Issue 12, 2012

Highly porous gallium oxide with a high CO2 affinity for the photocatalytic conversion of carbon dioxide into methane

Abstract

Highly porous gallium oxide was synthesized by reconstructing its surface and body with mesopores and macropores. For the first time, the efficient photocatalytic conversion of CO2 into a high energy carrier, CH4, using the porous gallium oxide was realized without any co-particle or sacrificial reagent. The enhanced photocatalytic activity is mainly attributed to the 300% higher CO2 adsorption capacity, as well as the 200% increased surface area, compared to the bulk nanoparticles. Furthermore, we propose the new reaction pathway based on the result that the carbon dioxide was converted directly into methane without going through carbon monoxide intermediates.

Graphical abstract: Highly porous gallium oxide with a high CO2 affinity for the photocatalytic conversion of carbon dioxide into methane

Supplementary files

Article information

Article type
Communication
Submitted
17 Jan 2012
Accepted
03 Feb 2012
First published
03 Feb 2012

J. Mater. Chem., 2012,22, 5304-5307

Highly porous gallium oxide with a high CO2 affinity for the photocatalytic conversion of carbon dioxide into methane

H. Park, J. H. Choi, K. M. Choi, D. K. Lee and J. K. Kang, J. Mater. Chem., 2012, 22, 5304 DOI: 10.1039/C2JM30337J

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