Electrical and Thermal Behavior of Copper-Epoxy Nanocomposites Prepared via Aqueous to Organic Phase Transfer Technique

Table 2

Absorbance of C–N (≈1100 cm⁻¹), benzene (≈1608 cm⁻¹), hydroxyl (3200 cm⁻¹), oxirane (915 cm⁻¹), and the respective peak ratios of hydroxyl and oxirane to benzene.

	C–N	Benzene ring	Hydroxyl group	Oxirane group	Ratio; (OH/ benzene)	Ratio; (Oxirane/ benzene)	Ratio; (C–N/benzene)	Spectrum in Figure 4
Neat epoxy	—	85	47	82	0.55	0.96	—	(a)
MDA	48	67	—	—	—	—	0.72	(b)
Cured epoxy/MDA	69	69	50	—	0.72	—	1.00	(c)
Cured Cu with epoxy/MDA	61	56	42	—	0.75	—	1.09	(d)