期刊
CHEMSUSCHEM
卷 10, 期 22, 页码 4447-4450出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201701467
关键词
CO2 reduction; photocatalysis; porphyrins; renewable energy; solar fuels
资金
- China Scholarship Council [201507040033]
An iron-substituted tetraphenyl porphyrin bearing positively charged trimethylammonio groups at the para position of each phenyl ring catalyzes the photoinduced conversion of CO2. This complex is water soluble and acts as a molecular catalyst to selectively reduce CO2 into CO under visible-light irradiation in aqueous solutions (acetonitrile/water=1: 9 v/v) with the assistance of purpurin, a simple organic photosensitizer. CO is produced with a catalytic selectivity of 95% and turnover number up to 120, illustrating the possibility of photocatalyzing the reduction of CO2 in aqueous solution by using visible light, a simple organic sensitizer coupled to an amine as a sacrificial electron donor, and an earth-abundant metal-based molecular catalyst.
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