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题名: Sulfur-substituted and zinc-doped In(OH)(3): A new class of catalyst for photocatalytic H-2 production from water under visible light illumination
作者: Lei, ZB;  Ma, GJ;  Liu, MY;  You, WS;  Yan, HJ;  Wu, GP;  Takata, T;  Hara, M;  Domen, K;  Li, C
关键词: In(OH)(y)S-z ;  Zn2+ doping ;  hydrogen production ;  photocatalysis
刊名: JOURNAL OF CATALYSIS
发表日期: 2006-01-25
DOI: 10.1016/j.jcat.2005.11.022
卷: 237, 期:2, 页:322-329
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: Sulfur-substituted In(OH)(3) [hereafter denoted as In(OH)(y)S-z] and Zn-doped In(OH)(y)S-z [hereafter denoted as In(OH)(y)S-z:Zn] are synthesized in an aqueous Solution of ethylenediamine via the hydrothermal method. The photoactivities of these catalysts for H,) production are investigated in the presence of Na2S and Na2SO3 sacrificial reagent under visible light illumination (lambda > 420 nm). The absorption edge of In(OH)(y)S-z shifted monotonically from 240 nm for In(OH)(3) to 570 nm for In(OH)(y)S-z when the atomic ratio of S/In in the synthesis solution is increased from 0 to 2.0. But the absorption edge of In(OH)(y)S-z:Zn shifted from 570 to 470 nm as the atomic ratio of Zn/In in the synthesis solution was increased from 0 to 1.0. The catalyst In(OH)(y)S-z is active for H-2 production, with an average rate of H-2 of 0.9-1.8 mu mol/h, under visible light illumination. The The rate of H-2 production is 35.8 and 67 mu mol/h on 2wt% Pt-loaded In(OH)(y)S-z:Zn photoactivity of In(OH)(y)S-z is enhanced by doping with Zn2+ catalyst when X = 0.2 and 0.5, respectively, corresponding to a quantum efficiency of 0.32 and 0.59% at 420 +/- 10 nm, respectively. (c) 2005 Elsevier Inc. All rights reserved.
关键词[WOS]: CHEMICAL BATH DEPOSITION ;  SOLID-SOLUTION PHOTOCATALYST ;  FREE BUFFER LAYER ;  THIN-FILMS ;  OXYSULFIDE SM2TI2S2O5 ;  ELECTRONIC-STRUCTURE ;  CONTROLLABLE GROWTH ;  AQUEOUS-SOLUTIONS ;  IRRADIATION ;  EVOLUTION
语种: 英语
WOS记录号: WOS:000235330600012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140115
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Tokyo Inst Technol, Chem Res Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.Japan Sci & Technol Corp, Solut Oriented Res Sci & Technol, Taito Ku, Tokyo 1100015, Japan

Recommended Citation:
Lei, ZB,Ma, GJ,Liu, MY,et al. Sulfur-substituted and zinc-doped In(OH)(3): A new class of catalyst for photocatalytic H-2 production from water under visible light illumination[J]. JOURNAL OF CATALYSIS,2006,237(2):322-329.
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