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Photoelectric Property of Polyaniline Doped with organic Sulphonic Acid

Semiconductor Photonics and Technology 1999年第2期5卷 119-124页

作者： FENG Wei,WANG Hui, ZHENG Jian-bang, LI Cheng-quan,WEI Wei, WU Hong-cai (School of Electron. & Inform. Eng., Xi’an Jiaotong University, Xi’an 710049,CHN) 西安交通大学电信学院陕西西安

Photoelectric property of polyaniline doped with dodecyl-benzene sulphonic acid (DBSA) is studied. The result shows that the concentration of carrier increases obviously, when polyaniline doped with DBSA is irradiated with light. Mixture of sensitive material is advantageous to the absorption of polyaniline in visible light spectrum, and the conductivity is also improved. The results of dielectric measurements on polyaniline doped with DBSA in an Al-PAn-DBSA-Al configuration as function of frequency and temperature are reported. The space-charge polarization phenomenon is observed. Carrier lifetime is microsecond magnitude and mobility is (0.001～0.1) cm 2/V·s, which are obtained by calculation or experiment. The active energy is obtained from the relation between conductivity and temperature. The conducting mechanism of PAn-DBSA is analyzed.

关键词： Dielectric Relaxation,Doping,Photoelectric Functional Material, Polyaniline, Sensitive Dye CLC number:o 631.23 o 632.7 TN304.52 Document code:A

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Influence on Conductivity of Polyparaphenylene by Chemical Doping and Ion Implantation

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Semiconductor Photonics and Technology 1999年第2期5卷 114-118页

作者： WANG Hui, WU Hong-cai (School of Electron. & Inform. Eng., Xi’an Jiaotong University, Xi’an 710049,CHN)

Polyparaphenylene(PPP) is prepared by AlCl 3-CuCl 2 catalysts with benzene as the monomer and is doped by chemical method and N + ion implantation. The influences of the concentration, temperature and time of chemical doping and the dose, energy and temperature of ion implantation, on PPP conductivity are investigated. The results showed that the conductivity of PPP can be improved 4～5 orders of magnitude by ion implantation and the conductivity of PPP can reach about 0.11 S·cm -1 by chemical doping. The comparison of stability of the material conductive behavior by using the two doping methods is presented. It shows that ion implantation is better than chemical doping in stabilizing the electric conductive behavior for the material.

关键词： Conducting Polymers, Ion Implantation, Polyparaphenylene CLC number:o 631.23 o 632.7 TN304.52 Document code:A

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