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Issue 28, 2020, Issue in Progress
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Facile template-free synthesis of multifunctional 3D cellular carbon from edible rice paper

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Abstract

Edible rice paper wrapper is found to be an interesting precursor of a porous and light-weight carbon material. During pyrolysis, material samples show significant differences in length change, displaying typical 20–25% shrinking in the in-plane directions, and strongly expanding (up to 500%) across their out-of-plane direction. This results in a template-free synthesis of a 3D network of cellular carbon material. The out-of-plane expansion also allows for fabrication of 3D shapes of cellular carbon material from the 2D precursor. The rice paper derived carbon material features a hierarchical porosity, resulting in a specific surface area ranging from 6 m2 g−1 to 239 m2 g−1 depending on the synthesis temperature. The carbon material has a density of 0.02–0.03 g cm−3, and a higher modulus-density ratio than reported for other cellular carbon materials. It is mechanically stiff and exhibits excellent fire-resistant properties.

Graphical abstract: Facile template-free synthesis of multifunctional 3D cellular carbon from edible rice paper

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Supplementary files

Article information


Submitted
14 Feb 2020
Accepted
17 Apr 2020
First published
27 Apr 2020

This article is Open Access

RSC Adv., 2020,10, 16616-16628
Article type
Paper

Facile template-free synthesis of multifunctional 3D cellular carbon from edible rice paper

M. Islam, P. G. Weidler, S. Heissler, D. Mager and J. G. Korvink, RSC Adv., 2020, 10, 16616
DOI: 10.1039/D0RA01447H

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    [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the Centre National de la Recherche Scientifique (CNRS) and the RSC.
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    [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the European Society for Photobiology, the European Photochemistry Association, and RSC.
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    [Original citation] - Published by The Royal Society of Chemistry.

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