期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 135, 期 38, 页码 14068-14070出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja407816f
关键词
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资金
- National Science Foundation [CHE-1012487]
- Chemical Sciences, Geosciences and Biosciences Division, Office of Basic Energy Sciences, Office of Science, U.S. Department of Energy [DE-FG02-12ER16348]
- McMaster Fellowship
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1418758] Funding Source: National Science Foundation
The Cu(I) metal-to-ligand charge-transfer complex, [Cu(dsbtmp)(2)](+) (dsbtmp = 2,9-di(sec-butyl)-3,4,7,8-tetramethyl-1,10-phenanthroline), exhibits outstanding stability as a visible-light-absorbing photosensitizer in hydrogen-evolving homogeneous photocatalysis. In concert with the Co(dmgH)(2)(py)Cl water reduction catalyst and N,N-dimethyl-p-toluidine sacrificial donor in 1:1 H2O:CH3CN, this Cu(I) sensitizer remains active even after 5 days of visible-light-pumped (lambda(ex) = 452 +/- 10 nm) hydrogen evolution catalysis. Deuteration studies illustrate that the hydrogen produced from this composition does indeed originate from aqueous protons.
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