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学科主题物理化学
Sulfurization-Assisted Cobalt Deposition on Sm2Ti2S2O5 Photocatalyst for Water Oxidation under Visible Light Irradiation
Li, Rengui1,2; Chen, Zheng1,2; Zhao, Wen3; Zhang, Fuxiang1; Maeda, Kazuhiko3,4; Huang, Baokun1; Shen, Shuai1,2; Domen, Kazunari3; Li, Can1; KazunariDomen; Li C(李灿)
刊名JOURNAL OF PHYSICAL CHEMISTRY C
2013-01-10
DOI10.1021/jp310138b
117期:1页:376-382
收录类别SCI
文章类型Article
部门归属5
项目归属503
产权排名1,1
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]ARTIFICIAL PHOTOSYNTHESIS ; OXYSULFIDE SM2TI2S2O5 ; HYDROGEN-PRODUCTION ; REDUCTION ; OXYGEN ; SPECTROSCOPY ; LATIO2N ; NM ; TEMPERATURE ; OXYNITRIDE
英文摘要Deposition of cocatalyst is an efficient way for photocatalytic water splitting to improve solar energy conversion efficiency, and its deposition method has been known to make a great effect. In this work, we introduced a sulfurization-assisted deposition method to load earth-abundant cobalt cocatalyst for the purpose of promoting water oxidation performance of Sm2Ti2S2O5 oxysulfide that is characterized with wide visible light absorption. The cobalt deposition introduced here undergoes first formation of CoSx by sulfurization at high temperature and subsequent conversion into CoOx by calcinations in air. Compared to conventionally impregnated cobalt or IrO2 colloids, the sulfurization-assisted cobalt deposition well maintains structure of photocatalyst and inhibits the formation of defect sites leading to better separation of photogenerated carriers and water oxidation performance. The apparent quantum efficiency of the optimized sample reaches 5.0% at 420 nm. The sulfurization-assisted deposition actually open a new way to modify the (oxy)sulfide semiconductors.
语种英语
WOS记录号WOS:000313220700050
引用统计
被引频次:21[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/321008/117682
专题中国科学院大连化学物理研究所
通讯作者KazunariDomen; Li C(李灿)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan
4.Japan Sci & Technol Agcy JST, Precursory Res Embryon Sci & Technol PRESTO, Kawaguchi, Saitama 3320012, Japan
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Li, Rengui,Chen, Zheng,Zhao, Wen,et al. Sulfurization-Assisted Cobalt Deposition on Sm2Ti2S2O5 Photocatalyst for Water Oxidation under Visible Light Irradiation[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2013,117(1):376-382.
APA Li, Rengui.,Chen, Zheng.,Zhao, Wen.,Zhang, Fuxiang.,Maeda, Kazuhiko.,...&李灿.(2013).Sulfurization-Assisted Cobalt Deposition on Sm2Ti2S2O5 Photocatalyst for Water Oxidation under Visible Light Irradiation.JOURNAL OF PHYSICAL CHEMISTRY C,117(1),376-382.
MLA Li, Rengui,et al."Sulfurization-Assisted Cobalt Deposition on Sm2Ti2S2O5 Photocatalyst for Water Oxidation under Visible Light Irradiation".JOURNAL OF PHYSICAL CHEMISTRY C 117.1(2013):376-382.
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