e-Journal of Surface Science and Nanotechnology
Online ISSN : 1348-0391
Conference -ISSS-8-
Stability of Layered Rhodium Octaethylporphyrin in Water Studied by Atomic Force Microscopy
Yasushi MaedaKohei TadaShin-ichi Yamazaki
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2018 Volume 16 Pages 253-256

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Abstract

Rhodium porphyrin complexes deposited on carbon support exhibit high activity for electrochemical CO oxidation. As such, they are good candidates for CO-tolerant catalysts in polymer electrolyte fuel cells. For the practical use of rhodium porphyrin complexes, however, their stability in water is of paramount importance. In this study, rhodium (III) octaethylporphyrin chloride was deposited on a highly oriented pyrolytic graphite substrate and observed by atomic force microscopy before and after water treatment. Although treatment with water changed the surface structure of RhOEP/HOPG, the face-on RhOEP layer remained intact. [DOI: 10.1380/ejssnt.2018.253]

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