Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 138, Issue 8, Pages 2492-2495Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.5b12652
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- Labex MiChem
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Catalysis of fuel-producing reactions can be transferred from homogeneous solution to surface via attachment of the Molecular catalyst. A pyrene-appended iron triphenyl porphyrin;bearing six pendant OH groups on the phenyl rings in all ortho and ortho' positions was immobilized on carbon nanotubes via noncovalent interactions and further deposited on glassy carbon. Xray photoelectron spectroscopy and electrochemistry confirm catalyst immobilization. Using the carbon material, highly selective and rapid catalysis of the reduction of CO2 into CO occurs in water (pH 7.3) with 480 mV overpotential. Catalysis could be sustained for hours without loss of activity and selectivity, and high turnover number was obtained.
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