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Local structure and optical absorption characteristic investigation on Fe doped TiO2 nanoparticles
Zhao, TX; Feng, YJ; Huang, JH; He, JF; Liu, QH; Pan, ZY; Wu, ZY; Wu ZY(吴自玉)
2015
Source PublicationCHINESE PHYSICS C
ISSN1674-1137
Volume39Issue:2Pages:28001
Corresponding Author吴自玉
SubtypeArticle
AbstractThe local structures and optical absorption characteristics of Fe doped TiO2 nanoparticles synthesized by the sol-gel method were characterized by X-ray diffraction (XRD), X-ray absorption fine structure spectroscopy (XAFS) and ultraviolet-visible absorption spectroscopy (UV-Vis). XRD patterns show that all Fe-doped TiO2 samples have the characteristic anatase structure. Accurate Fe and Ti K-edge EXAFS analysis further reveal that all Fe atoms replace Ti atoms in the anatase lattice. The analysis of UV-Vis data shows a red shift to the visible range. According to the above results, we claim that substitutional Fe atoms lead to the formation of structural defects and new intermediate energy levels appear, narrowing the band gap and extending the optical absorption edge towards the visible region.
Keywordtitanium dioxide local structure photocatalysis
Subject AreaPhysics
DOI10.1088/1674-1137/39/2/028001
Indexed BySCI ; ADS
Language英语
WOS Research AreaPhysics, Nuclear ; Physics, Particles & Fields
WOS SubjectPhysics
WOS IDWOS:000349740400016
ADS Bibcode2015ChPhC..39b8001Z
ADS URLhttps://ui.adsabs.harvard.edu/abs/2015ChPhC..39b8001Z
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2015ChPhC..39b8001Z/citations
Citation statistics
Cited Times:0 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/228113
Collection多学科研究中心
Recommended Citation
GB/T 7714
Zhao, TX,Feng, YJ,Huang, JH,et al. Local structure and optical absorption characteristic investigation on Fe doped TiO2 nanoparticles[J]. CHINESE PHYSICS C,2015,39(2):28001.
APA Zhao, TX.,Feng, YJ.,Huang, JH.,He, JF.,Liu, QH.,...&吴自玉.(2015).Local structure and optical absorption characteristic investigation on Fe doped TiO2 nanoparticles.CHINESE PHYSICS C,39(2),28001.
MLA Zhao, TX,et al."Local structure and optical absorption characteristic investigation on Fe doped TiO2 nanoparticles".CHINESE PHYSICS C 39.2(2015):28001.
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