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A Semiconducting Copper(II) Coordination Polymer with (4,4) Square Grid Topology: Synthesis, Characterization, and Application in the Formation of a Photoswitch
Crystal Growth & Design ( IF 3.8 ) Pub Date : 2018-01-16 00:00:00 , DOI: 10.1021/acs.cgd.7b00830
Samim Khan 1 , Soumi Halder 2 , Partha Pratim Ray 2 , Santiago Herrero 3 , Rodrigo González-Prieto 3 , Michael G. B. Drew 4 , Shouvik Chattopadhyay 1
Affiliation  

A phenoxo and end-to-end thiocyanate bridged copper(II) coordination polymer (CP), [Cu2L2(μ-1,3-SCN)2]n, where HL is an potential tetradentate N2O2 donor Schiff base ligand, 2-(2-(ethylamino)ethylimino)methyl)-6-ethoxyphenol, has been synthesized and characterized. The band gap, bulk capacitance, electron lifetime, relaxation time, dielectric constant, and DC conductivity of the complex in the solid state have been studied. Variable temperature magnetic susceptibility measurement indicates the presence of weak antiferromagnetic interactions among the copper(II) centers with J = −0.97 cm–1. The complex shows increase in conductivity when illuminated with visible light (photosensitivity ∼2.833).

中文翻译:

具有(4,4)方格拓扑的半导体铜(II)配位聚合物:合成,表征及其在光开关形成中的应用

苯氧基和端对端硫氰酸盐桥连的铜(II)配位聚合物(CP)[Cu 2 L 2(μ-1,3-SCN)2 ] n,其中HL是潜在的四齿N 2 O 2供体席夫已经合成并表征了碱性配体2-(2-(乙基氨基)乙基亚氨基)甲基)-6-乙氧基苯酚。研究了固态配合物的带隙,体电容,电子寿命,弛豫时间,介电常数和直流电导率。可变温度磁化率测量表明,铜(II)中心之间存在弱的反铁磁相互作用,J = −0.97 cm –1。当用可见光照射时,该配合物显示出电导率的增加(光敏度约为2.833)。
更新日期:2018-01-16
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