In situ synthesized In2O3/CuBi2O4 heterojunction photocathodes for efficient photoelectrochemical water splitting
文献类型： 外文期刊
作者： Guan, Hangmin 1 ; Guo, Rui 1 ; Chen, Xianliu 2 ; Wang, Yuanyuan 1 ; Zhang, Wenyan 1 ; Xiong, Sang 4 ; Feng, Jianyong 3 ; Hu, Yingfei 1 ;
作者机构： 1.Jinling Inst Technol, Sch Mat Engn, Nanjing 211169, Peoples R China
2.Chinese Acad Trop Agr Sci, Anal & Test Ctr, Haikou 571101, Peoples R China
3.Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Sch Phys, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
4.Nanjing Inst Technol, Sch Mat Sci & Engn, Nanjing 211167, Peoples R China
关键词： Heterojunction; Indium oxide; Hydrogen evolution
期刊名称：JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY （ 影响因子：4.3； 五年影响因子：3.8 ）
ISSN： 1010-6030
年卷期： 2023 年 444 卷
页码：
收录情况： SCI
摘要： As a promising material for solar water splitting, p-type CuBi2O4 semiconductor has attracted much attention due to its unique advantages. However, the photoelectrochemical (PEC) activity of the CuBi2O4 is far from satisfactory due to its less efficient carrier transport. In this study, a doped method is used to prepare a layer of indium oxide on the surface of CuBi2O4, that is, a new In2O3/CuBi2O4 heterojunction thin film is prepared. We compare the performance of pure CuBi2O4 and In2O3/CuBi2O4 through electrochemical testing and several physical characterizations. The final experimental results show that indium oxide can improve the PEC properties of CuBi2O4 by reducing the recombination of electrons and holes and improve the charge transport.
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