Ultrathin CuBi2O4 on a bipolar Bi2O3 nano-scaffold: a self-powered broadband photoelectrochemical photodetector with improved responsivity and response speed

Author:

Dong Boheng12ORCID,Zhang Xinya1ORCID,Cheng Hui2ORCID,Jiang Xiang1,Wang Fuxian12ORCID

Affiliation:

1. School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China

2. Guangdong Provincial Key Laboratory of Chemical Measurement and Emergency Test Technology, Institute of Analysis, Guangdong Academy of Sciences (China National Analytical Center, Guangzhou), Guangzhou, Guangdong, 510070, China

Abstract

Bi2O3 nano-scaffold supported ultrathin CuBi2O4 exhibits improved light absorption and charge separation, enabling self-powered photodetection of broadband light with high responsivity (75 mA W−1) and response speed (0.18/0.19 ms).

Funder

Natural Science Foundation of Guangdong Province

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science

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