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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
关键词Zn(x)Cd(1-x)s Hydrogen Production Water Splitting L-cystine Green Synthesis
刊名INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
2017-08-17
DOI10.1016/j.ijhydene.2017.06.196
42期:33页:20970-20978
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Electrochemistry ; Energy & Fuels
研究领域[WOS]Chemistry ; Electrochemistry ; Energy & Fuels
关键词[WOS]VISIBLE-LIGHT IRRADIATION ; REDUCED GRAPHENE OXIDE ; SOLID-SOLUTIONS ; FACILE SYNTHESIS ; H-2 PRODUCTION ; TEMPLATE-FREE ; L-METHIONINE ; L-CYSTINE ; EFFICIENT ; SEMICONDUCTOR
英文摘要To 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.
语种英语
WOS记录号WOS:000410010600005
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/149930
专题中国科学院大连化学物理研究所
作者单位1.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
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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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