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Issue 24, 2017
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Graphene nanoflakes functionalized with cobalt/cobalt oxides formation during cobalt organic framework carbonization

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Abstract

In this contribution, we present the synthesis and carbonization mechanism of metal–organic frameworks (MOFs) based on cobalt and terephthalic acid, with detailed attention to the carbonization mechanism of cobalt-based organic frameworks. The evolution of the unique morphology of carbonized cobalt organic frameworks induced by temperature allows the synthesis of a hybrid of multi-layered carbon structures with metal and metal oxide nanoparticles placed between them. The formation of various phases and diameter distributions of cobalt nanoparticles resulted in the partial degradation of carbon structure and exfoliation. Presented data describe the connection between cobalt particle oxidation and carboreduction with the phenomenon of metal particle agglomeration. The presented study allows us to select carbonization conditions in order to obtain the desired cobalt crystalline structure on the graphene flakes from cobalt-based MOFs.

Graphical abstract: Graphene nanoflakes functionalized with cobalt/cobalt oxides formation during cobalt organic framework carbonization

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Article information


Submitted
23 Mar 2017
Accepted
18 May 2017
First published
18 May 2017

Dalton Trans., 2017,46, 7722-7732
Article type
Paper

Graphene nanoflakes functionalized with cobalt/cobalt oxides formation during cobalt organic framework carbonization

K. Cendrowski, A. Zenderowska, A. Bieganska and E. Mijowska, Dalton Trans., 2017, 46, 7722
DOI: 10.1039/C7DT01048F

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