Alignment of lyotropic chromonic liquid crystals using nano-sized pattern fabricated by secondary sputtering lithography and its application = 나노 패터닝 기법을 이용한 판상 유방성 액정 제어 및 응용 연구

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We researched properties of lyotropic liquid crystals when they are aligned in the lines of a high aspect ratio which is fabricated by secondary sputtering lithography. Lyotropic chromonic liquid crystals behave like a stacked rod due to the π-π interaction of the core which allows molecule to form a highly ordered state. Aligned state is verified by polarized optical microscope and a phase diagram of the material shows that transition temperature between nematic phase and isotropic phase shows increment as the concentration of the material increases. The anchoring energy which is calculated by Berreman’s theory with elastic constant of materials is also shown in the graph. Lyotropic chromonic liquid crystals are the very promising materials having polarizing property which is applicable to displays, optoelectronic devices and biosensors.
Advisors
Jung, Hee-Taeresearcher정희태
Description
한국과학기술원 : 생명화학공학과,
Publisher
한국과학기술원
Issue Date
2013
Identifier
566470/325007  / 020114332
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 생명화학공학과, 2013.8, [ iv, 25 p. ]

Keywords

Sunset Yellow; Secondary Sputtering Lithography; line pattern; 판상 유방성 액정; Lyotropic Chromonic Liquid Crystals; 나노 라인 패턴; 고정 에너지 변동

URI
http://hdl.handle.net/10203/196243
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=566470&flag=dissertation
Appears in Collection
CBE-Theses_Master(석사논문)
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