Pivotal Role of Fluorine in Tuning Band Structure and Visible‐Light Photocatalytic Activity of Nitrogen‐Doped TiO 2 | Zendy

Wang Qi | Zendy; Chen Chuncheng | Zendy; Ma Wanhong | Zendy; Zhu Huaiyong | Zendy; Zhao Jincai | Zendy

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Pivotal Role of Fluorine in Tuning Band Structure and Visible‐Light Photocatalytic Activity of Nitrogen‐Doped TiO 2

Author(s) -

Wang Qi,

Chen Chuncheng,

Ma Wanhong,

Zhu Huaiyong,

Zhao Jincai

Publication year - 2009

Publication title -

chemistry – a european journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.687

H-Index - 242

eISSN - 1521-3765

pISSN - 0947-6539

DOI - 10.1002/chem.200900221

Subject(s) - photocatalysis , doping , reagent , materials science , reduction (mathematics) , valence band , conduction band , nitrogen , fluorine , electronic band structure , photochemistry , visible spectrum , valence (chemistry) , inorganic chemistry , optoelectronics , electron , chemistry , band gap , catalysis , condensed matter physics , organic chemistry , physics , geometry , mathematics , quantum mechanics , metallurgy

Synergistic interactions between N and F can be used to tune the band structures of N‐doped TiO 2 (see scheme). Reduction potential of conduction band electron is positively shifted to weaken unwanted O 2 reduction, but enhances the target reduction reaction in air. The tuning also enhances the oxidation ability of the valence band to oxidize water to O 2 , which makes photocatalytic reduction proceed without any organic sacrificial reagents.

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