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Electroactive super elongation of carbon nanotube clusters in liquid crystal medium and its display application

  • Seung Hee Lee
  • , Byeong Gyun Kang
  • , Dong Won Kwon
  • , Young Jin Lim
  • , Kyu Lee
  • , Young Hee Lee
  • , Minhee Yun
  • Jeonbuk National University
  • Sungkyunkwan University
  • University of Pittsburgh

Research output: Contribution to conferenceConference paperpeer-review

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.

Original languageEnglish
Title of host publicationEmerging Liquid Crystal Technologies V
DOIs
StatePublished - 2010
EventEmerging Liquid Crystal Technologies V - San Francisco, CA, United States
Duration: 2010.01.252010.01.27

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume7618
ISSN (Print)0277-786X

Conference

ConferenceEmerging Liquid Crystal Technologies V
Country/TerritoryUnited States
CitySan Francisco, CA
Period10.01.2510.01.27

Keywords

  • Carbon nanotubes
  • Elongation
  • Light modulation
  • Liquid crystal

Quacquarelli Symonds(QS) Subject Topics

  • Materials Science
  • Computer Science & Information Systems
  • Mathematics
  • Engineering - Electrical & Electronic
  • Engineering - Petroleum
  • Data Science
  • Physics & Astronomy

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