首页|A deep insight of the photoluminescence property changes of Cd(II)-based metal-organic framework induced by an aeolotropic structure transition under high pressure
A deep insight of the photoluminescence property changes of Cd(II)-based metal-organic framework induced by an aeolotropic structure transition under high pressure
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Themetal-organic framework(MOF)materials could exhibit advanced applications in many fields and their mechanical stability upon external stimuli is extre 1 important for the applications.Here,we discovered a Cd(II)-based metal-organic framework(Cd-MOF)exhibits a very high structural stability and the Cd MOF structure remains stable and reversible upon compression up to at least 28 GPa,a pressure that has never been reported before.Moreover,this Cd-MOF material shows an obvious change in the photoluminescence(PL)emission upon compression,which has blue-green luminance at ambient conditions,while the blue emission is preserved but the green emission is quenched at above 5 GPa.This transition in PL emission is due to a pressure-induced framework transition,which is caus d h an anisotropic compression of Cd-MOF framework under pressure,as revealed by our theoretical simulations.Our results show that such highly stable MOF framework could exhibit a potential for applications under extreme conditions as a novel optical material.
Dedi Liu、Dapeng Dong、Zhen Yao
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Liaoning Key Lab of Plasma Technology,School of Physics and Materials Engineering Dalian Minzu University,Dalian,116600,PR China
State Key Laboratory of Superhard Materials,Jilin University,Changchun,130012,PR China
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