Preparation of mesoporous titania particles with photocatalytic activity under visible-light irradiation

Hirobumi Shibata, Tatsuya Mukai, Takahito Akita, Takahiro Ohkubo, Hideki Sakai, Masahiko Abe

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Novel visible light-responsive photocatalytic mesoporous titania particles were prepared using the sol-gel reaction of titanium oxysulfate sulfuric acid hydrate TiOSO4·xH2SO4· xH 2O in aqueous solution in the presence of lyotropic cetyltrimethylammonium bromide (CTAB) liquid crystal as template. The absorption threshold of the calcined particles shifted toward the longer wavelength side and they showed a photocatalytic activity in the oxidation of gaseous 2-propanol under visible light (>440 nm) irradiation.

Original languageEnglish
Pages (from-to)1696-1697
Number of pages2
JournalChemistry Letters
Issue number12
Publication statusPublished - Dec 5 2005
Externally publishedYes


ASJC Scopus subject areas

  • Chemistry(all)

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