Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 139, Issue 11, Pages 3934-3937Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.6b12530
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Funding
- Indiana University
- National Science Foundation [CHE-1266154, CBET-1610712]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1266154] Funding Source: National Science Foundation
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Improving energy efficiency of electrocatalytic and photocatalytic CO2 conversion to useful chemicals poses a significant scientific challenge. We report on using a colloidal nanographene to form a Molecular complex with a metal ion to tackle this challenge. In this work, a well-defined nanographene Re complex was synthesized, in which electron delocalization over the nanographene and the metal ion significantly decreases the electrical potential needed to drive the chemical reduction. We show the complex can selectively electrocatalyze CO2 reduction to CO in tetrahydrofuran at -0.48 V vs NHE, the least negative, potential reported for a molecular catalyst. In addition, the complex can absorb a significant spectrum of visible, light to photocatalyze the chemical transformation mahout the need for a photosensitizer.
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