Effects of single-walled and multi-walled carbon nanotubes on the transient current in doped nematic cells in a polarity-reversed field

Hui-Yu Chen; Wei Lee

doi:10.1117/12.620849

6 October 2005 Effects of single-walled and multi-walled carbon nanotubes on the transient current in doped nematic cells in a polarity-reversed field

Hui-Yu Chen, Wei Lee

Author Affiliations +

Proceedings Volume 5947, Liquid Crystals: Optics and Applications; 59470T (2005) https://doi.org/10.1117/12.620849
Event: Congress on Optics and Optoelectronics, 2005, Warsaw, Poland

Abstract

Effects of carbon-nanotubes on the transient current induced by a polarity-reversed electric field have been observed in lightly doped nematic liquid-crystal cells at the room temperature. Experimental results indicate that a minute addition of either single-walled or multi-walled carbon nanotubes in the nematic E7 alters the peak current and its time of occurrence for a given applied voltage. It is revealed that the lightly doped cells possess a higher charge mobility in comparison with their pristine counterpart. It is also found that multi-walled carbon nanotubes as a dopant modify the transient-current behavior more substantially than the allotrope single-walled carbon nanotubes do.

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Hui-Yu Chen and Wei Lee "Effects of single-walled and multi-walled carbon nanotubes on the transient current in doped nematic cells in a polarity-reversed field", Proc. SPIE 5947, Liquid Crystals: Optics and Applications, 59470T (6 October 2005); https://doi.org/10.1117/12.620849

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