One-dimensional electronic conductivity in discotic liquid crystals
作者： N. Boden , R.J. Bushby , J. Clements , M.V. Jesudason , P.F. Knowles
DOI: 10.1016/0009-2614(88)87334-2
关键词: Columnar phase 、 Condensed matter physics 、 Mesogen 、 Triphenylene 、 Liquid crystal 、 Discotic liquid crystal 、 Stereochemistry 、 Doping 、 Anisotropy 、 Thermal conduction 、 Chemistry 、 Physical and Theoretical Chemistry 、 General Physics and Astronomy
摘要: Abstract The discotic mesogen 2,3,6,7,10,11-hexa-hexyloxytriphenylene (HAT6) forms a columnar hexagonal phase which is an electrical insulator. Doping with 1 mol% of the Lewis acid AlCl 3 converts it to p-type semiconductor preferred direction conduction being along axes columns. conductivity envisaged arise from migration positive holes created in π-electron band triphenylene stack. behaviour established by measurements, show anisotropy, and ESR lineshapes are consistent Dyson's theory resonance absorption electrons.
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