The effects of silica nanoparticles on blue-phase liquid crystals

Che Ju Hsu, Mao Kun Huang, Pei Chun Tsai, Chia Ting Hsieh, Kuan Lin Kuo, Chang Feng You, Kuang Yao Lo, Chi-Yen Huang

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

We investigate the effects of hydrophobic silica nanoparticles (SNs) on blue-phase liquid crystals (BPLCs). The optical microscope and reflection spectra observation reveal that a tiny hydrophobic SN dopant stabilises the BPLC phase, and widens the temperature range of the BP I phase. Furthermore, the doped dilute SNs can fine-tune their positions to relax the formation stress of the BPLC lattices, and slightly increase the platelet sizes of the BPLCs. The doped SNs also decrease the driving voltage and response time of the BPLC cell, because the added SNs decrease the elastic constant of the LC host and the relaxation time constant of the BPLC mixture.

Original languageEnglish
Pages (from-to)303-309
Number of pages7
JournalLiquid Crystals
Volume45
Issue number2
DOIs
Publication statusPublished - 2018 Jan 26

Fingerprint

Liquid Crystals
Silicon Dioxide
Liquid crystals
liquid crystals
Silica
Nanoparticles
silicon dioxide
nanoparticles
optical reflection
Elastic constants
Platelets
platelets
optical microscopes
crystal lattices
Crystal lattices
Relaxation time
time constant
Microscopes
elastic properties
relaxation time

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Hsu, C. J., Huang, M. K., Tsai, P. C., Hsieh, C. T., Kuo, K. L., You, C. F., ... Huang, C-Y. (2018). The effects of silica nanoparticles on blue-phase liquid crystals. Liquid Crystals, 45(2), 303-309. https://doi.org/10.1080/02678292.2017.1324645
Hsu, Che Ju ; Huang, Mao Kun ; Tsai, Pei Chun ; Hsieh, Chia Ting ; Kuo, Kuan Lin ; You, Chang Feng ; Lo, Kuang Yao ; Huang, Chi-Yen. / The effects of silica nanoparticles on blue-phase liquid crystals. In: Liquid Crystals. 2018 ; Vol. 45, No. 2. pp. 303-309.
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Hsu, CJ, Huang, MK, Tsai, PC, Hsieh, CT, Kuo, KL, You, CF, Lo, KY & Huang, C-Y 2018, 'The effects of silica nanoparticles on blue-phase liquid crystals', Liquid Crystals, vol. 45, no. 2, pp. 303-309. https://doi.org/10.1080/02678292.2017.1324645

The effects of silica nanoparticles on blue-phase liquid crystals. / Hsu, Che Ju; Huang, Mao Kun; Tsai, Pei Chun; Hsieh, Chia Ting; Kuo, Kuan Lin; You, Chang Feng; Lo, Kuang Yao; Huang, Chi-Yen.

In: Liquid Crystals, Vol. 45, No. 2, 26.01.2018, p. 303-309.

Research output: Contribution to journalArticle

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AU - You, Chang Feng

AU - Lo, Kuang Yao

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N2 - We investigate the effects of hydrophobic silica nanoparticles (SNs) on blue-phase liquid crystals (BPLCs). The optical microscope and reflection spectra observation reveal that a tiny hydrophobic SN dopant stabilises the BPLC phase, and widens the temperature range of the BP I phase. Furthermore, the doped dilute SNs can fine-tune their positions to relax the formation stress of the BPLC lattices, and slightly increase the platelet sizes of the BPLCs. The doped SNs also decrease the driving voltage and response time of the BPLC cell, because the added SNs decrease the elastic constant of the LC host and the relaxation time constant of the BPLC mixture.

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Hsu CJ, Huang MK, Tsai PC, Hsieh CT, Kuo KL, You CF et al. The effects of silica nanoparticles on blue-phase liquid crystals. Liquid Crystals. 2018 Jan 26;45(2):303-309. https://doi.org/10.1080/02678292.2017.1324645