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25 April 2024

» arxiv » 1101.0742

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Lyotropic chromonic liquid crystal semiconductors for water-solution processable organic electronics
V. G. Nazarenko ; O. P. Boiko ; M. I. Anisimov ; A. K. Kadashchuk ; Yu. A. Nastishin ; A. B. Golovin ; O. D. Lavrentovich ;
Date:	4 Jan 2011
Abstract:	We propose lyotropic chromonic liquid crystals (LCLCs) as a distinct class of materials for organic electronics. In water, the chromonic molecules stack on top of each other into elongated aggregates that form orientationally ordered phases. The aligned aggregated structure is preserved when the material is deposited onto a substrate and dried. The dried LCLC films show a strongly anisotropic electric conductivity of semiconductor type. The field-effect carrier mobility measured along the molecular aggregates in unoptimized films of LCLC V20 is 0.03 cm^2 V^(-1) s^(-1). Easy processibility, low cost, and high mobility demonstrate the potential of LCLCs for microelectronic applications.
Source:	arXiv, 1101.0742
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