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(a) FTIR spectrum of (I) pure CuPc powder, (II) P(VDF-TrFE) UV-cured particles, and (III) P(VDF-TrFE)-CuPc composite UV-cured particles. (b) XRD patterns of (I) P(VDF-TrFE) UV-cured particles, (II) pure CuPc powder, and (III) P(VDF-TrFE)-CuPc composite UV-cured particles. (c) Dielectric constant of the samples with seven concentrations of CuPc with percentages of 0%, 1.31%, 1.75%, 2.6%, 5%, 9.6%, and 13.8% in the range of 1 kHz to 100 kHz.
