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ACS Nano. 2013 Mar 26;7(3):2669-75. doi: 10.1021/nn400054t. Epub 2013 Feb 19.

Functionalized graphene nanoribbons via anionic polymerization initiated by alkali metal-intercalated carbon nanotubes.

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  • 1Department of Chemistry, Rice University, 6100 Main Street, Houston, Texas 77005, United States.

Abstract

The preparation of polymer-functionalized graphene nanoribbons (PF-GNRs) in a one-pot synthesis is described. Multiwalled carbon nanotubes (MWCNTs) were intercalated by potassium under vapor- or liquid-phase conditions, followed by the addition of vinyl or epoxide monomers, resulting in PF-GNRs. Scanning electron microscopy, thermogravimetric mass spectrometry, and X-ray photoelectron spectroscopy were used to characterize the PF-GNRs. Also explored here is the correlation between the splitting of MWCNTs, the intrinsic properties of the intercalants and the degree of defects and graphitization of the starting MWCNTs. The PF-GNRs could have applications in conductive composites, transparent electrodes, heat circuits, and supercapacitors.

PMID:
23390896
DOI:
10.1021/nn400054t
[PubMed]
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