用带有联苯结构的双丙烯酸酯和单丙烯酸酯作为单体,采用紫外光引发聚合诱导相分离法制备了聚合物网络稳定液晶(PSLC)薄膜.研究了不同液晶含量、固化时间、单体结构、取向层对PSLC膜电光性能的影响.结果表明,随着液晶含量的增加,样品的关态透光率(TOFF)随之增大,驱动电压则呈减小趋势;相对而言,随固化时间的增加,样品的TOFF则降低.在PI作取向层时,由双丙烯酸酯单体制备的样品表现出了较高的TOFF,而由单丙烯酸酯单体制得的样品,因其聚合物网络结构的不稳定性,在较低电压情况下就出现了"变形"的电光曲线.
参考文献
| [1] | Hikmet R A M .[J].Journal of Applied Physics,1990,68(09):4406-4412. |
| [2] | Du F;Gauza S;Wu S T .[J].Optics Express,2003,11(22):2891-2896. |
| [3] | Murai H.;Nakata T.;Hasegawa E.;Gotoh T. .HOMEOTROPIC REVERSE-MODE POLYMER-LIQUID CRYSTAL DEVICE[J].Journal of Applied Physics,1997(4):1962-1965. |
| [4] | 马骥,刘永刚,宋静,彭增辉,阮圣平,宣丽.聚合物网络稳定液晶膜的制备与研究[J].光散射学报,2004(04):374-378. |
| [5] | 王庆兵,凌志华,李海峰,黄锡珉.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(02):94-104. |
| [6] | Dierking I. .Polymer network-stabilized liquid crystals [Review][J].Advanced Materials,2000(3):167-181. |
| [7] | Macchione M;Cupelli D;Filpo G D et al.[J].Liquid Crystals,2000,27(07):917-920. |
| [8] | Ingo Dierking .Relationship Between the Electro-Optic Performance of Polymer-Stabilized Liquid-Crystal Devices and The Fractal Dimension of Their Network Morphology[J].Advanced Materials,2003(2):152-156. |
| [9] | Yang D K;Chien L C;Doane J W .[J].Applied Physics Letters,1992,60(25):3102-3104. |
| [10] | Rajaram CV.;Chien LC.;Hudson SD. .Morphology of diacrylate copolymer networks formed in liquid crystalline media[J].Polymer: The International Journal for the Science and Technology of Polymers,1998(22):5315-5319. |
| [11] | Chen TJ;Chen YF;Sun CH;Wu JJ .Electro-optical properties of reverse-mode films of planar aligned polymer-dispersed liquid crystal[J].Journal of Polymer Research,2006(2):85-89. |
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%