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129th General Meeting of Korean Chemical Society & Exposition Synthesis of Au-Cu2O Heterostructures as Nanocatalysts for the Electrochemical CO2 Reduction into C2+ Products

Submission Date :
2 / 28 / 2022 , 09 : 57 : 52
Abstract Number :
129022826258
Presenting Type:
Poster Presentation
Presenting Area :
Material Chemistry
Authors :
Minah Kim, Kwangyeol Lee*
Department of Chemistry, Korea University, Korea
Assigned Code :
MAT.P-668 Assigend Code Guideline
Presenting Time :
April 14 (THU) 11:00~13:00
With the ever-growing concerns for pollution and climate change today, necessary steps must be taken to reduce the abundant amount of carbon dioxide in the air and put it into efficient use. Carbon dioxide reduction reaction (CO2RR) has been the key to this issue, where it can produce various essential fuels and feedstocks such as carbon monoxide, methane, methanol, formate, ethylene, and ethanol. However, since carbon dioxide exists as a thermodynamically stable compound, highly active catalysts are required for this electrochemical reaction. Moreover, most attention is leaned towards the production of catalysts capable of producing high-value C2+ products with high selectivity. Herein, we report the synthesis of Au@Cu2O hetero-nanostructures as catalysts for the CO2RR for high-value C2+ products. The prepared Au@Cu2O catalysts exhibit high catalytic performance due to the synergistic effects of Au and Cu. Furthermore, multiple interfaces between Au and Cu on the catalyst are produced by controlling the morphology to increase the enhanced active surface area and catalytic activity.