Synthesis and application of an inorganic-organic hybrid gallium fluoride oxalate photochromic material
A photochromic material, gallium oxalate fluoride technology, applied in the direction of color-changing fluorescent material, organic compound/hydride/coordination complex catalyst, organic chemistry, etc., to achieve fast light response speed, rapid fading, good photothermal stability performance and fatigue resistance
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Embodiment 1
[0033] Example 1 Synthesis method and application of an inorganic-organic hybrid gallium fluoride photochromic material
[0034] Using gallium oxide, 4,4'-bipyridine, hydrofluoric acid, choline chloride and oxalic acid as ionic solvents, the crystal material was synthesized by reacting at 140°C for 3 days.
[0035]Add 0.5mmol of gallium oxide, 1mmol of 4,4'-bipyridine, 5mmol of hydrofluoric acid, 5mmol of choline chloride, and 10mmol of oxalic acid into a 25mL polytetrafluoroethylene-lined stainless steel kettle. Heat it in an oven at 140°C for 3 days. After the reaction was completed, the reactor was taken out and allowed to cool naturally at room temperature; the product was removed, ultrasonically washed three times with deionized water, and dried at 70°C.
[0036] The prepared crystal characterization results are as follows:
[0037] Such as figure 1 As shown, the obtained crystals are long strips with a particle size of about 30×5 μm.
[0038] Such as figure 2 As sh...
Embodiment 2
[0053] Example 2 Synthesis method and application of an inorganic-organic hybrid gallium fluoride photochromic material
[0054] Using gallium nitrate, 4,4'-bipyridine, hydrofluoric acid, choline chloride and oxalic acid as ionic solvents, the crystal material was synthesized by reacting at 135°C for 5 days.
[0055] Add 0.5mmol of gallium nitrate, 2mmol of 4,4'-bipyridine, 10mmol of hydrofluoric acid, 10mmol of choline chloride, and 30mmol of oxalic acid into a 25mL polytetrafluoroethylene-lined stainless steel kettle, and finally seal the reaction kettle and put Heat in an oven at 135°C for 5 days; after the reaction is complete, take out the reactor and let it cool naturally at room temperature; remove the product, wash it repeatedly with deionized water for 3 times, and dry it at 70°C.
[0056] The prepared crystal characterization results are as follows:
[0057] The obtained crystal has good photochromic properties, can rapidly change color under 30W ultraviolet light i...
Embodiment 3
[0058] Example 3 Synthesis method and application of an inorganic-organic hybrid gallium fluoride photochromic material
[0059] Using gallium oxyhydroxide, 2,2'-bipyridine, hydrofluoric acid, choline chloride and oxalic acid as ionic solvents, the crystal material was synthesized by reacting at 150°C for 6 days.
[0060] Add 1mmol of gallium oxyhydroxide, 1mmol of 2,2'-bipyridine, 8mmol of hydrofluoric acid, 20mmol of choline chloride, and 20mmol of oxalic acid into a 25mL polytetrafluoroethylene-lined stainless steel kettle, and finally seal the reaction kettle and place Heat it in an oven at 150°C for 6 days. After the reaction was completed, the reactor was taken out and allowed to cool naturally at room temperature; the product was removed, ultrasonically washed three times with deionized water, and dried at 70°C.
[0061] The prepared crystal characterization results are as follows:
[0062] The obtained crystal has good photochromic properties, can rapidly change colo...
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