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Controllable Fluorescence Switching of a Coordination Chain Based on the Photoinduced Single-Crystal-to-Single-Crystal Reversible Transformation of a syn-[2.2]Metacyclophane
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2018-01-02 00:00:00 , DOI: 10.1021/acs.inorgchem.7b02817 Ni-Ya Li 1, 2 , Dong Liu 2 , Zhi-Gang Ren 1 , Christina Lollar 3 , Jian-Ping Lang 1 , Hong-Cai Zhou 3
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2018-01-02 00:00:00 , DOI: 10.1021/acs.inorgchem.7b02817 Ni-Ya Li 1, 2 , Dong Liu 2 , Zhi-Gang Ren 1 , Christina Lollar 3 , Jian-Ping Lang 1 , Hong-Cai Zhou 3
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The observation of a reversible chemical transformation corresponding to an external stimulus in the solid state is intriguing in the exploration of smart materials, which can potentially be applied in molecular machines, molecular switches, sensors, and data storage devices. The solid-state photodimerization reaction of 1,3-bis[2-(4-pyridyl)ethenyl]benzene (1,3-bpeb) in a one-dimensional coordination polymer {[Cd2(1,3-bpeb)2(4-FBA)4]·H2O}n (4-FBA = 4-fluorobenzoate) with 365 nm UV light afforded syn-tetrakis(4-pyridyl)-1,2,9,10-diethano[2.2]metacyclophane (syn-tpmcp) in quantitative yield via a single-crystal-to-single-crystal (SCSC) transformation. Upon irradiation with 254 nm UV light, an SCSC conversion from syn-tpmcp to 1,3-bpeb was also achieved in quantitative yield within the syn-tpmcp-supported coordination polymer {[Cd2(syn-tpmcp)(4-FBA)4]·H2O}n. In particular, accompanied by the reversible transformation between 1,3-bpeb and syn-tpmcp, the coordination chain exhibits photocontrollable fluorescence-switching behavior, which makes this intelligent material an appealing candidate for practical applications.
中文翻译：
基于顺式[[2.2]]甲基杂环的光诱导单晶至单晶可逆转变的配位链的可控荧光转换
在研究智能材料时，观察到与固态外部刺激相对应的可逆化学转化，这很有趣，它可以潜在地应用于分子机器，分子开关，传感器和数据存储设备中。一维配位聚合物{[Cd 2（1,3-bpeb）2（ 4-FBA）4 ]·H 2 O} n（4-FBA = 4-氟苯甲酸酯）于365 nm紫外光提供顺-四（4-吡啶基）-1,2,9,10-二硫杂[2.2]间环phane（同步-tpmcp）通过单晶到单晶（SCSC）转换的定量收率。当用254nm的UV光照射，从SCSC转换顺-tpmcp 1,3- BPEB也定量产率的内达到SYN -tpmcp支持的配位聚合物{[CD 2（顺式-tpmcp）（4-FBA）4 ]·H 2 O} n。尤其是，伴随着1,3-bpeb与syn -tpmcp之间的可逆转化，配位链表现出光可控的荧光转换行为，这使这种智能材料成为实际应用中的吸引人的候选者。
更新日期：2018-01-02
中文翻译：
基于顺式[[2.2]]甲基杂环的光诱导单晶至单晶可逆转变的配位链的可控荧光转换
在研究智能材料时，观察到与固态外部刺激相对应的可逆化学转化，这很有趣，它可以潜在地应用于分子机器，分子开关，传感器和数据存储设备中。一维配位聚合物{[Cd 2（1,3-bpeb）2（ 4-FBA）4 ]·H 2 O} n（4-FBA = 4-氟苯甲酸酯）于365 nm紫外光提供顺-四（4-吡啶基）-1,2,9,10-二硫杂[2.2]间环phane（同步-tpmcp）通过单晶到单晶（SCSC）转换的定量收率。当用254nm的UV光照射，从SCSC转换顺-tpmcp 1,3- BPEB也定量产率的内达到SYN -tpmcp支持的配位聚合物{[CD 2（顺式-tpmcp）（4-FBA）4 ]·H 2 O} n。尤其是，伴随着1,3-bpeb与syn -tpmcp之间的可逆转化，配位链表现出光可控的荧光转换行为，这使这种智能材料成为实际应用中的吸引人的候选者。
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