標題: An electrically switchable surface free energy on a liquid crystal and polymer composite film
作者: Lin, Yi-Hsin
Chu, Ting-Yu
Tsou, Yu-Shih
Chang, Kai-Han
Chiu, Ya-Ping
光電工程學系
Department of Photonics
公開日期: 3-十二月-2012
摘要: An electrically switchable surface free energy on a liquid crystal and polymer composite film (LCPCF) resulting from the orientations of liquid crystal molecules is investigated. By modification of Cassie's model and the measurement based on the Chibowski's film pressure model (E. Chibowski, Adv. Colloid Interface Sci. 103, 149 (2003)), the surface free energy of LCPCF is electrically switchable from 36 x 10(-3)J/m(2) to 51 x 10(-3)J/m(2) while the average tilt angle of LC molecules changes from 0 degrees to 32 degrees with the applied pulsed voltage. The switchable surface free energy of LCPCF can help us to design biosensors and photonics devices, such as electro-optical switches, blood sensors, and sperm testers. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4769093]
URI: http://dx.doi.org/10.1063/1.4769093
http://hdl.handle.net/11536/20843
ISSN: 0003-6951
DOI: 10.1063/1.4769093
期刊: APPLIED PHYSICS LETTERS
Volume: 101
Issue: 23
結束頁: 
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  1. 000312243900083.pdf