DICP OpenIR
Subject Area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)
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
2013-01-10
DOI10.1021/jp310138b
Volume117Issue:1Pages:376-382
Indexed BySCI
SubtypeArticle
Department5
Funding Project503
Contribution Rank1,1
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS KeywordARTIFICIAL PHOTOSYNTHESIS ; OXYSULFIDE SM2TI2S2O5 ; HYDROGEN-PRODUCTION ; REDUCTION ; OXYGEN ; SPECTROSCOPY ; LATIO2N ; NM ; TEMPERATURE ; OXYNITRIDE
AbstractDeposition 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.
Language英语
WOS IDWOS:000313220700050
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/117682
Collection中国科学院大连化学物理研究所
Corresponding AuthorKazunariDomen; Li C(李灿)
Affiliation1.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
Recommended Citation
GB/T 7714
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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