Significant role of the initial precursor sulfur concentration in the photoelectrochemical hydrogen production of Cu2ZnSnS4 photocathode prepared by thermal evaporation

doi:10.1117/1.JNP.16.016001

GIEC OpenIR

	Significant role of the initial precursor sulfur concentration in the photoelectrochemical hydrogen production of Cu2ZnSnS4 photocathode prepared by thermal evaporation
	Abeykoon, Lahiru K.1; Tan, Hong-Yi 2,3,4; Yan, Chang-Feng2,3,4,5 ; Bandara, Jayasundera 1
	2022
发表期刊	JOURNAL OF NANOPHOTONICS
ISSN	1934-2608
卷号	16 期号:1 页码:15
通讯作者	Bandara, Jayasundera(jayasundera.ba@nifs.ac.lk)
摘要	The thermal evaporation of Cu2ZnSnS4 (CZTS) nanoparticles synthesized by changing the sulfur ratio in the precursor solution was used to investigate the critical role of sulfur concentration in the photoelectrochemical (PEC) water splitting reactions of the CZTS photocathode. X-ray diffraction, transmission electron microscopy, UV-visible spectroscopy, impedance spectroscopy, capacity measurement, and PEC performance measurement were used to investigate the effect of precursor sulfur concentration on the structural, morphological, optical, and PEC performance of films. The half-cell solar-to-hydrogen efficiency of CZTS photoelectrodes increased as the sulfur content increased. The power conversion efficiency of the CZTS cathode constructed with CZTS nanoparticles synthesized with a 0.8 to 1.0 M precursor sulfur concentration was 0.32% at 0 V versus RHE under AM 1.5 illumination. The increase in crystallite size and charge carrier concentration is observed with increasing precursor sulfur concentration, and the maximum crystallite size and charge carrier concentration are observed at 1.0 M sulfur concentration. By carefully adjusting the crystallite size and thus the charge carrier concentration of the CZTS material, the PEC water splitting efficiency of the CZTS photocathode can be improved. (C) 2022 Society of Photo-Optical Instrumentation Engineers (SPIE)
关键词	photoelectrochemical water splitting CZTS photocathode hydrogen production sulfur concentration
DOI	10.1117/1.JNP.16.016001
关键词[WOS]	KESTERITE CU2ZNSNS4 ; THIN-FILMS ; SOLAR-CELLS ; SEMICONDUCTOR ; EFFICIENCY ; LAYER ; NANOSTRUCTURES ; PERFORMANCE ; FABRICATION ; GROWTH
收录类别	SCI
语种	英语
资助项目	NRC[18-005]
WOS研究方向	Science & Technology - Other Topics ; Optics
项目资助者	NRC
WOS类目	Nanoscience & Nanotechnology ; Optics
WOS记录号	WOS:000777491700001
出版者	SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
引用统计	被引频次：2[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.giec.ac.cn/handle/344007/36069
专题	中国科学院广州能源研究所
通讯作者	Bandara, Jayasundera
作者单位	1.Natl Inst Fundamental Studies, Kandy, Sri Lanka 2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou, Peoples R China 3.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou, Peoples R China 4.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou, Peoples R China 5.Univ Chinese Acad Sci, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Abeykoon, Lahiru K.,Tan, Hong-Yi,Yan, Chang-Feng,et al. Significant role of the initial precursor sulfur concentration in the photoelectrochemical hydrogen production of Cu2ZnSnS4 photocathode prepared by thermal evaporation[J]. JOURNAL OF NANOPHOTONICS,2022,16(1):15.
APA	Abeykoon, Lahiru K.,Tan, Hong-Yi,Yan, Chang-Feng,&Bandara, Jayasundera.(2022).Significant role of the initial precursor sulfur concentration in the photoelectrochemical hydrogen production of Cu2ZnSnS4 photocathode prepared by thermal evaporation.JOURNAL OF NANOPHOTONICS,16(1),15.
MLA	Abeykoon, Lahiru K.,et al."Significant role of the initial precursor sulfur concentration in the photoelectrochemical hydrogen production of Cu2ZnSnS4 photocathode prepared by thermal evaporation".JOURNAL OF NANOPHOTONICS 16.1(2022):15.