Construction of PANI/Sb2S3 p-n Junction Photoanode for Enhancing Photoelectrochemical Water Oxidation

被引：9
作者：
Liang, Yanqing [1 ]
Wang, Jun [1 ]
Liu, Fangyang [1 ]
Jia, Ming [1 ]
Jiang, Liangxing [1 ]
机构：
[1] Cent South Univ, Sch Met & Environm, Changsha 410083, Hunan, Peoples R China
来源：
JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2021年 / 168卷 / 06期
关键词：
THIN-FILM; HYDROTHERMAL SYNTHESIS; DEPOSITION; RANGE; TIO2;
D O I：
10.1149/1945-7111/ac064a
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Antimony sulfide (Sb2S3) is an emerging photovoltaic material that comprises earth-abundant, non-toxic constituents and has a high absorption coefficient (>10(4) cm(-1)). Nevertheless, the serious bulk recombination phenomenon and the slow electrochemical reaction kinetics on the surface of Sb2S3 electrode restrict its application in the photoelectrochemical (PEC) water splitting. Herein, we have designed a polyaniline (PANI)/Sb2S3 p-n junction photoanode successfully to address these issues. With the modification of in-situ anchored PANI, the composite electrode exhibits enhanced light-absorption and accelerated charge transfer efficiency. As a result, the photocurrent density of optimized PANI/Sb2S3 photoanode is about twice of pristine Sb2S3, being a promising material for PEC water splitting.
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页数：6
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