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. 2012 Dec 5;4(6):531–538. doi: 10.1016/j.jare.2012.09.007

Table 2.

Glass transition temperature Tg, frequency exponent S, crystallization fraction χ%, conductivity, activation energy Edc, and dipole relaxation activation energy ΔH, for PVA/CuI polymer composites.

CuI (wt%) Tg (°C) χ% Edc (eV) S ΔH (eV)
0 174 100 1.24 0.6901 0.33
2.5 – – 1.32 0.3314 –
5 172 95 0.93 0.5923 0.61
7.5 175 94 0.55 0.5348 0.45
10 163 85 0.54 0.5819 0.79
12.5 – – 0.78 0.5309 0.87
15 157 78 0.89 0.5614 –