Abstract

This paper reports the conductivities of polyphenylquinoxaline (PPQ) doped with aqueous H 2SO 4. The highest conductivity of doped PPQ is 4.5 × 10 −2S cm −1 obtained by the four-probe method at room temperature. The influence of concentration of aq. H 2SO 4 and doping time on the conductivity of doped PPQ is discussed. The structures of doped and undoped PPQ were confirmed by Fourier-transform infra-red, ultra-violet and X-ray photoelectron spectroscopies, electron spin resonance and elemental analysis. Also, the stability of the conductivity value was examined.

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