Thermotropic fluorescent color-variable coordination polymer containing [Cu414]n clusters as well as synthesis method and application thereof
A coordination polymer and thermoluminescence technology, which is applied in the direction of 1/11 group organic compounds without C-metal bonds, copper organic compounds, color-changing fluorescent materials, etc., can solve the problems of short fluorescence life, high raw material cost, and luminous color Single and other problems, to achieve the effect of good monochromaticity, small distance and pure color
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specific Embodiment approach 1
[0034] Specific embodiment one: this embodiment is a kind of containing [Cu 4 I 4 ] n The thermofluorochromic coordination polymer of the cluster, the molecular formula is [Cu 4 I 4 (C 14 h 14 N 4 ) 2 ] n , the structural formula is:
[0035]
[0036] , where n is a positive integer.
specific Embodiment approach 2
[0037] Specific embodiment two: the difference between this embodiment and specific embodiment one is: the described containing [Cu 4 I 4 ] n The structural unit of the clustered thermofluorochromic coordination polymer consists of 4 central Cu + ions, 4 I - ion and two 1,4-bisimidazolylmethylbenzene ligands; each center Cu + The ion has 4 coordination bonds, respectively with 3 I - The ion coordinates with a nitrogen atom in a 1,4-bis-imidazolylmethylbenzene to form a bond. Others are the same as the first embodiment.
specific Embodiment approach 3
[0038] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is: the described containing [Cu 4 I 4 ] n Four Centers Cu in the Structural Unit of a Clustered Thermofluorochromic Coordination Polymer + ions and 4 I - ions form a [Cu 4 I 4 ] clusters, each [Cu 4 I 4 ] clusters present a twisted cubane configuration, forming a tetranuclear secondary structural unit; each [Cu 4 I 4 ] clusters form a one-dimensional right-helical chain structure through two nitrogen atoms in the 1,4-bis-imidazolylmethylbenzene ligand, and a 1,4-bis-imidazolyl chain is passed between adjacent one-dimensional right-helical chains The coordinated nitrogen atoms of the methylbenzene ligands are connected to form a two-layer structure, and the adjacent four [Cu 4 I 4 ] A channel is constructed between the clusters by four 1,4-bis-imidazolylmethylbenzene ligands, and the size of the channel is Others are the same as those in Embodiment 1 or 2. ...
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