Synthesis and characterization of chromium doped SrTiO3 photocatalyst

SrTiO3 and chromium doped SrTiO3 (SrTi(1−x)CrxO3) photocatalysts were synthesized by the polymeric precursor method using citric acid and ethylene glycol. Single phase SrTiO3 and SrTi(1−x)CrxO3 nano-size powder were produced at 450 °C. A new band gap in the visible light range was formed by chromium...

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Bibliographic Details
Published in:Materials letters 2006-01, Vol.60 (1), p.129-132
Main Authors: Chang, Chia-Hao, Shen, Yun-Hwei
Format: Article
Language:English
Subjects:
Chromium doping
Photocatalyst
Polymeric precursor method
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Summary:SrTiO3 and chromium doped SrTiO3 (SrTi(1−x)CrxO3) photocatalysts were synthesized by the polymeric precursor method using citric acid and ethylene glycol. Single phase SrTiO3 and SrTi(1−x)CrxO3 nano-size powder were produced at 450 °C. A new band gap in the visible light range was formed by chromium doping in SrTiO3. The absorption of visible light is of practical importance for the application of SrTiO3 as a photocatalyst.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2005.08.005