Highly active BaTi4O9/RuO2 photocatalyst by polymerized complex method

Masato Kakihana, Momoko Arima, Tsugio Sato, Kiyohide Yoshida, Yohichi Yamashita, Matsatomo Yashima, Masahiro Yoshimura

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21 Citations (Scopus)


A polymerized complex (PC) technique was utilized to prepare high-purity barium tetratitanate (BaTi4O9) fine powders at a low temperature (700 °C). BaTi4O9 via the PC route, combined with RuO2, exhibited 2.4 times larger photocatalytic activities for the decomposition of water compared to those for a sample prepared by a solid-state reaction method. A considerably large surface area (∼30 m2/g) of the BaTi4O9/RuO2 powder via the PC route, when compared with ∼5 m2/g for the solid-state reaction powder, was supposed to be one of the key factors responsible for the high photocatalytic activity observed.

Original languageEnglish
Pages (from-to)2053-2055
Number of pages3
JournalApplied Physics Letters
Issue number14
Publication statusPublished - 1996 Sep 30
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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