Resistivity study of polyaniline doped with protonic acids
作者： Yunze Long , Zhaojia Chen , Nanlin Wang , Zhiming Zhang , Meixiang Wan
DOI: 10.1016/S0921-4526(02)01526-0
关键词: Dodecylbenzene 、 Temperature coefficient 、 Electrical resistivity and conductivity 、 Physical chemistry 、 Crystallinity 、 Materials science 、 Dopant 、 Doping 、 Polyaniline 、 Sulfonic acid
摘要: Nanotubular polyaniline (PANI) doped with protonic acids have been synthesized by a "template-free" method. The temperature dependence of resistivity and the influences doping concentration, dopant, morphology crystallinity studied. A model has proposed to explain T-1/2 resistivity. Porous PANI-CSA (camphor sulfonic acid) PANI-DBSA (dodecylbenzene composite films also investigated, we suggested new equation rho(T) = rho(1)exp(T-0/T)(1/4) + rho(2)(T/T-0)(2) interpret transition from negative coefficient (TCR) positive TCR. (C) 2002 Elsevier Science B.V. All rights reserved.
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