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Issue 9, 2018
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Single-step rapid synthesis of monolithic mesoporous carbon/graphene aerogels with improved double layer capacitance

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Abstract

Resorcinol (R)–formaldehyde (F) aerogels are a class of organic aerogels pursued for their conversion to carbon aerogels upon pyrolysis at higher temperatures under an inert atmosphere. RF aerogels can be prepared by either acid or base catalysed condensation of resorcinol and formaldehyde via electrophilic aromatic substitution. Recently, RF was used as an interconnect between graphene sheets to form three-dimensional assemblies of graphene aerogels. In this study, we have demonstrated a novel and facile approach to the gelation of an RF network by taking into account the possibility of deprotonation of oxygen functionalities present in graphene oxide (GO). The as-prepared RF/GO gels were carbonized to obtain mesoporous carbon (MC)/graphene (G) aerogels (MCGAs), which exhibit high specific surface area, increased electrical conductivity and specific capacitance on a par with reported graphene aerogels prepared by other synthetic routes.

Graphical abstract: Single-step rapid synthesis of monolithic mesoporous carbon/graphene aerogels with improved double layer capacitance

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Publication details

The article was received on 26 Dec 2017, accepted on 11 Mar 2018 and first published on 12 Mar 2018


Article type: Paper
DOI: 10.1039/C7NJ05077A
Citation: New J. Chem., 2018,42, 7371-7376
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    Single-step rapid synthesis of monolithic mesoporous carbon/graphene aerogels with improved double layer capacitance

    N. Chandrasekaran, V. Premkumar, S. M. Senthil Kumar and R. Ram, New J. Chem., 2018, 42, 7371
    DOI: 10.1039/C7NJ05077A

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