Rhombic reticular coordination polymer based on NiII and preparation method and application thereof
A coordination polymer and network technology, applied in the direction of instruments, analytical materials, measuring devices, etc., can solve the problems of high cost and poor detection effect, and achieve the effect of simple preparation method, good fluorescence activity, and large application prospects
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Embodiment 1
[0020] Example 1 is based on Ni Ⅱ rhombohedral network coordination polymer
[0021] (1) Preparation method:
[0022] 1. Add 0.0143g (0.06mmol) of NiCl 2 ·6H 2 O and 0.0176g (0.06mmol) of organic aromatic diamine ligand 1,3-bis(4-aminophenoxy)benzene (L) are put into 25mL conical flask respectively, add 4mL dehydrated alcohol respectively, heat Stir to dissolve them completely; NiCl 2 Pour the absolute ethanol solution of 1,3-bis(4-aminophenoxy)benzene into the absolute ethanol solution of 1,3-bis(4-aminophenoxy)benzene, and add 5 drops of distilled water to shake and mix well; After 15 days, green small granular crystals were obtained, and then the small granular crystals were washed, filtered and dried to obtain Ni-based Ⅱ The rhombohedral network coordination polymer crude product, the productive rate is 80%.
[0023] 2. Based on Ni Ⅱ 0.02g of the crude product of rhombohedral network coordination polymer was dissolved in 3mL of ethanol solvent to obtain its saturate...
Embodiment 2
[0028] Embodiment 2 utilizes based on Ni Ⅱ Fluorescence Activity of Rhombohedral Network Coordination Polymers for Detection of Aromatic Nitro Compounds
[0029] Method: get the Ni-based Ⅱ 0.01 g of rhombohedral network coordination polymer, and ground. Add 10 mL of acetonitrile to a 10 mL volumetric flask, and then add 0.0075 g of Ni-based Ⅱ The rhombohedral network coordination polymer will contain Ni-based Ⅱ The acetonitrile solution of the rhombohedral network coordination polymer is ultrasonically dispersed to form a suspension. Take 13 parts of the suspension, put them into 13 groups of fluorescence cuvettes respectively, and then add organic solvents dichloromethane (DCM), 1,4-dioxane (Dioxane) to these 13 groups of fluorescence cuvettes respectively. ), diethyl malonate (DM), ethyl acetate (EA), ethanol (EtOH), cyclohexane (He), methanol (MeOH), petroleum ether (PE), benzene (PhH), sec-butanol (2BA), nitrobenzene (NB), 2-nitrotoluene (2NT) and 3-nitrotoluene (3NT)...
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