Enhanced visible-light absorption in heavily nitrogen-doped TiO2
作者： Q. Li , J. Xue , W. Liang , J.-H. Huang , J. K. Shang
DOI: 10.1080/09500830801894516
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摘要: Heavy nitrogen doping of TiO2 thin films has been achieved by ion-beam-assisted deposition. The heavily doped have a distorted anatase crystal structure and show an increase in visible-light absorption compared to with only light doping. enhanced is shown first-principles density-functional calculation result from electronic band-gap narrowing, contrast the appearance isolated N 2p states above valence-band maximum that occur
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