Dancing with Light : Advances in Photofunctional Liquid-Crystalline Materials book cover
1st Edition

Dancing with Light
Advances in Photofunctional Liquid-Crystalline Materials

ISBN 9789814411110
Published February 25, 2015 by Jenny Stanford Publishing
280 Pages - 3 Color & 213 B/W Illustrations

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Book Description

Liquid crystal (LC) displays dominating in the present market of flat panel displays are generally based on interactions of light and LCs. Recent progress in this field indicates that integrating photochromic molecules into LC materials enables one to photomanipulate unique features such as photoinduced phase transition, photocontrolled alignment, and phototriggered molecular cooperative motion, giving birth to their novel applications beyond displays. For instance, on connecting with three-dimensionally crosslinked elastomers, LCs show photomechanical and photomobile properties, converting light energy directly into mechanical work. Combining supramolecular cooperative motion with microphase separation of well-defined block copolymers, they exhibit controllable regular nanostructures on a macroscopic scale with excellent reproducibility and mass production.

This book first introduces the basic knowledge on LCs in a step-by-step manner and then deeply discusses photoresponsive LCs in low-molecular-weight compounds or small molecules, polymers or macromolecules, elastomers, and block copolymers, respectively. The engrossing photoresponsive LC materials offer an effective and convenient chance to adjust properties of advanced materials by integrating photoresponsive molecules with LC properties, which has become one of the emerging topics in the present and future LC researches. This book comprehensively compiles the nature of this type of materials and the ongoing progress in this research area and uses graphs and figures extensively to enhance understanding especially of beginners. This book would be useful for students and primary researchers in soft materials and self-organized materials in both chemistry and physics. It may also serve as a reference for experienced researchers to keep up the current research trends in photoresponsive LC materials.

Table of Contents

Introduction of LCs
Structures and Properties (Chemistry and Physics)
LC Alignment
Light and LC Displays
Photomodulation of LCs (Effect of light on LCs)
LMW LC Actuators
Photoresponsive LC Polymers
Photomobile of LC Elastomer (LCE)
Photoactive LC Block Copolymer (LCBC)
Supramolecular LCP systems

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Haifeng Yu has been leading a research group that is working on liquid crystals and micro/nano composite materials, light-responsive soft matters, and supramolecular self-assembled materials since 2012 at Peking University, China. He received his PhD from Tsinghua University, China, in 2003, after which he went to Japan, where he worked for four and a half years as a researcher at Tokyo Institute of Technology, Japan, and Kyoto University, Japan. He joined Nagaoka University of Technology, Japan, as a specially appointed associate professor in 2008. He received the 2010 Distinguished Lectureship Award of the Asian International Symposium on Nanotechnology and Materials Chemistry. He was also the 2011 National Thousand Young Talents Program award recipient. In 2013, he obtained the NSFC Award for Excellent Young Scholar.