Titanium(IV) Dioxide Surface-Modified with Iron Oxide as a Visible Light Photocatalyst

Titanium(IV) Dioxide Surface-Modified with Iron Oxide as a Visible Light Photocatalyst

The light fandango: Anatase and anatase–rutile composite TiO2 has been modified electronically with highly dispersed surface iron oxide species. The chemisorption–calcination cycle technique was used with [Fe(acac)3] as a precursor (acac=acetylacetonate), leading to pronounced visible‐light activity...

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Veröffentlicht in:Angewandte Chemie International Edition 2011-04, Vol.50 (15), p.3501-3505
Hauptverfasser: Tada, Hiroaki, Jin, Qiliang, Nishijima, Hiroaki, Yamamoto, Hironori, Fujishima, Musashi, Okuoka, Shin-ichi, Hattori, Takanori, Sumida, Yasutaka, Kobayashi, Hisayoshi
Format: Artikel
Sprache:eng
Schlagworte:
electron transfer
iron oxide
photocatalysis
surface modification
TiO2
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Zusammenfassung:The light fandango: Anatase and anatase–rutile composite TiO2 has been modified electronically with highly dispersed surface iron oxide species. The chemisorption–calcination cycle technique was used with [Fe(acac)3] as a precursor (acac=acetylacetonate), leading to pronounced visible‐light activity and a concomitant increase in activity under illumination with UV light (cb=conduction band, vb=valence band).
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201007869