研究了聚合电场波形对常黑模式聚合物稳定胆甾相液晶(PSCT)网络形貌和光电性能的影响.采用紫外光聚合诱导相分离法(PIPS)制备聚合物稳定胆甾相液晶,通过使用3种不同的聚合电场波形(方波、正弦波和三角波)来控制聚合物网络的形貌,改善PSCT的光电性能.聚合电场为方波时,聚合物网络最为疏松,阈值饱和电压最小,响应时间最长,迟滞宽度最大;而聚合电场为三角波时,聚合物网络最为致密,阈值饱和电压最大,响应时间最短,迟滞宽度最小.
参考文献
[1] | Dierking I,Kosbar L L,Afzali-Ardakani A,et al.Network morphology of polymer stabilized liquid crystals[J].Appl.Phys.Lett.,1997,71(17):2454-2456. |
[2] | Dierking I.Polymer network-stabilized liquid crystals[J].Adv.Mater.,2000,12(3):167-181. |
[3] | 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. |
[4] | 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). |
[5] | Du F,Gauza S,Wu S T.Influence of curing temperature and high birefringence on the properties of polymer-stabilized liquid crystals[J].Opt.Express,2003,11(22):2891-2896. |
[6] | Natarajan L V,Beckel E R,Tondiglia V P,etal.The effect of weak polymer stabilization on the switching properties of cholesteric liquid crystals[J].Mol.Cryst.Liq.Cryst.,2009,502(1):143-153. |
[7] | Kumar P,Kang S W,Lee S H.Advanced bistable cholesteric light shutter with dual frequency nematic liquid crystal[J].Opt.Mater.Express,2012,2(8):1121-1134. |
[8] | Ma J,Shi L,Yang D K.Bistable polymer stabilized cholesteric texture light shutter[J].Appl.Phys.Express,2010,3(2):021702(1-3). |
[9] | Dierking I,Kosbar L L,Afzali-Ardakani A,etal.Two-stageswitching behavior of polymer stabilized cholesteric textures[J].J.Appl.Phys,1997,81(7):3007-3013. |
[10] | Hed I,Dierking L L,Kosbar A C,et al.Polymer network structure and electro-optic performance of polymer stabilized cholesteric textures Ⅱ.The effect of UV curing condition[J].Liq.Cryst.,2003,24(3):397-406. |
[11] | 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.Niu H L,H ua Y K,Shi G F,et al.Effects of curing field frequency on electro-optic property of polymer-stabilized cholesterol[J].Chinese Journal of Liquid Crystals and Displays,2012,27(1):21-25.(in Chinese) |
[12] | Dierking I,Kosbar L L,Lowe A C,et al.Polymer network structure and electro-optic performance of polymer stabilized cholesteric textures[J].Liq.Cryst.,1998,24(3):287-395. |
[13] | 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.Wang Q B,Ling Z H,Li H F,et al.Study of the morphology of polymer network fomed in liquid crystal[J].Chinese Journal of Liquid Crystals and Displays,999,14(2):94-103.(in Chinese) |
[14] | 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.Liu G Z,Huang Z Q,Yang W J,et al.Electro-optical properties of low-threshold voltage PDLC films[J].Chinese Journal of Liquid Crystals and Displays,2009,24(3):383-388.(in Chinese) |
[15] | 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(3):306-310.Xia L,Xu Q,Lu H B,et al.Controlling of phase morphologies and electro-optical properties of polymer dispersed cholesteric liquid crystal[J].Chinese Journal of Liquid Crystals and Displays,2011,26 (3):306-310.(in Chinese) |
[16] | Dierking I,Kosbar L L,Lowe A C,et al.Polymer network structure and electro-optic performance of polymer stabilized cholesteric textures I:The influence of curing temperature[J].Liq.Cryst.,1998,24:387-395. |
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:
-
10%
-
20%
-
30%
-
40%
-
50%