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Shin, Tae Joo
UNIST Synchrotron Radiation Research Laboratory
Research Interests
  • Synchrotron Radiation Application Researches

Precise orientation control of a liquid crystal organic semiconductor via anisotropic surface treatment

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dc.contributor.author Han, Moon Jong ko
dc.contributor.author Wei, Dayan ko
dc.contributor.author Yun, Hee Seong ko
dc.contributor.author Lee, Seong-hun ko
dc.contributor.author Ahn, Hyungju ko
dc.contributor.author Walba, David M. ko
dc.contributor.author Shin, Tae Joo ko
dc.contributor.author Yoon, Dong Ki ko
dc.date.available 2022-05-16T02:36:39Z -
dc.date.created 2022-04-21 ko
dc.date.issued 2022-12 ko
dc.identifier.citation NPG ASIA MATERIALS, v.14, no.1, pp.28 ko
dc.identifier.issn 1884-4049 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/58420 -
dc.description.abstract We report a three-dimensional (3D) molecular orientation control of a liquid crystal organic semiconductor (LC-OSC) based on the long-range ordering characteristic of an LC material. To this end, a synthetic LC-OSC molecule, MeOPh-BTBT-C8, with a fluidic nematic (N) phase that is essential for alignment control over a large area and a smectic E (SmE) phase showing high ordering, was prepared. A simple flipping of a sandwich cell made of the LC-OSC material between the top and bottom substrates that have uniaxial-planar degenerated alignment as well as crossed rubbing directions responds to the given surface anchoring condition and temperature gradient. Optical observation of the alignment-controlled LC-OSC was carried out by polarized optical microscopy (POM), and the corresponding charge carrier mobility was also measured by fabricating organic field-effect transistors (OFETs). Our platform offers a facile approach for multidirectional and multifunctional organic electronic devices using the stimulus-response characteristics of LC materials. ko
dc.language 영어 ko
dc.publisher NATURE PORTFOLIO ko
dc.title Precise orientation control of a liquid crystal organic semiconductor via anisotropic surface treatment ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85127494450 ko
dc.identifier.wosid 000776990800002 ko
dc.type.rims ART ko
dc.identifier.doi 10.1038/s41427-022-00377-5 ko
dc.identifier.url https://www.nature.com/articles/s41427-022-00377-5 ko
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