4.8 Article

Activating the Single-Crystal TiO2 Nanoparticle Film with Exposed {001} Facets

Journal

ACS APPLIED MATERIALS & INTERFACES
Volume 5, Issue 14, Pages 6463-6466

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/am401869e

Keywords

TiO2 film; anatase; {001} facets; single crystal; photocatalyst panel

Funding

  1. National Basic Research Program of China [2012CB933104]
  2. National Nature Science Foundation of China [61021061, 61271037, 61131005]

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TiO2 films consisting of single-crystal anatase nanopartides with exposed {001} facets were fabricated from anodized TiO2 nanotube arrays. The films' photocatalytic activities were further activated and then enhanced (similar to 2.5 times) by removing F- from the {001} facets. This study indicates that fluorine-free crystal surfaces are of great importance for the application of such kinds of single-crystal TiO2 nanoparticle films with exposed {001} facets in related areas.

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