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Photo-responsive functional materials based on light-driven molecular motors
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国家科技期刊平台
NETL
NSTL
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In the past two decades,the research and development of light-triggered molecular machines have mainly focused on developing molecular devices at the nanoscale.A key scientific issue in the field is how to amplify the controlled motion of molecules at the nanoscale along multiple length scales,such as the mesoscopic or the macroscopic scale,or in a more practical perspective,how to convert molecular motion into changes of properties of a macroscopic material.Light-driven molecular motors are able to perform repetitive unidirectional rotation upon irradiation,which offers unique opportunities for responsive macroscopic systems.With several reviews that focus on the design,synthesis and operation of the motors at the nanoscale,photo-responsive macroscopic materials based on light-driven molecular motors have not been comprehensively summarized.In the present review,we first discuss the strategy of confining absolute molecular rotation into relative rotation by grafting motors on surfaces.Secondly,examples of self-assemble motors in supramolecular polymers with high internal order are illustrated.Moreover,we will focus on building of motors in a covalently linked system such as polymeric gels and polymeric liquid crystals to generate complex responsive functions.Finally,a perspective toward future developments and opportunities is given.This review helps us getting a more and more clear picture and understanding on how complex movement can be programmed in light-responsive systems and how man-made adaptive materials can be invented,which can serve as an important guideline for further design of complex and advanced responsive materials.
SCNU-UG International Joint Laboratory of Molecular Science and Displays,National Center for International Research on Green Optoelectronics,South China Normal University,Guangzhou 510006,China
Stratingh Institute for Chemistry,University of Groningen,Nijenborgh 4,9747AG Groningen,The Netherlands
国家重点研发计划Science and Technology Projects in GuangzhouGuangdong Provincial Key Laboratory of Optical Information Materials and TechnologyNetherlands Ministry of Education,Culture and Science(Gravitation Program)
国家科技期刊平台
NSTL
万方数据
