蓝相液晶指向有序的定域化及微结构制备

周康; 袁从龙; 李萧; 王骁乾; 沈冬; 郑致刚

doi:10.7498/aps.67.20172517

摘要

蓝相液晶晶格指向有序性的体系构建对先进光子学应用乃至软物质三维可控生长具有重要的科学与技术意义.对指向有序性的蓝相液晶进行定域化的高分子稳定，进而形成蓝相区域的微结构图案化，有望实现全新的光子调控器件.本文使用稳定性好、操作简易、普遍的摩擦取向方法，达到蓝相晶格指向一致化目的，同时结合掩膜曝光的手段进行区域可控的光聚合，即定域光聚合，达到对蓝相晶格的定域化高分子稳定，实现了晶格指向有序、稳定性强的蓝相区域微结构图案化分布.最后基于这样的特殊结构，研究了潜在的光子学等方面的应用.

关键词:

蓝相 /
高分子稳定 /
定域 /
微结构

Abstract

The construction of uniform orientation of crystallographic direction of blue phase is of great importance for its practical applications and the scientific research of multi-dimensional controllable growth of soft matter. With the consideration of the weak thermal stability of blue phase, the uniform lattice orientation of blue phase is combined with localized polymer-stabilization in this work. So the relatively stable fabrication of micro-patterns for blue phase can be realized, and it is promising for researchers to prepare brand new photonic devices. To the best of our knowledge, the relevant reports are rather rare, and the successful implementation of the above ideas is full of difficulties according to current conditions. In this paper, the uniform, patterned and stable orientation of crystallographic direction of blue phase is achieved by using the aforementioned integrated method. Here in this work, facile rubbing alignment is used as the primary way to realize the uniform lattice orientation. Meanwhile, the polymer-stabilization, as an effective technological way, is used to stabilize the frustrated topological structure of aligned blue phase for a better stability and its application perspective. Furthermore, we construct the well-defined micro-patterned blue phase array including one-dimensional and two-dimensional pattern in virtue of facile and effective localized exposure. Simultaneously, the stability of such a micro-pattern under external field is also investigated to evaluate the validity of stabilized superstructure and characteristic behavior of unstable region. As a result, the micro-patterned blue phase array keeps good state even under the adequate exposure to high voltage. Finally, the potential photonic application is explored based on the above micro-patterns which exhibit good optical diffraction effects in the experiment that follows. In conclusion, it really provides a feasible route for achieving stable control about orientation of soft matter, like liquid crystal, and fabricating field-stable and periodic superstructure. Such a research will speed up the development of blue phase liquid crystal in crystallography, electronics, and photonics.

Keywords:

作者及机构信息

1.
华东理工大学物理系, 上海 200237;

2.
华东理工大学材料科学与工程学院, 上海 200237

通信作者: 郑致刚, zgzheng@ecust.edu.cn

基金项目: 国家自然科学基金（批准号：61435008，61575063，61705067）、上海市青年科技启明星计划（批准号：17QA1401100）和上海市浦江人才计划（批准号：16PJ1402200）资助的课题.

Authors and contacts

1.
Department of Physics, East China University of Science and Technology, Shanghai 200237, China;

2.
School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China

Corresponding author: Zheng Zhi-Gang, zgzheng@ecust.edu.cn

Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 61435008, 61575063, 61705067), the Shanghai Rising-Star Program, China (Grant No. 17QA1401100), and the Shanghai Pu-jiang Program, China (Grant No. 16PJ1402200).

