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Stable soft cubic superstructure enabled by hydrogen-bond complex functionalized polymer/liquid crystal system
H.Q.Li; W.B.Huang; Q.Y.Mo; B.H.Liu; D.Shen; W.A.Zhang; Z.G.Zheng
2019
Source PublicationJournal of Materials Chemistry C
ISSN2050-7526
Volume7Issue:13Pages:3952-3957
AbstractA stable liquid crystal soft cubic superstructure (i.e., blue phase) in a wide temperature range was achieved by photopolymerizing a judiciously designed hydrogen-bond (H-bond) complex functionalized polymer/liquid crystal system. Such an H-bond is generated through complexation between a polymerizable proton acceptor and a mesogenic proton donor, which plays a positive role in structural enhancement of a blue phase on one hand, and on the other hand enables the stabilization of such a cubic superstructure with a lower polymer content compared with that of conventional materials. Owing to the two aforementioned aspects, the driving voltage of such a system was reduced significantly, while a fast responsiveness of the blue phase (i.e., submillisecond) was still maintained. A noteworthy aspect is that a weak electro-optical hysteresis of such blue phases, which is generally generated in a high polymer content system, has been achieved herein in a low polymer content system, due to the H-bond interaction between the mesogenic donor and the proton acceptor decorated polymer network. Herein, a stable blue phase II with a wide temperature range from 55.3 degrees C, spanning the whole room temperature range, to a temperature lower than -40 degrees C was obtained, and moreover its electro-optical performances at -15 degrees C were demonstrated. This work develops a new approach to stabilize a soft cubic superstructure with satisfying thermal and electro-optical performances, which may be a promising candidate or competitor with regards to conventional materials, thereby facilitating its practical applications in diverse perspective fields.
Keywordphase liquid-crystals,blue-phase,behavior,hysteresis,range,Materials Science,Physics
DOI10.1039/c8tc05390a
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Indexed BySCI ; EI
Language英语
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Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/63268
Collection中国科学院长春光学精密机械与物理研究所
Recommended Citation
GB/T 7714
H.Q.Li,W.B.Huang,Q.Y.Mo,et al. Stable soft cubic superstructure enabled by hydrogen-bond complex functionalized polymer/liquid crystal system[J]. Journal of Materials Chemistry C,2019,7(13):3952-3957.
APA H.Q.Li.,W.B.Huang.,Q.Y.Mo.,B.H.Liu.,D.Shen.,...&Z.G.Zheng.(2019).Stable soft cubic superstructure enabled by hydrogen-bond complex functionalized polymer/liquid crystal system.Journal of Materials Chemistry C,7(13),3952-3957.
MLA H.Q.Li,et al."Stable soft cubic superstructure enabled by hydrogen-bond complex functionalized polymer/liquid crystal system".Journal of Materials Chemistry C 7.13(2019):3952-3957.
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