Preparation and photocatalytic activity of porous Bi sub(2)O sub(3) polymorphisms

Preparation and photocatalytic activity of porous Bi sub(2)O sub(3) polymorphisms

In this study, porous Bi sub(2)O sub(3) catalysts were prepared by the sol-gel method, and the effects of polymorphism and pore structure on the photocatalytic activity for hydrogen evolution using Bi sub(2)O sub(3) were investigated. The mixtures of beta - and gamma -Bi sub(2)O sub(3) prepared usin...

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Veröffentlicht in:International journal of hydrogen energy 2016-05, Vol.41 (18), p.7388-7392
Hauptverfasser: Hashimoto, Tadanori, Ohta, Honami, Nasu, Hiroyuki, Ishihara, Atsushi
Format: Artikel
Sprache:eng
Schlagworte:
Catalytic activity
Hydrogen evolution
Hydrogen-based energy
Photocatalysis
Polymorphism
Porosity
Sol gel process
Ureas
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Zusammenfassung:In this study, porous Bi sub(2)O sub(3) catalysts were prepared by the sol-gel method, and the effects of polymorphism and pore structure on the photocatalytic activity for hydrogen evolution using Bi sub(2)O sub(3) were investigated. The mixtures of beta - and gamma -Bi sub(2)O sub(3) prepared using urea showed larger specific surface areas and higher activities for hydrogen evolution than alpha -Bi sub(2)O sub(3) prepared without urea.
ISSN:0360-3199
DOI:10.1016/j.ijhydene.2016.03.109