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A novel heterostranded double-helical coordination polymer with chiral channels emitting blue fluorescence

机译:具有手性通道发射蓝色荧光的新型异链双螺旋配位聚合物

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摘要

A novel heterostranded double-helical coordination polymer is self-assembly from two flexible ligands, 4-carboxymethylbenzoic acid (H2L) and 1,1'-(1,4-butanediyl)bis(imidazole) (abbr. as bbi), with Zn~(2+) ion under solvent-thermal condition. The heterostranded double-helix constructs a chiral channel, which is filled by lattice water molecules;; the adjacent heterostranded double-helical channels share Zn~(2+) ions to develop into a homochiral helical two-dimensional sheet, and the right- and left-handed chiral sheets further array in an alternating fashion to generate a racemic crystal via van de Waals forces. This coordination polymer emits blue fluorescence in the solid state.
机译:一种新型的异链双螺旋配位聚合物是由两个柔性配体(4-羧甲基苯甲酸(H2L)和1,1'-(1,4-丁二基)双咪唑)(简称bbi)自组装而成,并带有锌溶剂-热条件下的〜(2+)离子。异链双螺旋构成手性通道,该通道被晶格水分子填充;相邻的异链双螺旋通道共享Zn〜(2+)离子,发展为同手性螺旋二维片,右手和左手性片进一步交替排列以通过van de生成外消旋晶体华力。该配位聚合物以固态发射蓝色荧光。

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