期刊
CHEMICAL COMMUNICATIONS
卷 54, 期 33, 页码 4116-4119出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8cc00718g
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资金
- National Science Foundation [CHE-1461632]
- Air Force Office of Scientific Research [FA9550-13-1-0020, FA9550-17-0198]
- Internal Research and Technology Development program of the Jet Propulsion Laboratory, California Institute of Technology
- National Aeronautics and Space Administration
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1461632] Funding Source: National Science Foundation
Surface modification of glassy carbon electrodes (GCEs) with molecular electrocatalysts is an important step towards developing more efficient heterogeneous CO2 reduction materials. Here, we report direct anodic electrografting of [Ni(alkynyl-cyclam)](2+) catalysts to the surface of GCEs in one simple step using inexpensive earth-abundant chemicals. When modified, these electrodes show reversible electrochemistry in organic solvents with zero peak-to-peak separations (E = 0) and non-diffusive I (V) profiles that are typical for heterogeneous redox materials. CPE of these electrodes showed enhanced formation of H-2 gas relative to CO compared to homogeneous catalysts.
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