An electrically switchable surface free energy on a liquid crystal and polymer composite film

Yi Hsin Lin*, Ting Yu Chu, Yu Shih Tsou, Kai Han Chang, Ya Ping Chiu

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

20 引文 斯高帕斯(Scopus)

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 × 10-3J/m2 to 51 × 10-3 J / m2 while the average tilt angle of LC molecules changes from 0° to 32° 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.

原文英語
文章編號233502
期刊Applied Physics Letters
101
發行號23
DOIs
出版狀態已發佈 - 2012 十二月 3

ASJC Scopus subject areas

  • 物理與天文學(雜項)

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