| 학회 |
한국공업화학회 |
| 학술대회 |
2018년 봄 (05/02 ~ 05/04, 대구 엑스코(EXCO)) |
| 권호 |
22권 1호 |
| 발표분야 |
우수외국인연구자세션 |
| 제목 |
Toward an effective control of the H2 to CO ratio in the electroreduction of CO2 over Titanate Nanosheets incorporating Au Nanoparticles |
| 초록 |
The electroreduction of CO2 has emerged as a rational answer to uprising CO2 emissions and a strategy to incorporate renewable electricity into the global energy supply. In particular, CO2RR to CO has been highlighted in the industrial conversion of syngas (H2 and CO) to fuels through subsequent technologies. Here we report for the first time a strategy to tune the H2 to CO ratio by facile composition control of the components of a rationally designed binary nanostructure. By adjusting the loading of Au nanoparticles immobilized on ultra-thin titanate nanosheets in a 0 to 93 wt.% range, the CO Faradaic efficiency balanced by exclusive H2 formation could be effectively varied in a 3 to 80% range. A variation of the electronic properties of these nanostructures, corroborated by XPS characterization, was proposed to dictate the stabilization of formed reaction intermediates and subsequent product selectivity. |
| 저자 |
Filipe Marques Mota1, Dang Nguyen2, 이지은1, Huiyan Piao1, Jin-Ho Choy1, 황윤정2, 김동하1
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| 소속 |
1이화여자대, 2KIST |
| 키워드 |
CO2RR; Electrocatalysis; CO Production
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| E-Mail |
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