Orientation control over bent-core smectic liquid crystal phases

Hanim Kim, Yun Ho Kim, Sunhee Lee, David M. Walba, Noel A. Clark, Sang Bok Lee, Dong Ki Yoon

Research output: Contribution to journalReview articlepeer-review

12 Scopus citations


Bent-core smectic liquid crystal (LC) phases (B phases) have been widely studied since their unusual polar and chiral properties were discovered in the 1990s. Relatively few studies have examined the mechanisms by which the orientation of the B phase may be controlled to produce the type of macroscopic domain that is essential for organic semiconductor, optical device and patterning applications. This review is intended to cover recent progress towards controlling the B phases upon layering, including anisotropic treatment methods and topographical confinement methods. Finally, this review closes with a discussion of B smectic phases that have been fabricated for use in certain applications.

Original languageEnglish (US)
Pages (from-to)328-341
Number of pages14
JournalLiquid Crystals
Issue number3
StatePublished - Mar 2014

Bibliographical note

Funding Information:
This was supported by the National Research Foundation (NRF) Grant funded by the Korean Government (MSIP & MOE) (2012R1A1A1002486 and R31-10071), and the MRSEC Program funded by NSF DMR-0820579.


  • bent-core molecules
  • external fields
  • liquid crystal phases
  • orientation control
  • topographic confinement


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