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Proceedings Paper

Electroactive super elongation of carbon nanotube clusters in liquid crystal medium and its display application
Author(s): Seung Hee Lee; Byeong Gyun Kang; Dong Won Kwon; Young Jin Lim; Kyu Lee; Young Hee Lee; Minhee Yun
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Paper Abstract

Carbon nanotubes (CNTs) can exist as clusters whenever doping amount in nematic liquid crystal (LC) mixture exceeds critical point. Based on experimental observation of electric field-dependent shape of the CNT cluster, it elongates along the field direction and its original morphology of the cluster is restored after the removal of the field. The elongation was fully reversible only below a certain breakdown field. Both clusters and elongated CNTs were observed under nonpolarized and polarized light. The cluster absorbs incident light completely while the elongated one absorbs light propagating along the long axis only. Utilizing the field-controlled cluster, light modulation for display application is possible.

Paper Details

Date Published: 12 February 2010
PDF: 5 pages
Proc. SPIE 7618, Emerging Liquid Crystal Technologies V, 76180K (12 February 2010); doi: 10.1117/12.848967
Show Author Affiliations
Seung Hee Lee, Chonbuk National Univ. (Korea, Republic of)
Byeong Gyun Kang, Chonbuk National Univ. (Korea, Republic of)
Dong Won Kwon, Chonbuk National Univ. (Korea, Republic of)
Young Jin Lim, Chonbuk National Univ. (Korea, Republic of)
Kyu Lee, Sungkyunkwan Univ. (Korea, Republic of)
Young Hee Lee, Sungkyunkwan Univ. (Korea, Republic of)
Minhee Yun, Univ. of Pittsburgh (United States)


Published in SPIE Proceedings Vol. 7618:
Emerging Liquid Crystal Technologies V
Liang-Chy Chien, Editor(s)

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