Bipolar carrier transport in a lamello-columnar mesophase of a sanidic liquid crystal
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DOI: 10.1039/B104289K
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摘要: The lamello-columnar mesophase of a [1]benzothieno[3,2-b][1]benzothiophene-2,7-dicarboxylate (BTBT) derivative has been investigated by means X-rays on an aligned sample. most probable model molecular organisation corresponds to assembly microcolumns made alternatively crossed molecules, within the smectic layers. preliminary investigation time-of-flight technique revealed that exhibits bipolar charge transport, with comparable electron and hole mobility values in order 2 × 10−3 cm2 V−1 s−1. high obtained for this disordered phase can be explained improved π-overlap between sandwich-like packed aromatic moieties short-range columnar stackings.
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