Electronic transport in self-organizing columnar phases

Irina Shiyanovskaya, Kenneth D. Singer, Virgil Percec, T. K. Bera, Y. Miura, Martin Glodde

研究成果: Contribution to journalConference article

2 引用 (Scopus)

抜粋

This paper presents measurements of time-of-flight charge carrier mobility and thermal optical polarized microscopy on a new class of columnar liquid crystals (LC) self-organized into hexagonal columnar mesophase (Φ h) self-assembled from functionalized dendrons. We discuss the temperature and electric field-independent high hole mobility of 1 - 3.5 × 10-3 cm2/Vs. The anomalous temperature behavior of the mobility is consistent with polaron transport mechanisms. Studies of time-of-flight transients, which reveal evidence for dynamic defects with lifetimes in the range of 10-6 s, are presented as aspects of charge generation and recombination kinetics. We demonstrate the enhancement of electron transport in acene-based dendron LCs by doping with TNF-based dendron molecules.

元の言語英語
ページ(範囲)242-252
ページ数11
ジャーナルProceedings of SPIE - The International Society for Optical Engineering
4991
DOI
出版物ステータス出版済み - 11 27 2003
外部発表Yes
イベントPROCEEDINGS OF SPIE SPIE - The International Society for Optical Engineering: Organic Photonic Materials and Devices V - San Jose, CA, 米国
継続期間: 1 27 20031 30 2003

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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