Charge carrier transport in conjugated polymers

被引:184
作者
Hertel, D
Bässler, H
Scherf, U
Hörhold, HH
机构
[1] Univ Marburg, Inst Phys Chem, D-35032 Marburg, Germany
[2] Univ Marburg, Ctr Mat Sci, D-35032 Marburg, Germany
[3] Max Planck Inst Polymer Res, D-55128 Mainz, Germany
[4] Univ Jena, Inst Organ & Macromol Chem, D-07743 Jena, Germany
关键词
D O I
10.1063/1.478844
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The charge carrier mobility in a ladder-type poly(paraphenylene) (MeLPPP) and a phenylamino-substituted poly(phenylenevinylene) (PPV) derivative (PAPPV) has been studied in detail by using the time-of-flight (TOF) method. In most cases, the TOF signals feature characteristics of nondispersive charge transport in terms of the disorder formalism, although the transition from nondispersive to the dispersive transport regime was observed in PAPPV. Hole mobilities in the range of 10(-4) to 7 x 10(-3) cm(2)/Vs were obtained, depending on electric field and temperature. The influence of disorder on charge transport of the investigated conjugated polymers is discussed. (C) 1999 American Institute of Physics. [S0021-9606(99)70118-2].
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收藏
页码:9214 / 9222
页数:9
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