Gold catalyst reactivity for CO2electro-reduction: From nano particleto layer

Title
Gold catalyst reactivity for CO2electro-reduction: From nano particleto layer
Authors
에듀아더스전효상김청희지신천고재현황윤정민병권
Keywords
gold; electrocatalyst; sputtering
Issue Date
2016-01
Publisher
Catalysis today
Citation
VOL 260, 107-111
Abstract
CO2 electro-reduction is a promising method for sustainable production of carbon fuels as well as valuable chemicals. Herein, we investigated a direct electro-catalytic CO2 conversion to CO by nanostructured gold catalysts from the small nanoparticles to aggregated clusters to layered film. The selectivity of CO formation was found to increase as the gold amount increased and it reached a saturation point of ∼78% (−0.59 V vs. RHE) at the morphological transition from aggregated cluster to layered film. Furthermore, the ∼4 nm gold nanoparticle exhibited a remarkable CO formation mass activity value at 166.1 A/g (−0.59 V vs. RHE).
URI
http://pubs.kist.re.kr/handle/201004/58225
ISSN
09205861
Appears in Collections:
KIST Publication > Article
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