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Terpyridine-Containing Imine-Rich Graphene for the Oxygen Reduction Reaction

Department of Industrial Chemistry, Pukyong National University, Busan 48547, Korea
Department of Organic Material Science and Engineering, Pusan National University, Busan 46241, Korea
Author to whom correspondence should be addressed.
Catalysts 2017, 7(11), 338;
Received: 18 October 2017 / Revised: 6 November 2017 / Accepted: 7 November 2017 / Published: 10 November 2017
(This article belongs to the Special Issue Advances in Electrocatalysis)
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We report a facile synthetic method for the preparation of a terpyridine-containing imine-rich graphene (IrGO-Tpy) using an acid-catalyzed dehydration reaction between graphene oxide (GO) and 4′-(aminophenyl)-2,2′:6′2″-terpyridine. Owing to the presence of terpyridine ligands, cobalt ions (Co2+) were readily incorporated into the IrGO-Tpy structures, affording a metal complex, denoted IrGo-Tpy-Co. Cyclic voltammetry and linear sweep voltammetry measurements confirm the noticeable oxygen reduction reaction (ORR) activities of the IrGo-Tpy and IrGo-Tpy-Co electroacatalysts in alkaline electrolytes, along with the additional merits of high selectivity, excellent long-term durability, and good resistance to methanol crossover. In addition, a remarkable improvement in the ORR performance was observed for IrGO-Tpy-Co compared with that of IrGo-Tpy, arising from the significant contribution of the cobalt-terpyridine complex in facilitating the ORR process. View Full-Text
Keywords: terpyridine; imine-rich graphene; oxygen reduction reaction; electrocatalyst; cobalt-terpyridine complex terpyridine; imine-rich graphene; oxygen reduction reaction; electrocatalyst; cobalt-terpyridine complex

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Lee, M.S.; Yang, M.H.; Park, J.S.; Chang, D.W. Terpyridine-Containing Imine-Rich Graphene for the Oxygen Reduction Reaction. Catalysts 2017, 7, 338.

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