Homogeneously aligned liquid crystal molecules on reformed poly(methyl methacrylate) via ion-beam irradiation
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- 作者：Hae-Chang Jeonga ; Hong-Gyu Parka ; Ju Hwan Leea ; Sang Bok Janga ; Byeong-Yun Ohb ; Jeong-Min Hanc ; Dae-Shik Seoa ; dsseo@yonsei.ac.kr" class="auth_mail" title="E-mail the corresponding author
- 关键词：Poly(methyl methacrylate) ; Surface reformation ; Liquid crystal alignment ; Ion-beam irradiation
- 刊名：Optical Materials
- 出版年：2016
- 出版时间：April 2016
- 年：2016
- 卷：54
- 期：Complete
- 页码：288-293
- 全文大小：1818 K
文摘
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We demonstrated uniform LC alignment using IB-irradiated poly(methyl methacrylate) (PMMA) as an alignment layer.
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The characteristics of PMMA surface were investigated as functions of incidence angle.
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The PMMA irradiated with IB at an incidence angle of 30° had a higher molecular polarity than those of other incidence angles.
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The LC cells containing PMMA exhibited good thermal stability (180°) compared with LC cells containing conventional rubbed PI (150°).
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LC molecules on PMMA switched faster than those on conventional rubbed PI.