Open Access Conference Proceedings

The main purpose of this work is to explore the possibilities of preparing conducting composite containing graphite or graphene from anilinium/montmorillonite intercalates. The use of only a precursor (without polymerization) is a fundamental difference compared to earlier research devoted to the preparation of graphite/graphene-silicate composites from polyaniline/montmorillonite intercalates. Therefore, the preparation procedure tested in this study represents another way to obtain an electrically conductive material, the electrically conductive component of which is formed in situ. Four different concentrations of anilinium sulfate solution were used to prepare these intercalates (0.2M; 0.4M; 0.6M; 0.8M). Montmorillonite was added to these solutions, and after 7 days of intercalation, the solutions were filtered and the resulting intercalates were dried. From each sample, one tablet was pressed, and the electrical conductivity of these tablets was measured before and after their calcination in argon atmosphere at 1300 °C. Electrical conductivity of the calcined samples crushed to powder was also measured. For the analysis of uncalcined samples, X-ray diffraction analysis was used. Calcined samples were analyzed using X-ray diffraction analysis and Raman spectroscopy. These analyses in combination with electrical conductivity measurements revealed that conducting composite can be prepared using the method described above.

Keywords: Graphite, montmorillonite, anilinium sulfate, electrical conductivity, calcination

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