Fabrication of patterned liquid-crystalline nanocomposites and their novel characteristics

Jung Woo Park; Weon Sik Chae; Hee Won Shin; Yong Rok Kim; Jin Kyu Lee

doi:10.1080/154214090892429

Fabrication of patterned liquid-crystalline nanocomposites and their novel characteristics

Jung Woo Park, Weon Sik Chae, Hee Won Shin, Yong Rok Kim, Jin Kyu Lee

Department of Chemistry

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

1 Citation (Scopus)

Abstract

Highly ordered nanostructures of liquid-crystal molecules were patterned within porous anodic alumina of different pore diameters. As the utilized pore diameter of the porous membrane decreases, progressively red-shifted emissions are observed for the embedded liquid-crystal nanostructures at room temperature. This unique spectral progression, depending on the pore size, is very similar to the emission trend induced by the thermotropic phase-transitions of the bulk antiferroelectric liquid-crystal. Such characteristics are considered to be due to structural confinement of the antiferroelectric liquid-crystal molecules within the finite size of nanoporous channels.

Original language	English
Pages (from-to)	59-68
Number of pages	10
Journal	Molecular Crystals and Liquid Crystals
Volume	432
DOIs	https://doi.org/10.1080/154214090892429
Publication status	Published - 2005

Bibliographical note

Funding Information:
This work was financially supported by National Research Laboratory (Grant No. M1-0302-00-0027), National R&D Project for Nano-Science and Technology (Grant No. M1-0214-00-0021), KRF (Grant No. BSRIDP0228), and Yonsei University Research Fund of 2002. We are grateful for the instrumental support from the equipment facility of CRM-KOSEF, Korea University.

All Science Journal Classification (ASJC) codes

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

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Cite this

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title = "Fabrication of patterned liquid-crystalline nanocomposites and their novel characteristics",

abstract = "Highly ordered nanostructures of liquid-crystal molecules were patterned within porous anodic alumina of different pore diameters. As the utilized pore diameter of the porous membrane decreases, progressively red-shifted emissions are observed for the embedded liquid-crystal nanostructures at room temperature. This unique spectral progression, depending on the pore size, is very similar to the emission trend induced by the thermotropic phase-transitions of the bulk antiferroelectric liquid-crystal. Such characteristics are considered to be due to structural confinement of the antiferroelectric liquid-crystal molecules within the finite size of nanoporous channels.",

author = "Park, {Jung Woo} and Chae, {Weon Sik} and Shin, {Hee Won} and Kim, {Yong Rok} and Lee, {Jin Kyu}",

note = "Funding Information: This work was financially supported by National Research Laboratory (Grant No. M1-0302-00-0027), National R&D Project for Nano-Science and Technology (Grant No. M1-0214-00-0021), KRF (Grant No. BSRIDP0228), and Yonsei University Research Fund of 2002. We are grateful for the instrumental support from the equipment facility of CRM-KOSEF, Korea University.",

year = "2005",

doi = "10.1080/154214090892429",

language = "English",

volume = "432",

pages = "59--68",

journal = "Molecular Crystals and Liquid Crystals",

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AU - Park, Jung Woo

AU - Chae, Weon Sik

AU - Shin, Hee Won

AU - Kim, Yong Rok

AU - Lee, Jin Kyu

N1 - Funding Information: This work was financially supported by National Research Laboratory (Grant No. M1-0302-00-0027), National R&D Project for Nano-Science and Technology (Grant No. M1-0214-00-0021), KRF (Grant No. BSRIDP0228), and Yonsei University Research Fund of 2002. We are grateful for the instrumental support from the equipment facility of CRM-KOSEF, Korea University.

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Y1 - 2005

N2 - Highly ordered nanostructures of liquid-crystal molecules were patterned within porous anodic alumina of different pore diameters. As the utilized pore diameter of the porous membrane decreases, progressively red-shifted emissions are observed for the embedded liquid-crystal nanostructures at room temperature. This unique spectral progression, depending on the pore size, is very similar to the emission trend induced by the thermotropic phase-transitions of the bulk antiferroelectric liquid-crystal. Such characteristics are considered to be due to structural confinement of the antiferroelectric liquid-crystal molecules within the finite size of nanoporous channels.

AB - Highly ordered nanostructures of liquid-crystal molecules were patterned within porous anodic alumina of different pore diameters. As the utilized pore diameter of the porous membrane decreases, progressively red-shifted emissions are observed for the embedded liquid-crystal nanostructures at room temperature. This unique spectral progression, depending on the pore size, is very similar to the emission trend induced by the thermotropic phase-transitions of the bulk antiferroelectric liquid-crystal. Such characteristics are considered to be due to structural confinement of the antiferroelectric liquid-crystal molecules within the finite size of nanoporous channels.

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Fabrication of patterned liquid-crystalline nanocomposites and their novel characteristics

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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