Luminous crystal material with the performance of bitter acidity {[CU (DMSO) 5 ] [CU 4 i 6 (DMSO)]} n the preparation method of
A technology of luminescent crystals and picric acid, which is applied to luminescent materials, material analysis by optical means, and material analysis, etc., can solve the problems of expensive equipment, moving equipment at any time, complexity, etc., and achieves high yield, easy availability of raw materials, Good detection performance
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Embodiment 1
[0023] Embodiment 1: The present invention has the luminescent crystal material {[Cu(DMSO) of detecting picric acid 5 ][Cu 4 I 6 (DMSO)]} n The preparation method comprises the following steps:
[0024] In the first step, 1 mmol of cuprous iodide was added to 3 ml of dimethyl sulfoxide solution, and stirred for 30 minutes;
[0025] In the second step, hydrochloric acid is added dropwise to the solution prepared in the first step to adjust pH=2;
[0026] In the third step, the solution prepared in the second step was stirred at room temperature for two hours to obtain a luminescent crystal material {[Cu(DMSO) 5 ][Cu 4 I 6 (DMSO)]} n solution and filtered;
[0027] The fourth step, to the luminescent crystal material {[Cu(DMSO) 5 ][Cu 4 I 6 (DMSO)]} n Add isopropanol to the solution, crystallize to obtain yellow blocky crystals, filter, wash and dry to obtain the luminescent crystal material {[Cu(DMSO) 5 ][Cu 4 I 6 (DMSO)]} n .
[0028] Picric acid detection per...
Embodiment 2
[0029] Embodiment 2: The present invention has the luminescent crystal material {[Cu(DMSO) of detecting picric acid 5 ][Cu 4 I 6 (DMSO)]} n The preparation method comprises the following steps:
[0030] In the first step, 1 mmol of cuprous iodide was added to 3 ml of dimethyl sulfoxide solution, and stirred for 30 minutes;
[0031] In the second step, hydrochloric acid is added dropwise to the solution prepared in the first step to adjust pH=3;
[0032] In the third step, the solution prepared in the second step was stirred at room temperature for two hours to obtain a luminescent crystal material {[Cu(DMSO) 5 ][Cu 4 I 6 (DMSO)]} n solution and filtered;
[0033]The fourth step, to the luminescent crystal material {[Cu(DMSO) 5 ][Cu 4 I 6 (DMSO)]} n Add isopropanol to the solution, crystallize to obtain yellow blocky crystals, filter, wash and dry to obtain the luminescent crystal material {[Cu(DMSO) 5 ][Cu 4 I 6 (DMSO)]} n .
[0034] Picric acid detection perf...
Embodiment 3
[0035] Embodiment 3: The present invention has the luminescent crystal material {[Cu(DMSO) for detection of picric acid 5 ][Cu 4 I 6 (DMSO)]} n The preparation method comprises the following steps:
[0036] In the first step, 1 mmol of cuprous iodide was added to 3 ml of dimethyl sulfoxide solution, and stirred for 30 minutes;
[0037] In the second step, hydrochloric acid is added dropwise to the solution prepared in the first step to adjust pH=4;
[0038] In the third step, the solution prepared in the second step was stirred at room temperature for two hours to obtain a luminescent crystal material {[Cu(DMSO) 5 ][Cu 4 I 6 (DMSO)]} n solution and filtered;
[0039] The fourth step, to the luminescent crystal material {[Cu(DMSO) 5 ][Cu 4 I 6 (DMSO)]} n Add isopropanol to the solution, crystallize to obtain yellow blocky crystals, filter, wash and dry to obtain the luminescent crystal material {[Cu(DMSO) 5 ][Cu 4 I 6 (DMSO)]} n .
[0040] Picric acid detection...
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