Nanostructured TiO2 Films with 2 eV Optical Gap

Nanostructured TiO2 Films with 2 eV Optical Gap

Nanostructured TiO2 (ns‐TiO2) films obtained by supersonic cluster beam deposition possess highly porous, defective structures, and allow efficient incorporation of carbon‐ containing molecules during thermal treatment. Carbothermal reduction modifies the electronic structure of the ns‐TiO2, narrowi...

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Veröffentlicht in:Advanced materials (Weinheim) 2005-08, Vol.17 (15), p.1842-1846
Hauptverfasser: Barborini, E., Conti, A. M., Kholmanov, I., Piseri, P., Podestà, A., Milani, P., Cepek, C., Sakho, O., Macovez, R., Sancrotti, M.
Format: Artikel
Sprache:eng
Schlagworte:
nanostructured
Photocatalysis
Thin films
Thin films, nanostructured
Titania
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Zusammenfassung:Nanostructured TiO2 (ns‐TiO2) films obtained by supersonic cluster beam deposition possess highly porous, defective structures, and allow efficient incorporation of carbon‐ containing molecules during thermal treatment. Carbothermal reduction modifies the electronic structure of the ns‐TiO2, narrowing the optical gap to 2 eV. This is within the range of visible solar radiation (see Figure), allowing more efficient photoconversion.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200401169