Reversible photo/thermal solid-state transformation of a coordination polymer,CrystEngComm

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Reversible photo/thermal solid-state transformation of a coordination polymer
CrystEngComm ( IF 2.6 ) Pub Date : 2020-08-25 , DOI: 10.1039/d0ce00905a
Sheng-En Qiu _{1,

2,

3,

4,

5} , Shi-Yao Yang _{1,

2,

3,

4,

5}

Affiliation

A 2D coordination polymer, 1, was synthesized, characterized, and investigated with single-crystal-to-single-crystal photoreaction and thermal pyrolysis. It could undergo two-step photoaddition upon UV irradiation: at the first step, the parallel polycatenated 2D topology of the structure changed into 4-fold interpenetrating 3D nets; at the second step, a new compound with an unreported 3D net topology was formed. Upon heating, the cyclobutanes in the photoreaction product underwent a ring opening reaction. The photoluminescence of 1 was determined by its structure; it emitted green fluorescence, and after photoaddition and photopolymerization, it emitted blue fluorescence. 1 may be a photo/thermo-switchable dual-color green-to-blue fluorescence material.

中文翻译：

配位聚合物的可逆光/热固态转变

合成，表征了二维配位聚合物1，并进行了单晶至单晶光反应和热解的研究。在紫外线照射下，它可能经历两步光加成反应：第一步，将结构的平行多链2D拓扑更改为4倍互穿3D网络。在第二步中，形成了具有未报告3D网络拓扑的新化合物。加热后，光反应产物中的环丁烷发生开环反应。1的光致发光由其结构决定；它发出绿色荧光，经过光加成和光聚合后，它发出蓝色荧光。1可以是光/热可切换的双色绿色至蓝色荧光材料。

更新日期：2020-10-05

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