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Visible-light-driven photocatalyst of La-N-codoped TiO2 nano-photocatalyst: Fabrication and its enhanced photocatalytic performance and mechanism
Li, Junjing1; Li, Bo2; Li, Jiejing3; Liu, Junliang4; Wang, Liang1; Zhang, Hongwei1; Zhang, Zhaohui1; Zhao, Bin1
2015-05-25
Source PublicationJOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume25Pages:16-21
SubtypeArticle
AbstractIn this study, La, N codoped TiO2 (La-N-TiO2) nano-photocatalyst was fabricated through simple sot-gel method. The resulting samples were characterized through X-ray diffraction (XRD), scanning electrons microscope (SEM), transmission electrons microscope (TEM), X-ray photoelectron spectroscopy (XPS) and UV-visible light diffuse reflection spectroscopy (UV-vis DRS). Results revealed that La elements were not implanted into the structure of TiO2 but existed as the form of Ti-O-La bonds in the interstitial site, while N dopants were incorporated into the lattice of TiO2 and coexisted in the substitutional N (N-Ti-O) and interstitial N (Ti-O-N) in the La-N-TiO2 catalyst, thereby resulting in the formation of new impurity energy level between the forbidden band and greatly enhancement of light absorption ability in visible light region. The enhanced visible light driven (VLD) photocatalytic (PC) performance for the degradation of phenol aqueous solution could be attributed to the intense light absorbance in visible light region and high separation efficiency of photogenerated charge carriers. (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
KeywordLa-n-codoped Tio2 Photocatalysis Phenol
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS KeywordNITROGEN ; DEGRADATION ; NANOPARTICLES ; IRRADIATION ; FILMS
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000356200400005
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6144
Collection青海盐湖研究所知识仓储
盐湖资源综合利用工程技术中心
Affiliation1.Tianjin Polytech Univ, Sch Environm & Chem Engn, Tianjin 300387, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
3.Hebei Yuanda Secur Investment Consulting Co Ltd, Shijiazhuang 050010, Peoples R China
4.Agr Univ Hebei, Inst Urban & Rural Construct, Baoding 071001, Peoples R China
Recommended Citation
GB/T 7714
Li, Junjing,Li, Bo,Li, Jiejing,et al. Visible-light-driven photocatalyst of La-N-codoped TiO2 nano-photocatalyst: Fabrication and its enhanced photocatalytic performance and mechanism[J]. JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY,2015,25:16-21.
APA Li, Junjing.,Li, Bo.,Li, Jiejing.,Liu, Junliang.,Wang, Liang.,...&Zhao, Bin.(2015).Visible-light-driven photocatalyst of La-N-codoped TiO2 nano-photocatalyst: Fabrication and its enhanced photocatalytic performance and mechanism.JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY,25,16-21.
MLA Li, Junjing,et al."Visible-light-driven photocatalyst of La-N-codoped TiO2 nano-photocatalyst: Fabrication and its enhanced photocatalytic performance and mechanism".JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY 25(2015):16-21.
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