Metastable Sr 0.5 TaO 3  Perovskite Oxides Prepared by Nanosheet Processing | Zendy

Inaba Keigo | Zendy; Suzuki Shinya | Zendy; Noguchi Yuji | Zendy; Miyayama Masaru | Zendy; Toda Kenji | Zendy; Sato Mineo | Zendy

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Metastable Sr 0.5 TaO 3 Perovskite Oxides Prepared by Nanosheet Processing

Author(s) -

Inaba Keigo,

Suzuki Shinya,

Noguchi Yuji,

Miyayama Masaru,

Toda Kenji,

Sato Mineo

Publication year - 2008

Publication title -

european journal of inorganic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 1434-1948

DOI - 10.1002/ejic.200800776

Subject(s) - nanosheet , metastability , chemistry , dehydration , distilled water , photocatalysis , irradiation , perovskite (structure) , nuclear chemistry , chemical engineering , crystallography , mineralogy , inorganic chemistry , catalysis , organic chemistry , chromatography , physics , biochemistry , nuclear physics , engineering

Metastable Sr 0.5 TaO 3 with a perovskite structure was prepared by using layer‐structured H 2 Sr 1.5 Ta 3 O 10 by two different processes: direct dehydration and nanosheet processing, and the photocatalytic activities of the obtained structures were investigated for the evolution of H 2 and O 2 from distilled water under UV light irradiation. The average gas evolution rates were 66 μmol h –1 (H 2 ) and 16 μmol h –1 (O 2 ) for Sr 0.5 TaO 3 prepared by direct dehydration, whereas those obtained by nanosheet processing were 126 μmol h –1 (H 2 ) and 33 μmol h –1 (O 2 ). It was shown that nanosheet processing is effective for obtaining metastable Sr 0.5 TaO 3 with high photocatalytic activities. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)

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