Metal selenide photocatalysts for visible-light-driven Z-scheme pure water splitting

doi:10.1039/c9ta00768g

	Metal selenide photocatalysts for visible-light-driven Z-scheme pure water splitting
	Chen, Shanshan 1; Ma, Guijun2,7 ; Wang, Qian 2,8; Sun, Song 3,9; Hisatomi, Takashi 1; Higashi, Tomohiro 2; Wang, Zheng 1; Nakabayashi, Mamiko 4; Shibata, Naoya 4; Pan, Zhenhua 2; Hayashi, Toshio 5,6; Minegishi, Tsutomu 2; Takata, Tsuyoshi 1; Domen, Kazunari 1,2
	2019-04-07
发表期刊	JOURNAL OF MATERIALS CHEMISTRY A
ISSN	2050-7488
卷号	7 期号:13 页码:7415-7422
发表状态	已发表
DOI	10.1039/c9ta00768g
摘要	Particulate metal selenides having narrow bandgaps for photocatalytic overall pure water splitting have not yet been reported due to the severe self-photooxidation of such materials. The present work demonstrates that solid solutions of zinc selenide and copper gallium selenide (ZnSe:CGSe), with absorption edges ranging from 480 to 750 nm, can be employed as H-2 evolution photocatalysts in particulate photocatalyst sheets for Z-scheme pure water splitting, where CoOx/BiVO4 and Au are used as the oxygen evolution photocatalyst and electron mediator, respectively. Photogenerated holes in the metal selenide are efficiently recombined with electrons from BiVO(4)via the Au layer, thus avoiding self-oxidation of the selenides and leading to stable pure water splitting. Varying the ZnSe:CGSe composition demonstrates that both the p-type semiconductor character and excellent photoelectrochemical properties of selenides are vital to efficient Z-scheme water splitting. This study extends the application field of metal selenides in photocatalytic pure water splitting and creates new opportunities for selenide-based photocatalytic systems for solar fuel production.
收录类别	SCI ; SCIE
语种	英语
资助项目	Japan Society for the Promotion of Science[16H02417] ; Japan Society for the Promotion of Science[15H05494]
WOS研究方向	Chemistry ; Energy & Fuels ; Materials Science
WOS类目	Chemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS记录号	WOS:000463819400010
出版者	ROYAL SOC CHEMISTRY
WOS关键词	REDUCED GRAPHENE OXIDE ; HYDROGEN EVOLUTION ; SOLID-SOLUTION ; REDUCTION ; MEDIATOR ; SULFIDE ; SYSTEMS
原始文献类型	Article
引用统计
文献类型	期刊论文
条目标识符	https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/34161
专题	物质科学与技术学院_PI研究组_马贵军组
通讯作者	Domen, Kazunari
作者单位	1.Shinshu Univ, Ctr Energy & Environm Sci, Nagano 3808553, Japan 2.Univ Tokyo, Sch Engn, Dept Chem Syst Engn, Tokyo 1138656, Japan 3.Univ Sci & Technol China, Collaborat Innovat Ctr Chem Energy Mat, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China 4.Univ Tokyo, Inst Engn Innovat, Tokyo 1138656, Japan 5.Japan Technol Res Assoc Artificial Photosynthet C, Tokyo 1138656, Japan 6.Mitsui Chem Inc, Chiba 2990265, Japan 7.Shanghai Tech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China 8.Univ Cambridge, Dept Chem, Lensfield Rd, Cambridge CB2 1EW, England 9.Anhui Univ, Sch Chem & Chem Engn, Hefei 230601, Anhui, Peoples R China
推荐引用方式 GB/T 7714	Chen, Shanshan,Ma, Guijun,Wang, Qian,et al. Metal selenide photocatalysts for visible-light-driven Z-scheme pure water splitting[J]. JOURNAL OF MATERIALS CHEMISTRY A,2019,7(13):7415-7422.
APA	Chen, Shanshan.,Ma, Guijun.,Wang, Qian.,Sun, Song.,Hisatomi, Takashi.,...&Domen, Kazunari.(2019).Metal selenide photocatalysts for visible-light-driven Z-scheme pure water splitting.JOURNAL OF MATERIALS CHEMISTRY A,7(13),7415-7422.
MLA	Chen, Shanshan,et al."Metal selenide photocatalysts for visible-light-driven Z-scheme pure water splitting".JOURNAL OF MATERIALS CHEMISTRY A 7.13(2019):7415-7422.