参考文献

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[38]	Yan J, Wu S T, Cheng K L, Shiu J W 2013 Appl. Phys. Lett. 102 081102
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[44]	Oton E, Netter E, Nakano T, Katayama Y D, Inoue F 2017 Sci. Rep. 7 44575
[45]	Martinez-Gonzalez J A, Li X, Sadati M, Zhou Y, Zhang R, Nealey P F, de Pablo J J 2017 Nat. Commun. 8 15854
[46]	Dziomkina N V, Vancso G J 2005 Soft Matter 1 265
[47]	Rossi L, Sacanna S, Irvine W T M, Chaikin P M, Pine D J, Philipse A P 2011 Soft Matter 7 4139
[48]	Quan Z W, Xu H W, Wang C Y, Wen X D, Wang Y X, Zhu J L, Li R P, Sheehan C J, Wang Z W, Smilgies D M, Luo Z P, Fang J Y 2014 J. Am. Chem. Soc. 136 1352

施引文献

[1]	Wei B Y, Hu W, Ming Y, Xu F, Rubin S, Wang J G, Chigrinov V, Lu Y Q 2014 Adv. Mater. 26 1590
[2]	Zheng Z G, Liu B W, Zhou L, Wang W, Hu W, Shen D 2015 J. Mater. Chem. C 3 2462
[3]	Qi L, Wang Q H, Luo J Y, Zhao W X, Song C Q 2012 J. Disp. Technol. 8 397
[4]	Wang Q H, Ji C C, Li L, Deng H 2016 Opt. Express 24 9
[5]	Zheng Z G, Song J, Liu Y G, Guo F Z, Ma J, Xuan L 2008 Liq. Cryst. 35 489
[6]	Sun P Z, Liu Z, Wang W, Ma L L, Shen D, Hu W, Lu Y, Chen L, Zheng Z G 2016 J. Mater. Chem. C 4 9325
[7]	Lin T H, Li Y, Wang C T, Jau H C, Chen C W, Li C C, Bisoyi H K, Bunning T J, Li Q 2013 Adv. Mater. 25 5050
[8]	Wen Y, Zheng Z G, Wang H F, Shen D 2012 Liq. Cryst. 39 509
[9]	Zheng Z G, Li Y, Bisoyi H K, Wang L, Bunning T J, Li Q 2016 Nature 531 352
[10]	Gu W, Wei J, Yu Y L 2016 Chin. Phys. B 25 096103
[11]	Koçer G, Ter Schiphorst J, Hendrikx M, Kassa H G, Leclère P, Schenning A P H J, Jonkheijm P 2017 Adv. Mater. 29 1606407
[12]	Chen Y T, Li C, Xu X R, Liu M, He Y W, Murtaza I, Zhang D W, Yao C, Wang Y F, Meng H 2017 ACS Appl. Mater. Interfaces 9 7305
[13]	Crooker P P 1983 Mol. Cryst. Liq. Cryst. 98 31
[14]	Meiboom S, Sammon M, Berreman D W 1983 Phys. Rev. A 28 3553
[15]	Henrich O, Stratford K, Cates M E, Marenduzzo D 2011 Phys. Rev. Lett. 106 107801
[16]	Chen X W, Wang L, Li C Y, Xiao J M, Ding H J, Liu X, Zhang X G, He W L, Yang H 2013 Chem. Commun. 49 10097
[17]	Wang J, Lin C G, Zhang J Y, Wei J, Song Y F, Guo J B 2015 J. Mater. Chem. C 3 4179
[18]	Chen H Y, Chiou J Y, Yang K X 2011 Appl. Phys. Lett. 99 181119
[19]	He Z H, Chen C P, Zhu J L, Yuan Y C, Li Y, Hu W, Li X, Li H J, Lu J G, Su Y K 2015 Chin. Phys. B 24 064203
[20]	Castles F, Morris S M, Hung J M, Qasim M M, Wright A D, Nosheen S, Choi S S, Outram B I, Elston S J, Burgess C, Hill L, Wilkinson T D, Coles H J 2014 Nat. Mater. 13 817
[21]	Hur S T, Lee B R, Gim M J, Park K W, Song M H, Choi S W 2013 Adv. Mater. 25 3002
