Structure and Paramagnetic Properties of Graphene Nanoplatelets Prepared from Biopolymers Using Self-Propagating High-Temperature Synthesis

We propose a novel approach to prepare graphene nanoplatelets from cyclic biopolymers using self-propagating high-temperature synthesis. The synthesized graphene nanoplatelets have micrometer-scale linear sizes and extended specific surface areas (up to 620 m 2 /g). The number of nanoplatelets in a...

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Bibliographic Details
Published inJournal of structural chemistry Vol. 61; no. 5; pp. 826 - 834
Main Authors Vozniakovskii, A. A., Voznyakovskii, A. P., Kidalov, S. V., Osipov, V. Yu
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.05.2020
Springer Nature B.V
Subjects
Atomic
Atomic/Molecular Structure and Spectra
Biopolymers
Chemistry
Chemistry and Materials Science
Graphene
Inorganic Chemistry
Molecular
Optical and Plasma Physics
Physical Chemistry
Self propagating high temperature synthesis
Solid State Physics
Sorbents
glucose
sorbents
self-propagating high-temperature synthesis (SHS)
cellulose
graphene nanoplatelets
cyclic biopolymers
lignin
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Summary:We propose a novel approach to prepare graphene nanoplatelets from cyclic biopolymers using self-propagating high-temperature synthesis. The synthesized graphene nanoplatelets have micrometer-scale linear sizes and extended specific surface areas (up to 620 m 2 /g). The number of nanoplatelets in a stack does not exceed five. The number of structural defects can be estimated by estimating the concentration of paramagnetic spins in graphene nanoplatelets using the EPR method. The properties of synthesized graphene nanoplatelets make them possibly applicable to be used as sorbents.
ISSN:0022-4766
1573-8779
DOI:10.1134/S0022476620050200