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Journal of Materials Science
Published in: Journal of Materials Science 9/2017

10-01-2017 | Original Paper

Controllable synthesis of SrCO3 with different morphologies and their co-catalytic activities for photocatalytic oxidation of hydrocarbon gases over TiO2

Authors: Wei Zhang, Ying Yu, Zhiguo Yi

Published in: Journal of Materials Science | Issue 9/2017

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Abstract

The controlled synthesis of strontium carbonate (SrCO3) micro-/nanostructures with various morphologies, such as sphere, pompon, arborization, spindle, and hexagonal prism, are successfully achieved through rather facile hydrothermal processes. The morphology of SrCO3 can be elegantly adjusted by employing different CO3 2− sources and controlling the viscidity of the organic solvents. The underlying mechanism of morphology evolution is discussed. Moreover, the SrCO3-loaded TiO2 (SrCO3/TiO2) nanocomposites are shown to improve the activity for oxidizing hydrocarbon gases under simulated solar light irradiation. The 5.0 wt% SrCO3 (nanosphere)/TiO2 exhibited the highest performance toward the oxidation of the hydrocarbons gases, and its activity on methane oxidation is more than double that of P25 TiO2. These results are valuable for both carbonate synthesis and their use in the oxidation of hydrocarbons gases.
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Appendix
Available only for authorised users
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Metadata
Title
Controllable synthesis of SrCO3 with different morphologies and their co-catalytic activities for photocatalytic oxidation of hydrocarbon gases over TiO2
Authors
Wei Zhang
Ying Yu
Zhiguo Yi
Publication date
10-01-2017
Publisher
Springer US
Published in
Journal of Materials Science / Issue 9/2017
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-017-0748-8

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