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Article

Phase Transitions of N-(4-methoxybenzylidene)-4-butylaniline (MBBA) Confined within Mesoporous Silica

1
Graduate School of Integrated Basic Sciences, Nihon University, 3-25-40 Sakurajosui, Setagaya-ku, Tokyo 156-8550, Japan
2
College of Humanities and Sciences, Nihon University, 3-25-40 Sakurajosui, Setagaya-ku, Tokyo 156-8550, Japan
3
Faculty of Regional Environment Sciences, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan
4
School of Science and Engineering, Kokushikan University, 4-28-1 Setagaya, Setagaya-ku, Tokyo 154-8515, Japan
*
Author to whom correspondence should be addressed.
Crystals 2020, 10(9), 792; https://doi.org/10.3390/cryst10090792
Received: 30 July 2020 / Revised: 5 September 2020 / Accepted: 5 September 2020 / Published: 8 September 2020
(This article belongs to the Special Issue Crystallography of Structural Phase Transformations)
We have used differential scanning calorimetry (DSC) to investigate the phase transition of a liquid crystal, N-(4-methoxybenzylidene)-4-butylaniline (MBBA), confined within porous silica materials with one- and three-dimensional pore architectures. Each phase-transition temperature of the confined MBBA linearly decreased with the inverse pore size compared with that of bulk MBBA. However, the degree of temperature shift varied owing to differences in the pore architectures. In addition, when MBBA was confined within one-dimensional pores, the thermal anomaly associated with the phase transition from the nematic phase to the isotropic liquid phase was not observed in the DSC measurements. View Full-Text
Keywords: liquid crystals; MBBA; silica pore; DSC; phase transition liquid crystals; MBBA; silica pore; DSC; phase transition
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MDPI and ACS Style

Yoshimi, T.; Shima, A.; Hagiwara-Norifusa, S.; Sugimoto, T.; Nagoe, A.; Fujimori, H. Phase Transitions of N-(4-methoxybenzylidene)-4-butylaniline (MBBA) Confined within Mesoporous Silica. Crystals 2020, 10, 792. https://doi.org/10.3390/cryst10090792

AMA Style

Yoshimi T, Shima A, Hagiwara-Norifusa S, Sugimoto T, Nagoe A, Fujimori H. Phase Transitions of N-(4-methoxybenzylidene)-4-butylaniline (MBBA) Confined within Mesoporous Silica. Crystals. 2020; 10(9):792. https://doi.org/10.3390/cryst10090792

Chicago/Turabian Style

Yoshimi, Takehisa, Ayumi Shima, Shoko Hagiwara-Norifusa, Takayuki Sugimoto, Atsushi Nagoe, and Hiroki Fujimori. 2020. "Phase Transitions of N-(4-methoxybenzylidene)-4-butylaniline (MBBA) Confined within Mesoporous Silica" Crystals 10, no. 9: 792. https://doi.org/10.3390/cryst10090792

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