4.7 Review

Effects of fluorine on photocatalysis

期刊

CHINESE JOURNAL OF CATALYSIS
卷 41, 期 10, 页码 1451-1467

出版社

SCIENCE PRESS
DOI: 10.1016/S1872-2067(20)63594-X

关键词

TiO2; Fluorine; Photocatalysis; Doping; Surface modification

资金

  1. National Natural Science Foundation of China [51672312, 51808080, 21373275, 51872341, 51572209]
  2. Fundamental Research Funds for the Central Universities, South-Central University for Nationalities [CZT20016]
  3. China Post-Doctoral Innovative Talent Support Program [BX20180056]
  4. Natural Science Foundation Project of CQ CSTC [cstc2018jcyjA3794]
  5. China Postdoctoral Science Foundation [2018M643788XB]
  6. Science and Technology Research Project of Chongqing Education Commission Foundation [KJQN201800826, KJZDK201800801]
  7. Venture AMP
  8. Innovation Support Program for Chongqing Overseas Returnees [cx2018130]
  9. Chongqing Technology and Business University Research Foundation Project [1856039]

向作者/读者索取更多资源

Tailoring the microstructure of pristine TiO2 is essential to narrow its band gap and prolong the charge lifetime. In particular, strategies involving fluorine have been used successfully to tune the surface chemistry, electronic structure, and morphology of TiO2 photocatalysts to improve their photocatalytic activity based on the strong complexation between fluoride ions and TiO2 and the high electronegativity of fluorine. In this review, we summarize the strategies involving fluorine to establish highly efficient TiO2 photocatalytic systems or fabricate highly efficient TiO2 photocatalysts. The main fluorine effects (i.e. the effects of fluorine on photocatalysis) include the following four aspects: (1) Surface effects of fluoride on TiO2 photocatalysis, (2) effects of fluorine doping on TiO2 photocatalysis, (3) fluoride-mediated tailoring of the morphology of TiO2 photocatalysts, and (4) the effects of fluorine on non-TiO2 photocatalysis. Additionally, the unique applications of these fluorine effects in photocatalysis, including selective degradation of pollutants, selective oxidation of chemicals, water-splitting to produce H-2, reduction of CO2 to produce solar fuels, and improvement of the thermostability of TiO2 photocatalysts, are reviewed. (c) 2020, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.

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