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 |
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Pages (from-to) | 107-111 |
Number of pages | 5 |
Journal | Catalysis Today |
Volume | 260 |
DOIs | |
Publication status | Published - 2016 Feb 1 |
Bibliographical note
Funding Information:“This work was supported by the program of the Korea Institute of Science and Technology (KIST) and also supported by the Korea Center for Artificial Photosynthesis (KCAP) located in Sogang University funded by the Minister of Science, ICT and Future Planning (MSIP) through the National Research Foundation of Korea (No. 2014M1A2A2070004 )”.
Publisher Copyright:
© 2015 Elsevier B.V. All rights reserved.
Keywords
- CO electro-reduction
- E-beam deposition
- Gold catalysts
ASJC Scopus subject areas
- Catalysis
- General Chemistry