期刊
RSC ADVANCES
卷 4, 期 41, 页码 21318-21324出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra01139b
关键词
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资金
- National Natural Science Foundation of China [51172142]
- Shanghai Municipal Natural Science Foundation [12ZR1414300]
- Starting Foundation for New Teacher of Shanghai Jiao Tong University [12X100040119]
- Third Phase of 211 Project for Advanced Materials Science [WS3116205006, WS3116205007]
Cu2ZnSnS4 (CZTS) has attracted great interest in both photovoltaic and photoelectrochemical applications as a low cost and environmentally-friendly solar absorber material. The development of a facile and green chemical route for the preparation of a well crystallized and stable CZTS photoelectrode still remains a challenge. We present here the preparation of well crystallized CZTS thin films using a facile spin-coating method based on methanol solution and their applications as photoelectrocathodes for hydrogen production. The bare CZTS thin films demonstrate outstanding photoelectrochemical (PEC) efficiency and chemical stability, which are further improved by surface modification of CdS and TiO2 layers using chemical bath and atomic layer deposition, respectively. The incident-photon-to-current efficiency (IPCE) and long term photoelectrochemistry of the CZTS thin films are measured. The characterization of XRD, Raman, SEM, and UV-vis absorption is also performed.
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