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The dielectric properties of copper phthalocyanine-3, 4′, 4″, 4‴-tetrasulfonic acid tetrasodium salt (CuPc_TS) and copper phthalocyanine octacarboxylic acid (CuPc*) were investigated from 20Hz to 1MHz with relative humidity from 0 to 75%. A dielectric constant >10 6 was found at 1kHz and 20% humidity for the modified copper phthalocyanines. Humidity increases the dielectric constant, which...
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