DataVXJournal of the Ceramic Society of JapanPaper
journal article·2019-10-01Open access

Monolithic SrTiO3/titanate nanotube/TiO2 nanocomposite toward enhanced photocatalytic activity

Kenji OKADA, Masahide TAKAHASHI

Journal of the Ceramic Society of Japan· Volume 127· Issue 10
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Source abstract

Abstract

Photocatalytic monoliths with hieratical pores ranging from nm to µm, consisting of titanate nanotubes (TNTs), SrTiO3 nanoparticles, and TiO2 nanoparticles, are prepared by a hydrothermal reaction of a porous TNT/TiO2 monolith with Sr(OH)2. The precursory TNT/TiO2 monolith is composed of TNTs and TiO2 (anatase) nanoparticles where the frameworks of the monolith are constructed from interconnected and entangled TNTs. The SrTiO3 nanoparticles are found to be homogeneously formed on the TNTs. Close contact between SrTiO3 nanoparticles and TNTs in the porous monolith is considered to benefit an enhancement of photocatalytic activity due to an effective suppression of the electron–hole recombination at the heterojunction.
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Research context

NanomaterialsCatalysis & surfaces

OpenAlex topics: TiO2 Photocatalysis and Solar Cells · Advanced Photocatalysis Techniques · Electronic and Structural Properties of Oxides

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Materials Science, Graduate School of Engineering, Osaka Prefecture University

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