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Electrically Controllable Selective Reflection of Chiral Nematic Liquid Crystal/Chiral Ionic Liquid Composites
Author(s) -
Hu Wang,
Zhao Haiyan,
Song Li,
Yang Zhou,
Cao Hui,
Cheng Zihui,
Liu Qing,
Yang Huai
Publication year - 2010
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200902213
Subject(s) - liquid crystal , ionic liquid , materials science , reflection (computer programming) , composite number , bandwidth (computing) , optics , electric field , scattering , composite film , optoelectronics , composite material , organic chemistry , computer science , physics , telecommunications , chemistry , programming language , catalysis , quantum mechanics
A chiral nematic liquid crystal/chiral ionic liquid composite with unique electro‐optical characteristics is reported. The composite can be switched electrically between three different light states: transparent, scattering, and mirror reflecting (see images). Moreover, the reflection bandwidth can be controlled accurately and reversibly by adjusting the intensity of the electric field applied.