欢迎登录材料期刊网

材料期刊网

高级检索

采用紫外光聚合诱导相分离法(PIPS)制备了聚合物稳定胆甾相液晶,通过控制聚合时间,调节聚合物网络与液晶分子之间的相互作用,从而改善PSCT的光电性能.结果表明:延长聚合时间,提高反应程度,从而增强聚合物网络对液晶分子的锚定力,而对聚合物网络形貌的影响较小.在正模式聚合物稳定胆甾相液晶中,聚合物网络垂直于基板排列,有利于形成场致向列相,锚定作用强,阈值和饱和电压小,关态透过率高,对比度低,响应速度慢,迟滞宽度大.

参考文献

[1] Dierking I.Polymer network-stabilized liquid crystals[J].Adv.Mater.,2000,12(3):167-181.
[2] Yin Y H,Li W B,Cao H.Effects of monomer structure on the morphology of poly-network and the electro-optical property of reverse-mode polymer-stabilized cholesteric texture[J].J.Appl.Polymer Science,2009,111(3):1353-1357.
[3] Liang Hao-Hsun,Wang Po-Hsiang,Wu Cheng-Che,et al.Polymer network morphology and electro-optical properties of electrothermal switchable bistable light shutters with various chiral dopant concentrations[J].Mol.Cryst.Liq.Cryst.,2011,552(1):111-122.
[4] Liang Hao-Hsun,Wu Cheng-Che,Wang Po-Hsiang,et al.Electro-thermal switchable bistable reverse mode polymer stabilized cholesteric texture light shutter[J].Opt.Mater.,2011,33(8):1195-1202.
[5] Bao R,Liu C M,Yang D K.Smart bistable polymer stabilized cholesteric texture light shutter[J].Appl.Phys.Express,2009,2(11):112401(1-3).
[6] Du Fang,Gauza Sebastian,Wu Shin-Tson.Influence of curing temperature and high birefringence on the properties of polymer-stabilized liquid crystals[J].Opt.Express,2003,11(22):2891-2896.
[7] Dierking I,Kosbar L L,Afzali-Ardakani A,et al.Two stage switching behavior of polymer stabilized cholesteric textures[J].J.Appl.Phys.,1997,81(7):3007-3014.
[8] Natarajan L V,Beckel E R,Tondiglia V P,et al.The effect of weak polymer stabilization on the switching properties of cholesteric liquid crystals[J].Mol.Cryst.Liq.Cryst.,2009,502(1):143-153.
[9] Kumar P,Kang Shin-Woong,Lee S H.Advanced bistable cholesteric light shutter with dual frequency nematic liquid crystal[J].Opt.Mater.Express,2012,2(8):1121-1134.
[10] Ma Ji,Shi Lei,Yang Deng-Ke.Bistable polymer stabilized cholesteric texture light shutter[J].Appl.Phys.Express,2010,3(2):021702(1-3).
[11] 刘国柱,黄子强,杨文君,等.低阈值电压聚合物分散性液晶膜的电光特性[J].液晶与显示,2009,24(3):383-388.
[12] 王庆兵,凌志华,李海峰,等.液晶中形成的聚合物网络织构及形貌的研究[J].液晶与显示,1999,14(2):94-103.
[13] 牛红林,华懿魁,史高飞,等.聚合电场频率对聚合物稳定胆甾相液晶光电性能的影响[J].液晶与显示,2012,27(1):21-25.
[14] 夏亮,徐琼,陆红波,等.聚合物分散胆甾相液晶相形态调控与光电性能[J].液晶与显示,2011,26(1):306-310.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%