[22]	Kikuchi H, Yokota M, Hisakado Y, Yang H, Kajiyama T 2002 Nat. Mater. 1 64
[23]	Coles H J, Pivnenko M N 2005 Nature 436 997
[24]	Zheng Z G, Shen D, Huang P 2010 New J. Phys. 12 113018
[25]	Zhu G, Lin X W, Hu W, Zheng Z G, Wang H F, Cui H Q, Shen D, Lu Y Q 2011 Opt. Mater. Express 1 1478
[26]	Zheng Z G, Shen D, Huang P 2011 New J. Phys. 13 063037
[27]	Yang W Q, Cai G Q, Liu Z, Wang X Q, Feng W, Feng Y, Shen D, Zheng Z G 2017 J. Mater. Chem. C 5 690
[28]	He W L, Pan G H, Yang Z, Zhao D Y, Niu G G, Huang W, Yuan X T, Guo J B, Cao H, Yang H 2009 Adv. Mater. 21 2050
[29]	Karatairi E, Rozic B, Kutnjak Z, Tzitzios V, Nounesis G, Cordoyiannis G, Thoen J, Glorieux C, Kralj S 2010 Phys. Rev. E 81 041703
[30]	Wang J, Mao J L, Fan H X, Wang Q H 2016 Chin. Phys. B 25 094223
[31]	Li X, Yang W Q, Yuan C L, Liu Z, Zhou K, Wang X Q, Shen D, Zheng Z G 2017 Sci. Rep. 7 10383
[32]	Cao W, Munoz A, Palffy-Muhoray P, Taheri B 2002 Nat. Mater. 1 111
[33]	Wang L, Wang M, Yang M C, Shi L J, Deng L G, Yang H 2016 Chin. Phys. B 25 094217
[34]	Jo S Y, Jeon S W, Kim B C, Bae J H, Araoka F, Choi S W 2017 ACS Appl. Mater. Interfaces 9 8941
[35]	Chen Y, Wu S T 2013 Appl. Phys. Lett. 102 171110
[36]	Yamamoto S I, Haseba Y, Higuchi H, Okumura Y, Kikuchi H 2013 Liq. Cryst. 40 639
[37]	Nayek P, Jeong H, Park H R, Kang S W, Lee S H, Park H S, Lee H J, Kim H S 2012 Appl. Phys. Express 5 051701
[38]	Yan J, Wu S T, Cheng K L, Shiu J W 2013 Appl. Phys. Lett. 102 081102
[39]	Kim K, Hur S T, Kim S, Jo S Y, Lee B R, Song M H, Choi S W 2015 J. Mater. Chem. C 3 5383
[40]	Ma L L, Li S S, Li W S, Ji W, Luo B, Zheng Z G, Cai Z P, Chigrinov V, Lu Y Q, Hu W, Chen L J 2015 Adv. Opt. Mater. 3 1691
[41]	Ma L L, Tang M J, Hu W, Cui Z Q, Ge S J, Chen P, Chen L J, Qian H, Chi L F, Lu Y Q 2017 Adv. Mater. 29 1606671
[42]	Zheng Z G, Yuan C L, Hu W, Bisoyi H K, Tang M J, Liu Z, Sun P Z, Yang W Q, Wang X Q, Shen D, Li Y, Ye F, Lu Y Q, Li G, Li Q 2017 Adv. Mater. 29 1703165
[43]	Nayek P, Park N H, Noh S C, Lee S H, Park H S, Lee H J, Hou C T, Lin T H, Yokoyama H 2015 Liq. Cryst. 42 1111
[44]	Oton E, Netter E, Nakano T, Katayama Y D, Inoue F 2017 Sci. Rep. 7 44575
[45]	Martinez-Gonzalez J A, Li X, Sadati M, Zhou Y, Zhang R, Nealey P F, de Pablo J J 2017 Nat. Commun. 8 15854
[46]	Dziomkina N V, Vancso G J 2005 Soft Matter 1 265
[47]	Rossi L, Sacanna S, Irvine W T M, Chaikin P M, Pine D J, Philipse A P 2011 Soft Matter 7 4139
[48]	Quan Z W, Xu H W, Wang C Y, Wen X D, Wang Y X, Zhu J L, Li R P, Sheehan C J, Wang Z W, Smilgies D M, Luo Z P, Fang J Y 2014 J. Am. Chem. Soc. 136 1352

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