The temperature range and optical properties of the liquid crystalline blue phase in inverse opal structures

Yuxian Zhang; Weidong Zhao; Yongbo Yu; Zhou Yang; Wanli He; Hui Cao; Dong Wang

doi:10.1039/C8TC02712A

The temperature range and optical properties of the liquid crystalline blue phase in inverse opal structures

Yuxian Zhang, Weidong Zhao, Yongbo Yu, Zhou Yang^*, Wanli He, Hui Cao, Dong Wang

^*Corresponding author for this work

University of Science and Technology Beijing

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

A liquid crystal device was developed by infiltrating a blue phase liquid crystal (BPLC) in three-dimensional SiO₂ inverse opal (IOP) structures, of which the BP temperature range and electro-optical performance were investigated. The experimental results indicated that the pore size of IOP had a significant impact on the temperature range of the BP I phase. In particular, the IOP structure with a pore size of 1.7 μm (1.7 IOP) could extend the BP I temperature range from 5.0 °C to 11.5 °C and the device also exhibited a much lower driving voltage compared with that of the polymer-stabilized blue phase (PSBP) sample. Additionally, the electro-optical and tunable-optical properties of the as-designed device were also investigated. Our research provided a novel aspect to improve the BP properties and also presented a new strategy for tunable photonic structures based on BP liquid crystals.

Original language	English
Pages (from-to)	11071-11077
Number of pages	7
Journal	Journal of Materials Chemistry C
Volume	6
Issue number	41
DOIs	https://doi.org/10.1039/C8TC02712A
Publication status	Published - 2018
Externally published	Yes

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Zhang, Y., Zhao, W., Yu, Y., Yang, Z., He, W., Cao, H., & Wang, D. (2018). The temperature range and optical properties of the liquid crystalline blue phase in inverse opal structures. Journal of Materials Chemistry C, 6(41), 11071-11077. https://doi.org/10.1039/C8TC02712A

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abstract = "A liquid crystal device was developed by infiltrating a blue phase liquid crystal (BPLC) in three-dimensional SiO2 inverse opal (IOP) structures, of which the BP temperature range and electro-optical performance were investigated. The experimental results indicated that the pore size of IOP had a significant impact on the temperature range of the BP I phase. In particular, the IOP structure with a pore size of 1.7 μm (1.7 IOP) could extend the BP I temperature range from 5.0 °C to 11.5 °C and the device also exhibited a much lower driving voltage compared with that of the polymer-stabilized blue phase (PSBP) sample. Additionally, the electro-optical and tunable-optical properties of the as-designed device were also investigated. Our research provided a novel aspect to improve the BP properties and also presented a new strategy for tunable photonic structures based on BP liquid crystals.",

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AU - Zhao, Weidong

AU - Yu, Yongbo

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AU - He, Wanli

AU - Cao, Hui

AU - Wang, Dong

PY - 2018

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The temperature range and optical properties of the liquid crystalline blue phase in inverse opal structures

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