In‐Plane Uniaxial Helical‐Axis Alignment in Chiral‐Nematic Liquid Crystal Polymer Films Using Photogradient Polymerization
Chiral‐nematic liquid‐crystal (N* LC) polymer films with uniaxially controlled helical‐axis alignments have attracted increasing attention for developing next‐generation materials with promising mechanical, optical, and electronic properties. These functionalities in N* LC polymer films can be reali...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Wiley-VCH
2025-04-01
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| Series: | Small Structures |
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| Online Access: | https://doi.org/10.1002/sstr.202400458 |
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| author | Yuki Shikata Shohei Sugiyama Kohsuke Matsumoto Kyohei Hisano Osamu Tsutsumi |
| author_facet | Yuki Shikata Shohei Sugiyama Kohsuke Matsumoto Kyohei Hisano Osamu Tsutsumi |
| author_sort | Yuki Shikata |
| collection | DOAJ |
| description | Chiral‐nematic liquid‐crystal (N* LC) polymer films with uniaxially controlled helical‐axis alignments have attracted increasing attention for developing next‐generation materials with promising mechanical, optical, and electronic properties. These functionalities in N* LC polymer films can be realized by controlling their helical‐axis alignment. However, achieving precise control over helical‐axis alignment in polymer films remains challenging. This study presents a simple and effective method for controlling uniaxial helical‐axis alignment in polymer films through photogradient polymerization. This approach induces a direction‐controlled isotropic‐to‐N* LC phase transition driven by a polymer concentration gradient, resulting in uniaxial helical‐axis alignment along the phase transition direction. The proposed method offers valuable insights for the facile fabrication of N* LC polymer films with controlled helical‐axis alignments. |
| format | Article |
| id | doaj-art-6a8f7a6f15c24400a855fa8585c1f6da |
| institution | DOAJ |
| issn | 2688-4062 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Wiley-VCH |
| record_format | Article |
| series | Small Structures |
| spelling | doaj-art-6a8f7a6f15c24400a855fa8585c1f6da2025-08-20T03:08:50ZengWiley-VCHSmall Structures2688-40622025-04-0164n/an/a10.1002/sstr.202400458In‐Plane Uniaxial Helical‐Axis Alignment in Chiral‐Nematic Liquid Crystal Polymer Films Using Photogradient PolymerizationYuki Shikata0Shohei Sugiyama1Kohsuke Matsumoto2Kyohei Hisano3Osamu Tsutsumi4Department of Applied Chemistry Ritsumeikan University 1‐1‐1 Nojihigashi Kusatsu 525‐8577 JapanDepartment of Applied Chemistry Ritsumeikan University 1‐1‐1 Nojihigashi Kusatsu 525‐8577 JapanDepartment of Applied Chemistry Ritsumeikan University 1‐1‐1 Nojihigashi Kusatsu 525‐8577 JapanDepartment of Applied Chemistry Ritsumeikan University 1‐1‐1 Nojihigashi Kusatsu 525‐8577 JapanDepartment of Applied Chemistry Ritsumeikan University 1‐1‐1 Nojihigashi Kusatsu 525‐8577 JapanChiral‐nematic liquid‐crystal (N* LC) polymer films with uniaxially controlled helical‐axis alignments have attracted increasing attention for developing next‐generation materials with promising mechanical, optical, and electronic properties. These functionalities in N* LC polymer films can be realized by controlling their helical‐axis alignment. However, achieving precise control over helical‐axis alignment in polymer films remains challenging. This study presents a simple and effective method for controlling uniaxial helical‐axis alignment in polymer films through photogradient polymerization. This approach induces a direction‐controlled isotropic‐to‐N* LC phase transition driven by a polymer concentration gradient, resulting in uniaxial helical‐axis alignment along the phase transition direction. The proposed method offers valuable insights for the facile fabrication of N* LC polymer films with controlled helical‐axis alignments.https://doi.org/10.1002/sstr.202400458chiral‐nematic liquid crystalshelical‐axis alignmentsphotopolymerizations |
| spellingShingle | Yuki Shikata Shohei Sugiyama Kohsuke Matsumoto Kyohei Hisano Osamu Tsutsumi In‐Plane Uniaxial Helical‐Axis Alignment in Chiral‐Nematic Liquid Crystal Polymer Films Using Photogradient Polymerization Small Structures chiral‐nematic liquid crystals helical‐axis alignments photopolymerizations |
| title | In‐Plane Uniaxial Helical‐Axis Alignment in Chiral‐Nematic Liquid Crystal Polymer Films Using Photogradient Polymerization |
| title_full | In‐Plane Uniaxial Helical‐Axis Alignment in Chiral‐Nematic Liquid Crystal Polymer Films Using Photogradient Polymerization |
| title_fullStr | In‐Plane Uniaxial Helical‐Axis Alignment in Chiral‐Nematic Liquid Crystal Polymer Films Using Photogradient Polymerization |
| title_full_unstemmed | In‐Plane Uniaxial Helical‐Axis Alignment in Chiral‐Nematic Liquid Crystal Polymer Films Using Photogradient Polymerization |
| title_short | In‐Plane Uniaxial Helical‐Axis Alignment in Chiral‐Nematic Liquid Crystal Polymer Films Using Photogradient Polymerization |
| title_sort | in plane uniaxial helical axis alignment in chiral nematic liquid crystal polymer films using photogradient polymerization |
| topic | chiral‐nematic liquid crystals helical‐axis alignments photopolymerizations |
| url | https://doi.org/10.1002/sstr.202400458 |
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