Electro-optical properties of a twisted nematic-montmorillonite-clay nanocomposite

Tsung Yen Tsai, Yuan Pin Huang, Hui Yu Chen, Wei Lee*, Yun Min Chang, Wei Kuo Chin

*Corresponding author for this work

研究成果: Article同行評審

16 引文 斯高帕斯(Scopus)


The optical transmittance and the electrical capacitance as a function of the externally applied dc voltage are obtained for a twisted nematic cell composed of inorganic clay; i.e., sodium montmorillonite, as an additive to the organic liquid crystal E7. Higher loaded nematic, with smectite clay content of over 3 wt%, exhibits wider voltage-transmittance and voltage-capacitance hystereses, indicating that such cells suffer from more serious ion-charge effects and the orientation barrier of the liquid crystal. Experimental evidence suggests that the addition of merely 0.5-1% by weight of clay substantially rectifies the electro-optical characteristics of the pristine nematic, leading to an apparent lowering of the dc threshold voltage.

頁(從 - 到)1053-1057
出版狀態Published - 1 八月 2005

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