Hybrid MnO/C nanorod arrays derived from a MOF precursor with enhanced oxygen evolution activity

Hybrid MnO/C nanorod arrays derived from a MOF precursor with enhanced oxygen evolution activity We have successfully synthesized MnO/C nanorod arrays which is the first report of MnO/C nanoarrays derived from Mn-MOFs nanoarrays as precursor, and the contents of C are dependent on the temperature of calcinations of MOFs. The MnO/C-350 nanorod array electrode materials exhibit excellent electrocatalytic performances for oxygen evolution reaction; only a small over-potential of 329 mV versus RHE is needed for a current density of 20 mA cm−2 with a Tafel slope of 70.02 mV dec−1, and the material of MnO/C nanoarrays are superior to all reported MnO catalysts. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Materials Science Springer Journals

Hybrid MnO/C nanorod arrays derived from a MOF precursor with enhanced oxygen evolution activity

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Materials Science; Materials Science, general; Characterization and Evaluation of Materials; Polymer Sciences; Continuum Mechanics and Mechanics of Materials; Crystallography and Scattering Methods; Classical Mechanics
ISSN
0022-2461
eISSN
1573-4803
D.O.I.
10.1007/s10853-018-2426-x
Publisher site
See Article on Publisher Site

Abstract

We have successfully synthesized MnO/C nanorod arrays which is the first report of MnO/C nanoarrays derived from Mn-MOFs nanoarrays as precursor, and the contents of C are dependent on the temperature of calcinations of MOFs. The MnO/C-350 nanorod array electrode materials exhibit excellent electrocatalytic performances for oxygen evolution reaction; only a small over-potential of 329 mV versus RHE is needed for a current density of 20 mA cm−2 with a Tafel slope of 70.02 mV dec−1, and the material of MnO/C nanoarrays are superior to all reported MnO catalysts.

Journal

Journal of Materials ScienceSpringer Journals

Published: May 22, 2018

References

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