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Solvothermal synthesis of SrTiO3 nanoparticles precisely controlled in surface crystal planes and their photocatalytic activity

Paper ID Volume ID Publish Year Pages File Format Full-Text
45382 46410 2014 6 PDF Available
Title
Solvothermal synthesis of SrTiO3 nanoparticles precisely controlled in surface crystal planes and their photocatalytic activity
Abstract

•Strontium titanate nanoparticles of cubes, spheres, and flake-type morphology were obtained.•Flake-shaped nanoparticles showed high photocatalytic activity for H2 evolution.•Cubic-shaped nanoparticles exhibited high activity for decomposition of organic compounds.

Strontium titanate (SrTiO3) nanoparticles of cubes, spheres, and flake-type morphology were obtained by a solvothermal synthesis in H2O/polyols mixed solution. Size of cubic particles bounded by {1 0 0} faces was controlled in the range from 24 to 43 nm by the adjustment of initial volume ratio in H2O/diethylene glycol. Cubic particles exhibited high decomposition activity of organic compounds under ultraviolet irradiation. On the other hand, flake-type particles bounded mainly by {1 1 0} faces were obtained in H2O/ethylene glycol solution system, highly active for H2 evolution in photocatalytic reaction. These results indicate that the {1 0 0} surface shows high oxidative activity and that the {1 1 0} surface shows high reductive activity.

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Keywords
Strontium titanate; Photocatalyst; Morphology control
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Solvothermal synthesis of SrTiO3 nanoparticles precisely controlled in surface crystal planes and their photocatalytic activity
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 144, January 2014, Pages 462–467
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us