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Highly polarized electroluminescence in low aspect ratio mesogenic molecules

Title
Highly polarized electroluminescence in low aspect ratio mesogenic molecules
Author
유창재
Keywords
Electroluminescence; photoluminescence; liquid crystal; polarised emission
Issue Date
2019-01
Publisher
TAYLOR & FRANCIS LTD
Citation
LIQUID CRYSTALS, v. 46, NO 7, Page. 1136-1144
Abstract
We have synthesised the low aspect ratio mesogenic compounds containing one fluorene and two biphenyl moieties, and investigate their mesomorphic properties and the resultant aniso- tropic properties in both photoluminescence and electroluminescence. We introduced pentyloxy as a terminal flexible group in order to guarantee formation of mesophase and varied the lateral flexible group from propyl to octyl to control the mesogenic transition temperature. Eventually, in spite of the low aspect ratio mesogen, high polarisation ratio (PR) was achieved by spin-coating of luminescent nematogenic molecules. Furthermore, the PR was significantly enhanced by the additional thermal annealing process.
URI
https://doi.org/10.1080/02678292.2018.1558465https://repository.hanyang.ac.kr/handle/20.500.11754/107719
ISSN
0267-8292; 1366-5855
DOI
10.1080/02678292.2018.1558465
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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