Aniline- and N,N-dimethylformamide-assisted processing route for graphite nanoplates: intercalation and exfoliation pathway

Title
Aniline- and N,N-dimethylformamide-assisted processing route for graphite nanoplates: intercalation and exfoliation pathway
Authors
Chellachamy A. AmarnChang Eui Hong김남훈구본철이중희
Keywords
Graphite nanoplates; XPS; Carbon materials; Intercalation; Exfoliation
Issue Date
2011-05
Publisher
Materials letters
Citation
VOL 65, NO 9, 1371-1374
Abstract
Aniline-intercalated graphite nanoplates (AGNPs) were synthesized directly from graphite via an intercalation and exfoliation pathway using aniline as the intercalating agent and N,N-dimethylformamide (DMF) as the exfoliating agent. Thus, the obtained AGNPs were dispersible in various organic solvents like ethanol, isopropanol, chloroform, and benzene. This process is convenient, readily scalable and eco-friendly. We found that π–π interactions and the charge transfer complex formation between aniline and graphite nanoplates (GNPs) are responsible for the dispersion of AGNPs in organic solvents. The formation of AGNPs was confirmed by transmission electron microscopy (TEM), high-resolution TEM (HRTEM), selected area electron diffraction (SAED), X-ray diffraction (XRD), X-ray photoelectron (XPS), Raman and UV–Visible spectroscopic measurements.
URI
http://pubs.kist.re.kr/handle/201004/39660
ISSN
0167-577X
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KIST Publication > Article
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