Boosting photoelectrochemical activity of bismuth vanadate by implanting oxygen-vacancy-rich cobalt (oxy)hydroxide

• Published in: Journal of colloid and interface science Vol. 611; pp. 278 - 286
• Main Authors: Sun, Huanhuan, Hua, Wei, Liang, Shiyu, Li, Yueying, Wang, Jian-Gan
• Format: Journal Article
• Language: English
• Published: United States Elsevier Inc 01.04.2022
• Subjects: Bismuth vanadate; Cocatalyst; Oxygen vacancy; Photoelectrochemical water oxidation; Bismuth vanadate; Cocatalyst; Photoelectrochemical water oxidation; Oxygen vacancy

[Display omitted] •A self-transformation strategy is proposed to synthesize oxygen-vacancy-rich Co(O)OH cocatalyst.•The ultrathin Co(O)OH nanolayer facilitates charge transfer/separation and water oxidation kinetics.•The BiVO4/Co(O)OH hybrid photoanode exhibits a high photocurrent density of 4.2 mA ...