Morphology and Electrical Conductivity of Carbon Nanocoatings Prepared from Pyrolysed Polymers

Table 1

Mass ratios of polymer precursors to 𝛼-Al₂O₃ applied in the composite precursors preparation and the carbon content in the resulting C/𝛼-Al₂O₃ composites.

Polymer precursor (PP)	PP/𝛼-Al2O3 ratio	Carbon content in C/𝛼-Al2O3, wt%	Carbonization efficiency, wt%
PAN	0.4	1.6	4.0
	0.8	5.1	6.9
	1.2	10.3	9.6
	1.6	20.6	16.3
	2.0	37.2	29.6
PNVF	1.0	6.6	7.0
	1.2	8.1	7.3
	1.4	9.6	7.5
	1.6	11.5	8.1
	2.4	25.3	14.1
	3.2	31.9	14.6
	4.8	47.7	14.7
MPNVF	0.2	2.0	11.7
	0.4	5.6	16.0
	0.6	9.7	18.2
	0.8	13.5	18.7
	1.1	17.4	18.6
	1.8	23.8	17.4
	3.3	40.0	20.0