Issue 2, 2017

Pyridinic nitrogen-rich carbon nanocapsules from a bioinspired polydopamine derivative for highly efficient electrocatalytic oxygen reduction

Abstract

A bioinspired polydopamine derivative was prepared by self-polymerization of 6-(2-aminoethyl)-3-hydroxypyridin-2(1H)-one (AHPO) in an alkaline aqueous medium. It was used as a precursor to produce nanocapsules of pyridinic N-rich carbon with a desired N doping content by using silica nanoparticles as the template. These N-doped nanocapsules exhibited superior electrocatalytic activity and stability towards the oxygen reduction reaction (ORR), lending an attractive alternative to the Pt catalyst. This work provides an important insight into the rational designing of bioinspired polymers for the development of functional carbon materials with excellent properties.

Graphical abstract: Pyridinic nitrogen-rich carbon nanocapsules from a bioinspired polydopamine derivative for highly efficient electrocatalytic oxygen reduction

Supplementary files

Article information

Article type
Communication
Submitted
27 Nhl 2016
Accepted
28 Huk 2016
First published
29 Huk 2016

J. Mater. Chem. A, 2017,5, 519-523

Pyridinic nitrogen-rich carbon nanocapsules from a bioinspired polydopamine derivative for highly efficient electrocatalytic oxygen reduction

Z. Yi, Z. Zhang, S. Wang and G. Shi, J. Mater. Chem. A, 2017, 5, 519 DOI: 10.1039/C6TA09315A

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