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Issue 57, 2018
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Heterojunctions of silver–iron oxide on graphene for laser-coupled oxygen reduction reactions

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Abstract

We report a two-step hybridization of N-doped graphene and Ag-decorated Fe2O3 hematite to realize a balanced oxygen adsorption/desorption equilibrium and a laser-coupled ORR (LORR). The stable plateau currents with n values of 3.9 in a wide potential range (0.2–0.7 V) and 7.5% peroxide inhibition of the LORR are found to be directly associated with the Ag/Fe2O3 heterojunction, where interactions of semiconductor band gap excitation and plasmonic resonance-induced hot electrons are proposed to occur.

Graphical abstract: Heterojunctions of silver–iron oxide on graphene for laser-coupled oxygen reduction reactions

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Article information


Submitted
18 Apr 2018
Accepted
21 May 2018
First published
21 May 2018

Chem. Commun., 2018,54, 7900-7903
Article type
Communication

Heterojunctions of silver–iron oxide on graphene for laser-coupled oxygen reduction reactions

W. Chen, M. Chung, J. A. A. Valinton, D. P. Penaloza, S. Chuang and C. Chen, Chem. Commun., 2018, 54, 7900
DOI: 10.1039/C8CC03136C

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