Inverse opal structure of nitrogen-doped titanium oxide with enhanced visible-light photocatalytic activity

Qi Li, Jian Ku Shang

Research output: Contribution to journalArticlepeer-review

Abstract

Nitrogen-doped titanium oxide inverse opal structure was synthesized to combine both chemical and physical modifications on n-TiO2 by the polystyrene sphere self-assembly followed by a sol-gel process. Enhanced visible-light absorption and subsequently enhanced photodegradation efficiency were observed in this unique structure, which can be attributed to both nitrogen-doping effect and inverse opal structure effect. Our work suggests that the coupling of photonic band gap structure with photocatalytic materials is a promising approach to achieve maximum enhancement for various photocatalytic materials, especially for environmental applications and solar cell devices.

Original languageEnglish (US)
Pages (from-to)660-663
Number of pages4
JournalJournal of the American Ceramic Society
Volume91
Issue number2
DOIs
StatePublished - Feb 2008

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

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