chuan Jiang, Han Xu, Jing-tian Zhou, Qi-zhong Zhang, Ping-wu Du, Zhen-lin Luo, Chen Gao. UV Laser Regulation of Surface Oxygen Vacancy of CoFe2O4 for Enhanced Oxygen Evolution Reaction[J]. Chinese Journal of Chemical Physics , 2018, 31(5): 691-694. doi: 10.1063/1674-0068/31/cjcp1804058
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UV Laser Regulation of Surface Oxygen Vacancy of CoFe2O4 for Enhanced Oxygen Evolution Reaction

doi: 10.1063/1674-0068/31/cjcp1804058
  • 1.

    National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026, China;CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China

  • 2.

    CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China

Funds:  This work was supported by the National Key Basic Research Program of China (2016YFA0300102), the National Natural Science Foundation of China (No.11675179, No.U1532142, and No.11434009) and the Fundamental Research Funds for the Central Universities. This work was partially carried out at the USTC center for Micro and Nanoscale Research and Fabrication. We thank the support from the magnetic circular dichroism endstation at Hefei light source.
  • Received Date: 2018-04-03
  • Oxygen evolution reaction is one of the key processes in the promising renewable energy technique of electrocatalytic water splitting. Developing high effcient oxygen evolution reaction (OER) catalysts requires determination of the optimal values of the descriptor parameters. Using spinel CoFe2O4 as the model catalyst, this work demonstrates that irradiation with pulsed UV laser can control the quantity of surface oxygen vacancy and thus modify the OER activity, in a volcano-shape evolution trend. This strategy sheds light on quantita-tively investigation of the relationship between surface cation valence, anion vacancy, and physicochemical properties of transition-metal-based compounds.
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UV Laser Regulation of Surface Oxygen Vacancy of CoFe2O4 for Enhanced Oxygen Evolution Reaction

doi: 10.1063/1674-0068/31/cjcp1804058
  • 1. National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026, China;CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China
  • 2. CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China
Funds:  This work was supported by the National Key Basic Research Program of China (2016YFA0300102), the National Natural Science Foundation of China (No.11675179, No.U1532142, and No.11434009) and the Fundamental Research Funds for the Central Universities. This work was partially carried out at the USTC center for Micro and Nanoscale Research and Fabrication. We thank the support from the magnetic circular dichroism endstation at Hefei light source.
  • Received Date: 2018-04-03

Abstract: Oxygen evolution reaction is one of the key processes in the promising renewable energy technique of electrocatalytic water splitting. Developing high effcient oxygen evolution reaction (OER) catalysts requires determination of the optimal values of the descriptor parameters. Using spinel CoFe2O4 as the model catalyst, this work demonstrates that irradiation with pulsed UV laser can control the quantity of surface oxygen vacancy and thus modify the OER activity, in a volcano-shape evolution trend. This strategy sheds light on quantita-tively investigation of the relationship between surface cation valence, anion vacancy, and physicochemical properties of transition-metal-based compounds.

Zhen-hong Xiao, Dao-chuan Jiang, Han Xu, Jing-tian Zhou, Qi-zhong Zhang, Ping-wu Du, Zhen-lin Luo, Chen Gao. UV Laser Regulation of Surface Oxygen Vacancy of CoFe2O4 for Enhanced Oxygen Evolution Reaction[J]. Chinese Journal of Chemical Physics , 2018, 31(5): 691-694. doi: 10.1063/1674-0068/31/cjcp1804058
Citation: Zhen-hong Xiao, Dao-chuan Jiang, Han Xu, Jing-tian Zhou, Qi-zhong Zhang, Ping-wu Du, Zhen-lin Luo, Chen Gao. UV Laser Regulation of Surface Oxygen Vacancy of CoFe2O4 for Enhanced Oxygen Evolution Reaction[J]. Chinese Journal of Chemical Physics , 2018, 31(5): 691-694. doi: 10.1063/1674-0068/31/cjcp1804058
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