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Homogeneous Doping of Substitutional Nitrogen/Carbon in TiO2 Plates for Visible Light Photocatalytic Water Oxidation
Wu, Tingting; Niu, Ping; Yang, Yongqiang; Yin, Li-Chang; Tan, Jun; Zhu, Huaze; Irvin, John T. S.; Wang, Lianzhou; Liu, Gang; Cheng, Hui-Ming
2019-06-01
Source PublicationADVANCED FUNCTIONAL MATERIALS
ISSN1616-301X
Volume29Issue:25
AbstractExtending the light absorption range of wide-bandgap photocatalysts into the visible light region is significant in terms of fully harvesting and converting solar light. The desirable band-to-band redshift of the absorption edge of semiconducting binary metal oxides such as prototypical photocatalyst TiO2 by doping is long targeted but remains a challenge, up to date. Here, by taking the advantage of abundant 1D diffusion channels with rhombus-like cross-sections along the c-axis in the crystal structure of titanium oxalate hydrate to promote the entrance of nitrogen dopant species into the bulk and subsequent thermal topotactic transition in an atmosphere of gaseous ammonia, homogeneous doping of substitutional carbon/nitrogen for oxygen in the TiO2 decahedral plates with a dominant anatase phase is obtained for the first time. The resultant TiO2-x(CN)(y) with an unusual band-to-band visible light absorption spectrum can induce photocatalytic water oxidation to release oxygen under visible light irradiation. This study provides not only a promising visible light-responsive TiO2 photocatalyst, but also an important strategy for developing other solar-driven photocatalysts.
Keywordhomogeneous doping photocatalyst topotactic transition visible light water splitting
Indexed BySCI
Language英语
WOS IDWOS:000472552900009
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81025
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Wu, Tingting,Niu, Ping,Yang, Yongqiang,et al. Homogeneous Doping of Substitutional Nitrogen/Carbon in TiO2 Plates for Visible Light Photocatalytic Water Oxidation[J]. ADVANCED FUNCTIONAL MATERIALS,2019,29(25).
APA Wu, Tingting.,Niu, Ping.,Yang, Yongqiang.,Yin, Li-Chang.,Tan, Jun.,...&Cheng, Hui-Ming.(2019).Homogeneous Doping of Substitutional Nitrogen/Carbon in TiO2 Plates for Visible Light Photocatalytic Water Oxidation.ADVANCED FUNCTIONAL MATERIALS,29(25).
MLA Wu, Tingting,et al."Homogeneous Doping of Substitutional Nitrogen/Carbon in TiO2 Plates for Visible Light Photocatalytic Water Oxidation".ADVANCED FUNCTIONAL MATERIALS 29.25(2019).
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