In situ integration of a cocatalyst and heterojunction to a WO3 photoanode with enhanced photoelectrochemical performance via phosphatization

被引：1
|
作者：
Zhan, Faqi [1 ,2 ]
Zhao, Haiyan [2 ]
Wen, Guochang [2 ]
Ma, Zhiqing [1 ]
Liu, Yisi [3 ]
Zhu, Min [2 ]
Zheng, Yuehong [2 ]
Chen, Dalin [1 ]
La, Peiqing [2 ]
机构：
[1] State Key Lab Nickel & Cobalt Resources Comprehens, Jinchang 737100, Peoples R China
[2] Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China
[3] Hubei Normal Univ, Inst Adv Mat, Huangshi 415000, Peoples R China
来源：
NEW JOURNAL OF CHEMISTRY | 2023年 / 47卷 / 04期
基金：
中国博士后科学基金;
关键词：
OXYGEN EVOLUTION;
D O I：
10.1039/d2nj04818c
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel ternary NiPx/NiWO4/WO3 photoanode with the cooperation effect of a heterojunction and cocatalyst was successfully fabricated by an in situ phosphatization process. The NiWO4 layer forms a heterojunction with WO3 to improve the separation and transfer of electron-hole pairs. NiPx acts as a cocatalyst for accelerating the surface water oxidation reaction. A 2.55-fold improvement in photocurrent density at 1.23 V vs. RHE was achieved compared with the pristine WO3 film.
引用
收藏
页码：1620 / 1624
页数：5
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