Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 140, Issue 24, Pages 7437-7440Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.8b04007
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Funding
- CREST Molecular Technology Project (Japan Science and Technology Agency) [JPMJCR13L1]
- JSPS-KAKENHI [JP16H06130, JP16H06441]
- Hong Kong University Grants Committee Area of Excellence Scheme [AoE/P-03-08]
- National Science Foundation of China [21703034]
- Institut Universitaire de France (IUF)
- French National Agency for Research [ANR-16-CE05-0010-01]
- Universite Sorbonne Paris Cite (USPC)
- Japan Society for the Promotion of Science [JP17J03705]
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Efficient and selective photostimulated CO2-to-CO reduction by a photocatalytic system consisting of an iron-complex catalyst and a mesoporous graphitic carbon nitride (mpg-C3N4) redox photosensitizer is reported for the first time. Irradiation in the visible region (lambda >= 400 nm) of an CH3CN/triethanolamine (4:1, v/v) solution containing [Fe(qpy)(H2O)(2)](2+) (qpy = 2,2':6',2 '':6 '',2 ''-quaterpyridine) and mpg-C3N4 resulted in CO evolution with 97% selectivity, a turnover number of 155, and an apparent quantum yield of ca. 4.2%. This hybrid catalytic system, comprising only earth abundant elements, opens new perspectives for solar fuels production using CO2 as a renewable feedstock
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