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Identifying anisotropy in seemingly random CNT networks using terahertz techniques

Bârsan, Oana A.; He, Guoqiang; Alkorre, Hameda; Stiens, Johan; de With, Gijsbertus

By 12 March 2019No Comments

Composites Science and Technology, 2017, vol 151pp. 43753

DOI:10.1016/j.compscitech.2017.08.004

Abstract

Characterizing and understanding carbon nanotube (CNT)-based polymer composites plays a crucial role for the ability to customize their properties. The (an)isotropy of CNT networks inside a composite can have significant effects on the final material’s properties. However, characterizing the (an)isotropy of seemingly random CNT networks can be difficult using standard techniques. In this letter, we show that terahertz polarization sensitive measurements can provide a reliable, noninvasive and fast way of identifying anisotropy in seemingly homogenous CNT networks as based on criteria by standard techniques.

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