A study of photocatalytic, chemical, and electrocatalytic water oxidation on ACo2O4 (A = Ni, Cu, Zn) samples through doping different metal ions
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- 作者：Yukun Zhaoa ; Xichen Zhoua ; Yong Dinga ; b ; dingyong1@lzu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Jingwei Huanga ; Min Zhenga ; Weichun Yea
- 关键词：ACo2O4 samples ; Water oxidation ; Catalytic activity order ; Doping ; Charge and electron transport
- 刊名：Journal of Catalysis
- 出版年：2016
- 出版时间：June 2016
- 年：2016
- 卷：338
- 期：Complete
- 页码：30-37
- 全文大小：1959 K
文摘
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The catalytic activity of ACo2O4 samples follows the catalytic activity order NiCo2O4 > CuCo2O4 > ZnCo2O4.
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The catalytic activity was investigated under photochemical, chemical, and electrochemical conditions.
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The oxidation peak of the NiCo2O4 sample was detected, which may be assigned to oxidation from Ni2+ to Ni3+.
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For the activity order, the doping metal ions of ACo2O4 oxides take part in the reaction.
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Different charge and electron transport rates lead to different catalytic activity.