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Biomolecule-assisted hydrothermal synthesis of Zn(x)Cdi(1-x)S nanocrystals and their outstanding photocatalytic performance for hydrogen production
Liu, Meiying1; He, Yunfei1; Chen, Hong1; Zhao, Hongmei1; You, Wansheng1; Shi, Jingying2; Zhang, Lancui1; Li, Jiansheng1
KeywordZn(x)Cd(1-x)s Hydrogen Production Water Splitting L-cystine Green Synthesis
Source PublicationINTERNATIONAL JOURNAL OF HYDROGEN ENERGY
2017-08-17
DOI10.1016/j.ijhydene.2017.06.196
Volume42Issue:33Pages:20970-20978
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS Research AreaChemistry ; Electrochemistry ; Energy & Fuels
WOS KeywordVISIBLE-LIGHT IRRADIATION ; REDUCED GRAPHENE OXIDE ; SOLID-SOLUTIONS ; FACILE SYNTHESIS ; H-2 PRODUCTION ; TEMPLATE-FREE ; L-METHIONINE ; L-CYSTINE ; EFFICIENT ; SEMICONDUCTOR
AbstractTo achieve scalable applications in solar hydrogen production, it is necessary to develop visible-light-responsive photocatalysts that are highly efficient, cost-effective, stable and environmentally-benign. Here narrow bandgap Zn-Cd-S solid solution photocatalysts (Eg = 2.11-2.53 eV) were prepared via a facile and green hydrothermal strategy under mild conditions. Amazingly, over the naked Zn(0.5)Cd(0.5)s photocatalyst, an extraordinarily high H-2 production activity in Na2S-Na(2)So(3) aqueous solution is achieved up to 18.3 mmol h(-1) g(-1) with an apparent quantum efficiency of 73.8% per 50 mg under 420 nm light irradiation, which, to our knowledge, outperforms cocatalyst-free metal sulfide photocatalysts previously reported to date. Such super high performance arises from the enhanced visible light-absorption capacity, suitable conduction and valence band potential together with the facilitated charge transport in Zn-Cd-S solid solutions. This work may open an avenue for the green preparation of inexpensive photocatalysts for solar H2 production. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
Language英语
WOS IDWOS:000410010600005
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/149930
Collection中国科学院大连化学物理研究所
Affiliation1.Liaoning Normal Univ, Sch Chem & Chem Engn, Dalian 116029, Liaoning, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Liu, Meiying,He, Yunfei,Chen, Hong,et al. Biomolecule-assisted hydrothermal synthesis of Zn(x)Cdi(1-x)S nanocrystals and their outstanding photocatalytic performance for hydrogen production[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2017,42(33):20970-20978.
APA Liu, Meiying.,He, Yunfei.,Chen, Hong.,Zhao, Hongmei.,You, Wansheng.,...&Li, Jiansheng.(2017).Biomolecule-assisted hydrothermal synthesis of Zn(x)Cdi(1-x)S nanocrystals and their outstanding photocatalytic performance for hydrogen production.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,42(33),20970-20978.
MLA Liu, Meiying,et al."Biomolecule-assisted hydrothermal synthesis of Zn(x)Cdi(1-x)S nanocrystals and their outstanding photocatalytic performance for hydrogen production".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 42.33(2017):20970-20978.
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