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Theoretical insight into the electronic, optical and photocatalytic properties of InMO4 (M = V, Nb, Ta) photocatalysts
Li, Guo-Ling1,2,3; Yin, Zhen1,2
Source PublicationPHYSICAL CHEMISTRY CHEMICAL PHYSICS
2011
DOI10.1039/b921143h
Volume13Issue:7Pages:2824-2833
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical ; Physics, Atomic, Molecular & Chemical
WOS Research AreaChemistry ; Physics
WOS KeywordVISIBLE-LIGHT IRRADIATION ; PHOTOPHYSICAL PROPERTIES ; WATER ; INVO4 ; DECOMPOSITION ; CRYSTAL ; INTAO4 ; ENERGY ; O-2 ; H-2
AbstractThe electronic and optical properties of InMO4 (M = V, Nb, Ta) photocatalysts are studied using first-principles calculations. For all InMO4, the calculated band gaps are larger than the measured optical gaps, indicating the existence of sub-bandgap transitions. Impurity states and excitons are considered to interpret the characteristic absorption onsets in the measured UV-visible diffuse reflection spectra. The novel visible-light-active water-splitting photocatalytic properties of InMO4 are related to the sub-bandgap transitions. Correlation between the impurity states and the photocatalytic activities is discussed for InMO4 via the conventional mechanism of photocatalytic water-splitting on semiconductors. An excitonic mechanism analogous to Photosystem II in plant photosynthesis is also proposed for the photocatalytic water-splitting process on InMO4.
Language英语
WOS IDWOS:000286890500045
Citation statistics
Cited Times:28[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/142497
Collection中国科学院大连化学物理研究所
Affiliation1.Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China
2.Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
3.Chinese Acad Sci, State Key Lab Catalysis, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Li, Guo-Ling,Yin, Zhen. Theoretical insight into the electronic, optical and photocatalytic properties of InMO4 (M = V, Nb, Ta) photocatalysts[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2011,13(7):2824-2833.
APA Li, Guo-Ling,&Yin, Zhen.(2011).Theoretical insight into the electronic, optical and photocatalytic properties of InMO4 (M = V, Nb, Ta) photocatalysts.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,13(7),2824-2833.
MLA Li, Guo-Ling,et al."Theoretical insight into the electronic, optical and photocatalytic properties of InMO4 (M = V, Nb, Ta) photocatalysts".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 13.7(2011):2824-2833.
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