4.8 Article

Water-Mediated Promotion of Dye Sensitization of TiO2 under Visible Light

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 133, Issue 26, Pages 10000-10002

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ja2035927

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Funding

  1. National Natural Science Foundation of China [20906069]
  2. Foundation for the Author of National Excellent Doctoral Dissertation of China [200955]
  3. Program for New Century Excellent Talents in University

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Preadsorbed water along with surrounding bulk water significantly modulates the surface electronic structure of TiO2, switches the adsorption mode of dyes, and promotes dye sensitization of TiO2 under visible-light irradiation. This opens a door toward facile improvement in the efficiency of photodegradation of dyes and dye-sensitized solar cells under visible-light irradiation without any complicated and expensive surface modulation.

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