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{001} Facets of anatase TiO2 show high photocatalytic selectivity
- Source :
-
Materials Letters . Jul2012, Vol. 79, p259-262. 4p. - Publication Year :
- 2012
-
Abstract
- Abstract: {001} Facets of anatase TiO2 show excellent photocatalytic selectivity which is confirmed by photo-degradation of azo dye molecules. A novel adsorption and degradation competition between dyes on the {001} facets of TiO2 is found. The TiO2 nanosheets with a large percentage of exposed {001} facets show preferential adsorption and photo-degradation of methylene blue than methyl orange and rhodamine B. Instead of charged chemical group adsorption on the surface, the reactive oxygen atoms and separation of photo-induced holes on {001} facets are consider to be key factors for the high photocatalytic selectivity. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 0167577X
- Volume :
- 79
- Database :
- Academic Search Index
- Journal :
- Materials Letters
- Publication Type :
- Academic Journal
- Accession number :
- 76174357
- Full Text :
- https://doi.org/10.1016/j.matlet.2012.04.045