Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 12, Issue 12, Pages 1749-1751Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2010.10.013
Keywords
Electrocatalysis; CO2 reduction; Pyridine; Bipyridine; Benzimidazole; Polymer
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Two organic polymers based on repeating benzimidazole and pyridine/bipyridine units were synthesized. The polymer based on pyridine was found, upon reduction, to irreversibly react with dissolved CO2 to form an apparently stable product that exhibited stable electrochemical behavior. It is believed that electrochemically-driven carboxylation occurs. A polymer based on bipyridine was found to behave differently, exhibiting large catalytic currents for CO2 reduction in acetonitrile containing 1% H2O. (C) 2010 Elsevier B.V. All rights reserved.
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