BiVO4/Rh-Ci/HCO3- hetero-/homogeneous dual co-catalyst-decorated photoanode system for photoelectrochemical water oxidation

被引：1
|
作者：
Mehmood, Adeel [1 ]
Chae, Sang Youn [1 ,2 ]
Park, Eun Duck [1 ,3 ]
机构：
[1] Ajou Univ, Dept Energy Syst Res, Suwon 16499, South Korea
[2] Ajou Univ, Inst NT IT Fus Technol, Suwon 16499, South Korea
[3] Ajou Univ, Dept Chem Engn, Suwon 16499, South Korea
来源：
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2023年 / 436卷
基金：
新加坡国家研究基金会;
关键词：
BiVO4; Rhodium; Bicarbonate; OER; Photoelectrochemical cell; VISIBLE-LIGHT; BIVO4; PHOTOELECTRODES; HYDROGEN-PEROXIDE; CARBONATE IONS; LIQUID WATER; OXYGEN; EFFICIENT; EVOLUTION; PHOSPHATE; PHOTOOXIDATION;
D O I：
10.1016/j.jphotochem.2022.114414
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Bismuth vanadate is one of the most efficient photoanode materials for solar water-splitting. However, its per-formance is limited by two main factors: poor charge separation and slow water oxidation kinetics. Herein, Rh-(C)i/HCO(3)(-)hetero-/homogenous dual co-catalysts were introduced on the BiVO4 surface to improve the water oxidation performance. This Rh-C-i/HCO3- dual co-catalyst system improved the water oxidation activity of BiVO4 by enhancing the charge injection efficiency and stabilizing the photoelectrochemical water oxidation kinetics. BiVO4 decorated with Rh-C-i/HCO3- exhibited a higher photocurrent (2.011 mA.cm(-2)) at 1.23 VRHE than bare BiVO4 (1.217 mA.cm(-2)).
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页数：11
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