Aniline- and N,N-dimethylformamide-assisted processing route for graphite nanoplates: intercalation and exfoliation pathway
- Aniline- and N,N-dimethylformamide-assisted processing route for graphite nanoplates: intercalation and exfoliation pathway
- Chellachamy A. Amarn; Chang Eui Hong; 김남훈; 구본철; 이중희
- Graphite nanoplates; XPS; Carbon materials; Intercalation; Exfoliation
- Issue Date
- Materials letters
- VOL 65, NO 9, 1371-1374
- 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
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