Issue 15, 2018

1D N-doped hierarchically porous hollow carbon tubes derived from a supramolecular template as metal-free electrocatalysts for a highly efficient oxygen reduction reaction

Abstract

For the first time, a supramolecular template-derived synthesis approach is reported to fabricate 1D nitrogen-doped hollow carbon tubes (h-NCTs) with a hierarchical micro/mesoporous structure. A melamine cyanurate supramolecular assembly is used as the tubular-structure guiding template and nitrogen source, endowing the obtained h-NCTs catalyst with proliferative catalytic active sites, a high surface area as well as a well-defined multiscale pore system. The sample prepared at 900 °C (h-NCT-900) displays an exceptional half-wave potential of 0.86 V versus RHE, which is one of the best values recorded in the literature for a metal-free electrocatalyst.

Graphical abstract: 1D N-doped hierarchically porous hollow carbon tubes derived from a supramolecular template as metal-free electrocatalysts for a highly efficient oxygen reduction reaction

Supplementary files

Article information

Article type
Communication
Submitted
07 fev 2018
Accepted
12 mar 2018
First published
14 mar 2018

J. Mater. Chem. A, 2018,6, 6212-6219

1D N-doped hierarchically porous hollow carbon tubes derived from a supramolecular template as metal-free electrocatalysts for a highly efficient oxygen reduction reaction

L. Zhao, X. Sui, Q. Zhou, J. Li, J. Zhang, G. Huang and Z. Wang, J. Mater. Chem. A, 2018, 6, 6212 DOI: 10.1039/C8TA01296B

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