Gold catalyst reactivity for CO2 electro-reduction: From nano particle to layer

Eduardus Budi Nursanto; Hyo Sang Jeon; Cheonghee Kim; Michael Shincheon Jee; Jai Hyun Koh; Yun Jeong Hwang; Byoung Koun Min

doi:10.1016/j.cattod.2015.05.017

Gold catalyst reactivity for CO₂ electro-reduction: From nano particle to layer

Eduardus Budi Nursanto, Hyo Sang Jeon, Cheonghee Kim, Michael Shincheon Jee, Jai Hyun Koh, Yun Jeong Hwang, Byoung Koun Min

GREEN SCHOOL (Graduate School of Energy and Environment)

Research output: Contribution to journal › Article

37 Citations (Scopus)

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).

Original language	English
Pages (from-to)	107-111
Number of pages	5
Journal	Catalysis Today
Volume	260
DOIs	https://doi.org/10.1016/j.cattod.2015.05.017
Publication status	Published - 2016 Feb 1

Keywords

CO electro-reduction
E-beam deposition
Gold catalysts

ASJC Scopus subject areas

Catalysis
Chemistry(all)

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Nursanto, E. B., Jeon, H. S., Kim, C., Jee, M. S., Koh, J. H., Hwang, Y. J., & Min, B. K. (2016). Gold catalyst reactivity for CO₂ electro-reduction: From nano particle to layer. Catalysis Today, 260, 107-111. https://doi.org/10.1016/j.cattod.2015.05.017

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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).",

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AU - Nursanto, Eduardus Budi

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AU - Koh, Jai Hyun

AU - Hwang, Yun Jeong

AU - Min, Byoung Koun

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AB - 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).

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