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作 者:Xin Huang Jin He Yiguang Jiang Zhuocheng Chen Xing Duan Long Zhang 黄鑫;何进;姜益光;陈卓成;段星;张龙(CAS Key Laboratory of Materials for High Power Laser,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China;College of Materials Science and Optoelectronics Engineering,University of Chinese Academy of Sciences(UCAS),Beijing 100049,China;Hangzhou Institute for Advanced Study,UCAS,Hangzhou 310024,China;School of Materials and Chemistry,University of Shanghai for Science and Technology,Shanghai 200093,China;Center of Advanced Optoelectronic Materials and Devices,Key Laboratory of Novel Materials for Sensor of Zhejiang Province,College of Materials and Environmental Engineering,Hangzhou Dianzi University,Hangzhou 310018,China;Collaborative Innovation Center of IFSA(CICIFSA),Shanghai Jiao Tong University,Shanghai 200240,China)
机构地区:[1]CAS Key Laboratory of Materials for High Power Laser,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China [2]College of Materials Science and Optoelectronics Engineering,University of Chinese Academy of Sciences(UCAS),Beijing 100049,China [3]Hangzhou Institute for Advanced Study,UCAS,Hangzhou 310024,China [4]School of Materials and Chemistry,University of Shanghai for Science and Technology,Shanghai 200093,China [5]Center of Advanced Optoelectronic Materials and Devices,Key Laboratory of Novel Materials for Sensor of Zhejiang Province,College of Materials and Environmental Engineering,Hangzhou Dianzi University,Hangzhou 310018,China [6]Collaborative Innovation Center of IFSA(CICIFSA),Shanghai Jiao Tong University,Shanghai 200240,China
出 处:《Chinese Optics Letters》2022年第9期49-54,共6页中国光学快报(英文版)
基 金:financially supported by the National Key Research&Development Program of China(No.2017YFB0310503);National Natural Science Foundation of China(Nos.U1830125,11535010,and 52002384);the support of Pujiang Talent Plan(No.2020PJD079)。
摘 要:Zeolitic imidazolate framework-8(ZIF-8),a metal-organic framework(MOF)with a non-centrosymmetric crystal structure,exhibits nonlinear optics(NLO)properties and can act as the nanoporous matrix of guest molecules.Amorphization of ZIF-8 can be achieved by pressure or high temperature.Both crystalline and amorphous states have their inherent features for optical applications.The effects of the crystalline-amorphous transition on the structural and optical properties under pressure were investigated in detail.Amorphization leads to the destruction of the ZIF-8 lattice structure,collapse of pores,and the change of spatial symmetry,which in turn alters the NLO properties of ZIF-8 and the luminescence properties of the guest Eu cations.Our results establish the structure–optical properties relationship in the amorphization process and provide new clues in designing novel MOFs optical materials.
关 键 词:ZIF-8 STRUCTURE optical properties PRESSURE
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