Published in

Nature Research, Nature Communications, 1(8), 2017

DOI: 10.1038/ncomms13592

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Synthesis of single-crystal-like nanoporous carbon membranes and their application in overall water splitting

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

AbstractNanoporous graphitic carbon membranes with defined chemical composition and pore architecture are novel nanomaterials that are actively pursued. Compared with easy-to-make porous carbon powders that dominate the porous carbon research and applications in energy generation/conversion and environmental remediation, porous carbon membranes are synthetically more challenging though rather appealing from an application perspective due to their structural integrity, interconnectivity and purity. Here we report a simple bottom–up approach to fabricate large-size, freestanding and porous carbon membranes that feature an unusual single-crystal-like graphitic order and hierarchical pore architecture plus favourable nitrogen doping. When loaded with cobalt nanoparticles, such carbon membranes serve as high-performance carbon-based non-noble metal electrocatalyst for overall water splitting.