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Proceedings Paper

Oxygen electro-reduction catalysts for self-assembly on supports
Author(s): Jennifer Dougan; Raquel Panton; Qiling Cheng; Don F. Gervasio
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Paper Abstract

A new strategy for making low cost, catalytic electrodes is being developed for fuel-cells and electrochemical sensors. The strategy is to synthesize a macrocyclic catalyst derivatized with a functional group (like phosphate or carboxylate), which has affinity for a metal-oxide/metal surface. The purpose of the functional group is to anchor the modified catalyst to the metal surface, thereby promoting the formation of a self-assembled monolayer (SAM) of catalyst on a metal support. Syntheses are given for new ferrocene compounds and metallo porphyrins with anchor groups. The ferrocenes, which are relatively easy to synthesize, were made to learn how to form a stable SAM on a metal-oxide/metal surface. The metallo porphyrins were made for catalyzing oxygen electro-reduction with no platinum. Strategies for attaining an ideal catalytic electrode are discussed.

Paper Details

Date Published: 19 January 2005
PDF: 21 pages
Proc. SPIE 5592, Nanofabrication: Technologies, Devices, and Applications, (19 January 2005); doi: 10.1117/12.571378
Show Author Affiliations
Jennifer Dougan, Arizona State Univ. (United States)
Raquel Panton, Arizona State Univ. (United States)
Qiling Cheng, Arizona State Univ. (United States)
Don F. Gervasio, Arizona State Univ. (United States)

Published in SPIE Proceedings Vol. 5592:
Nanofabrication: Technologies, Devices, and Applications
Warren Y-C. Lai; Stanley Pau; O. Daniel Lopez, Editor(s)

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