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학술지 Highly Polarized Light Emission from Uniaxially Aligned Thin Films of Biphenyl/Thienothiophene Co-oligomer
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저자
노용영, 김동유, Masahiro Misaki, Kiyoshi Yase
발행일
200809
출처
Thin Solid Films, v.516 no.21, pp.7505-7510
ISSN
0040-6090
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.tsf.2008.04.082
협약과제
08MC4100, 개별물품 단위 응용을 위한 차세대 RFID 기술 개발, 채종석
초록
Polarized light emission has various potential uses in electro-optic applications such as providing backlighting for liquid crystal displays without a loss of brightness. This study examined the highly polarized light emission of a thienothiophene-based oligomer, 2,5-bis-(4-biphenylyl)-thieno[3,2-b]thiophene (BPTT), deposited on a friction-transferred polymer film. The BPTT film showed a high polarization ratio of more than 6 by alignment of the backbone of the molecule along the friction-transfer direction of the polymer chain. A strong correlation between the photoluminescent spectrum and the morphology of the film also was observed. © 2008 Elsevier B.V. All rights reserved.
KSP 제안 키워드
Electro-Optic, Polarization ratio, Polarized light emission, Polymer chain, Polymer films, Uniaxially aligned, liquid crystal display(LCD), strong correlation, thin film(TF)