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4 results on '"Won-Kyu Lee"'

3. Thermodynamic analysis of inclusion complexation between alpha-cyclodextrin-based molecular tube and poly(ethylene oxide)-block-poly(tetrahydrofuran)-block-poly(ethyleneoxide) triblock copolymer

Author

Taichi Ikeda, Won Kyu Lee, Tooru Ooya, and Nobuhiko Yui

Subjects
Tetrahydrofuran -- Chemical properties, Ethylene oxide -- Chemical properties, Thermodynamics -- Analysis, Chemicals, plastics and rubber industries
Abstract

Thermodynamic analysis for inclusion complexation between molecular tube (MT) and poly(ethylene oxide)-block-poly(tetrahydrofuran)-block-poly(ethyleneoxide) triblock copolymer was carried out in terms of isothermal titration calorimetry (ITC). The thermodynamic parameters suggest that van der Waals interaction, hydrophobic interaction, and hydrogen bond interaction participate in inclusion complexation.

Published
2003

4. Zinc oxide nanolevel surface transformation for liquid crystal orientation by ion bombardment

Author

Byeong-Yun Oh, Won-Kyu Lee, Young-Hwan Kim, and Dae-Shik Seo

Subjects
Coating processes -- Analysis, Ion bombardment -- Usage, Liquid crystals -- Electric properties, Liquid crystals -- Structure, Zinc oxide -- Electric properties, Zinc oxide -- Optical properties, Physics
Abstract

The characteristics of the zinc oxide (ZnO) inorganic film deposited by radio-frequency magnetron sputtering as an alternative alignment layer for liquid crystal display (LCD) applications are described. Ion beam (IB) bombardment at various incident angles is used for inducing liquid crystal (LC) alignment and has caused the measured pretilt angle on ZnO films to assume a triangular contour.

Published
2009

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