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Chin. Phys. B, 2016, Vol. 25(9): 096101    DOI: 10.1088/1674-1056/25/9/096101
Special Issue: TOPICAL REVIEW — Physical research in liquid crystal
TOPICAL REVIEW—Physical research in liquid crystal Prev   Next  

Research progress of cholesteric liquid crystals with broadband reflection characteristics in application of intelligent optical modulation materials

Lan-Ying Zhang(张兰英)1,3, Yan-Zi Gao(高延子)1, Ping Song(宋平)1, Xiao-Juan Wu(武晓娟)2, Xiao Yuan(苑晓)1, Bao-Feng He(何宝凤)1, Xing-Wu Chen(陈兴武)2, Wang Hu(胡望)2, Ren-Wei Guo(郭仁炜)2, Hang-Jun Ding(丁杭军)2, Jiu-Mei Xiao(肖久梅)2, Huai Yang(杨槐)1,2,3
1. Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, China;
2. Department of Materials Physics and Chemistry, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China;
3. Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Peking University, Beijing 100871, China

Cholesteric liquid crystals (CLCs) have recently sparked an enormous amount of interest in the development of soft matter materials due to their unique ability to self-organize into a helical supra-molecular architecture and their excellent selective reflection of light based on the Bragg relationship. Nowadays, by the virtue of building the self-organized nanostructures with pitch gradient or non-uniform pitch distribution, extensive work has already been performed to obtain CLC films with a broad reflection band. Based on authors' many years' research experience, this critical review systematically summarizes the physical and optical background of the CLCs with broadband reflection characteristics, methods to obtain broadband reflection of CLCs, as well as the application in the field of intelligent optical modulation materials. Combined with the research status and the advantages in the field, the important basic and applied scientific problems in the research direction are also introduced.

Keywords:  cholesteric liquid crystals      soft matter materials      broadband reflection characteristics      intelligent optical modulation materials  
Received:  19 May 2016      Published:  05 September 2016
PACS:  61.30.-v (Liquid crystals)  
  61.30.Pq (Microconfined liquid crystals: droplets, cylinders, randomly confined liquid crystals, polymer dispersed liquid crystals, and porous systems)  
  78.15.+e (Optical properties of fluid materials, supercritical fluids and liquid crystals)  
  83.80.Xz (Liquid crystals: nematic, cholesteric, smectic, discotic, etc.)  

Project supported by the National Natural Science Foundation of China (Grant Nos. 51573006, 51573003, 51203003, 51303008, 51302006, 51402006, 51272026, and 51273022), the Major Project of Beijing Science and Technology Program, China (Grant Nos. Z151100003315023 and Z141100003814011), and the Fok Ying Tung Education Foundation, China (Grant No. 142009).

Corresponding Authors:  Huai Yang     E-mail:

Cite this article: 

Lan-Ying Zhang(张兰英), Yan-Zi Gao(高延子), Ping Song(宋平), Xiao-Juan Wu(武晓娟), Xiao Yuan(苑晓), Bao-Feng He(何宝凤), Xing-Wu Chen(陈兴武), Wang Hu(胡望), Ren-Wei Guo(郭仁炜), Hang-Jun Ding(丁杭军), Jiu-Mei Xiao(肖久梅), Huai Yang(杨槐) Research progress of cholesteric liquid crystals with broadband reflection characteristics in application of intelligent optical modulation materials 2016 Chin. Phys. B 25 096101

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