期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 6, 期 1, 页码 82-87出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.7b03272
关键词
TiO2 NTs; Fe2O3; CO2; Photoeletrochemical conversion of CO2; Selectivity; HCOOH; CH3CH2OH
资金
- National Natural Science Foundation of China [21476046, 21306022, 51490650]
- Science Fund for Distinguished Young Scholars of Heilongjiang Province of China [JC2017002]
- China Postdoctoral Science Foundation [2013M540269]
- Innovative Team of Science and Technology in Heilongjiang Higher Education Institutes [2013TD004]
- Northeast Petroleum University [SJQHB201602, YJSCX2016-018 NEPU]
Harvesting solar energy and converting excess carbon dioxide (CO2) in the atmosphere into energetic products hold promise in addressing both problems of detrimental energy use and serious greenhouse gas effects. Catalytic activity and selectivity were the most important aspects of this investigation. Herein, an N-Fe2O3/TiO2 catalyst was reported as well as the development of a customized method for regulating the catalytic properties and mechanism for CO, reduction. This method enabled elevated electron transfer and regulated formation of target products (formic acid and ethanol) and control of the specific product proportions. Under optimal photoelectrochemical selective conditions, the maximal rate of formic acid production reached 74896.13 nmol h(-1) cm(-2) with a selectivity of 99.89%. Such a catalyst and controlled artificial methods can ensure catalyst selectivity and activity and offer potential applications in the production of useful chemicals from CO2 carbon feedstock.
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