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Issue 39, 2018
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Hierarchically porous adamantane-shaped carbon nanoframes

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Abstract

Hollow carbons have emerged as a new class of porous carbon materials, showing promise in a variety of areas. However, their morphology has been limited to spherical shapes, with the carbon shell possibly limiting access to their inner surfaces and utilization. Herein, we report a new type of hollow carbon material consisting of non-spherical, adamantane-shaped, hierarchically micro- and macro-porous, N-doped carbon nanoframes (mM-NCs) by exploiting selective etching and pseudomorphic thermal conversion of zeolitic imidazolate framework-8 (ZIF-8). The mM-NCs showed superior performance as adsorbents for large dye molecules and as catalysts for the oxygen reduction reaction relative to macropore-free N-doped carbons, which can be attributed to the presence of macropores, fully utilizable pore surfaces, and nitrogen species.

Graphical abstract: Hierarchically porous adamantane-shaped carbon nanoframes

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Supplementary files

Article information


Submitted
16 Jun 2018
Accepted
05 Aug 2018
First published
06 Aug 2018

J. Mater. Chem. A, 2018,6, 18906-18911
Article type
Paper

Hierarchically porous adamantane-shaped carbon nanoframes

S. Jeoung, I. T. Ju, J. H. Kim, S. H. Joo and H. R. Moon, J. Mater. Chem. A, 2018, 6, 18906
DOI: 10.1039/C8TA05747H

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