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    National Tsing Hua University Institutional Repository > 原子科學院  > 工程與系統科學系 > 期刊論文 >  Enhanced Visible-Light Absorption in Heavily Nitrogen-Doped TiO2


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/48278


    Title: Enhanced Visible-Light Absorption in Heavily Nitrogen-Doped TiO2
    Authors: Q. Li;J. Xue;W. Liang;J.-H. Huang;J.K. Shang
    教師: 黃嘉宏
    Date: 2008
    Publisher: Taylor & Francis
    Relation: Philosophical Magazine Letters, v 88, n 3, p 231-238, March 2008
    Keywords: OPTICAL-PROPERTIES
    TITANIUM-DIOXIDE
    FILM ELECTRODES
    WATER
    PSEUDOPOTENTIALS
    PHOTOCATALYSIS
    HYDROGEN
    Abstract: Heavy nitrogen doping of TiO2 thin films has been achieved by ion-beam-assisted deposition. The heavily doped films have a distorted anatase crystal structure and show an increase in visible-light absorption compared to films with only light nitrogen doping. The enhanced absorption is shown by a first-principles density-functional calculation to result from an electronic band-gap narrowing, in contrast to the appearance of isolated N 2p states above the valence-band maximum that occur with light nitrogen doping.
    URI: http://www.tandf.co.uk/journals/default.asp
    http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/48278
    Appears in Collections:[工程與系統科學系] 期刊論文

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