Mechanistic insights into the formation of porous carbons from gelatin

A. E. Danks; M. J. Hollamby; B. Hammouda; D. C. Fletcher; F. Johnston-Banks; S. E. Rogers; Z. Schnepp

doi:10.1039/C6TA10517C

Mechanistic insights into the formation of porous carbons from gelatin†

A. E. Danks,^a M. J. Hollamby,

^b B. Hammouda,^c D. C. Fletcher,^a F. Johnston-Banks,^d S. E. Rogers^e and Z. Schnepp

*^a

Author affiliations

* Corresponding authors

^a School of Chemistry, University of Birmingham, UK
E-mail: z.schnepp@bham.ac.uk

^b School of Chemical and Physical Sciences, Keele University, UK

^c NIST, 100 Bureau Drive, Gaithersburg, MD, USA

^d Healan Ingredients Ltd, Market Weighton, York, UK

^e ISIS Neutron and Muon Source, Didcot, UK

Abstract

Porous carbons are important for many energy applications. The biopolymer gelatin provides a simple and sustainable route to functional carbon foams with multimodal porosity. In this paper, small angle neutron scattering is applied alongside other techniques to elucidate the mechanism of formation of these foams. Analysis of the data demonstrates that combinations of different metal nitrates can be used to control foam macrostructure. Synergistic interaction of metal ions with the gelatin polypeptide changes the viscoelastic properties and thus controls foam formation.

This article is part of the themed collections: Celebrating Excellence in Research: Women of Materials Science, 2017 Journal of Materials Chemistry A HOT Papers and Journal of Materials Chemistry A Emerging Investigators

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DOI: https://doi.org/10.1039/C6TA10517C
Article type: Paper
Submitted: 07 Tsh 2016
Accepted: 05 Phe 2017
First published: 05 Phe 2017
This article is Open Access

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J. Mater. Chem. A, 2017,5, 11644-11651

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Mechanistic insights into the formation of porous carbons from gelatin

A. E. Danks, M. J. Hollamby, B. Hammouda, D. C. Fletcher, F. Johnston-Banks, S. E. Rogers and Z. Schnepp, J. Mater. Chem. A, 2017, 5, 11644 DOI: 10.1039/C6TA10517C

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Journal of Materials Chemistry A

Mechanistic insights into the formation of porous carbons from gelatin†

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Mechanistic insights into the formation of porous carbons from gelatin

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