A kind of graphene/black phosphorus quantum dot/nitrogen-containing ionic liquid composite airgel and preparation method thereof
A technology of composite airgel and quantum dots, which is applied in the direction of airgel preparation, graphene, chemical instruments and methods, etc., can solve the problems that cannot be recycled and reused, and there are no research reports on black phosphorus aerogels. Effect of improving stability and avoiding degradation
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Embodiment 1
[0065] A preparation method of graphene / black phosphorus quantum dot / 1-octyl-3-methylimidazolium hexafluorophosphate composite airgel, comprising the following steps:
[0066] Step (1). Prepare the mixed solution of uniform, stable black phosphorus quantum dots / 1-octyl-3-methylimidazolium hexafluorophosphate / N-methylpyrrolidone by solvothermal method, and its specific steps are as follows:
[0067] 1-a): 1-octyl-3-methylimidazolium hexafluorophosphate was vacuum-dried at 110° C. for 48 hours;
[0068] 1-b): Add 25 mg of bulk black phosphorus and 500 mg of dried 1-octyl-3-methylimidazolium hexafluorophosphate into an agate mortar in a mass ratio of 100:2000 for mechanical grinding for 40 Minutes; after grinding, the compound of black phosphorus / nitrogen-containing ionic liquid is moved to a round bottom flask, and the N-methylpyrrolidone (NMP) of 180mL is added to obtain the first mixed solution;
[0069] 1-c): the above-mentioned first mixed solution was deoxygenated by argon...
Embodiment 2
[0101] A preparation method of graphene / black phosphorus quantum dot / 1-octyl-3-methylimidazolium hexafluorophosphate composite airgel, comprising the following steps:
[0102] Step (1). Prepare the mixed solution of uniform, stable black phosphorus quantum dots / 1-octyl-3-methylimidazolium hexafluorophosphate / N-methylpyrrolidone by solvothermal method, and its specific steps are as follows:
[0103] 1-a): 1-octyl-3-methylimidazolium hexafluorophosphate was vacuum-dried at 110° C. for 48 hours;
[0104] 1-b): 25 mg of bulk black phosphorus and 25 mg of dried 1-octyl-3-methylimidazolium hexafluorophosphate were added to an agate mortar in a mass ratio of 100:100 for mechanical grinding for 40 Minutes; after grinding, the compound of black phosphorus / nitrogen-containing ionic liquid is moved to a round bottom flask, and the N-methylpyrrolidone (NMP) of 180mL is added to obtain the first mixed solution;
[0105] 1-c): the above-mentioned first mixed solution was deoxygenated by ar...
Embodiment 3
[0110] A preparation method of graphene / black phosphorus quantum dot / 1-octyl-3-methylimidazolium hexafluorophosphate composite airgel, comprising the following steps:
[0111] Step (1). Prepare the mixed solution of uniform, stable black phosphorus quantum dots / 1-octyl-3-methylimidazolium hexafluorophosphate / N-methylpyrrolidone by solvothermal method, and its specific steps are as follows:
[0112] 1-a): 1-octyl-3-methylimidazolium hexafluorophosphate was vacuum-dried at 110° C. for 48 hours;
[0113] 1-b): Add 25 mg of bulk black phosphorus and 5,000 mg of dried 1-octyl-3-methylimidazolium hexafluorophosphate into an agate mortar in a mass ratio of 100:20,000 for 40 Minutes; after grinding, the compound of black phosphorus / nitrogen-containing ionic liquid is moved to a round bottom flask, and the N-methylpyrrolidone (NMP) of 180mL is added to obtain the first mixed solution;
[0114] 1-c): the above-mentioned first mixed solution was deoxygenated by argon bubbling for 40 min...
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