Doping ofTiO 2 Polymorphs for Altered Optical and Photocatalytic Properties
Author(s) -
Xiliang Nie,
Shuping Zhuo,
Gloria Maeng,
Karl Sohlberg
Publication year - 2009
Publication title -
international journal of photoenergy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.426
H-Index - 51
eISSN - 1687-529X
pISSN - 1110-662X
DOI - 10.1155/2009/294042
Subject(s) - computer science , doping , physics , condensed matter physics
This paper reviews recent investigations of the influence of dopants on the optical properties of TiO2 polymorphs. The common undoped polymorphs of TiO2 are discussed and compared. The results of recent doping efforts are tabulated, and discussed in the context of doping by elements of the same chemical group. Dopant effects on the band gap and photocatalytic activity are interpreted with reference to a simple qualitative picture of the TiO2 electronic structure, which is supported with first-principles calculations
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