Molybdenum disulfide nano-dot/polyaniline nano-hybrid compound and its preparation method and application
A nano-hybrid, molybdenum disulfide technology, applied in the field of medicine, can solve the problem of not finding nano-hybrid, etc., and achieve the effects of good photothermal stability, strong near-infrared absorption, and easy scale.
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Embodiment 1
[0031] The preparation method of molybdenum disulfide nano-dot / polyaniline nano-hybrid compound comprises the following steps:
[0032] (1) Add 1 g of molybdenum disulfide powder to 100 ml of nitrogen methyl pyrrolidone, ultrasonically disperse at 250W for 4 hours; let stand for 4 hours, take the supernatant and stir it at 140°C for 6 hours; centrifuge at 3000rpm for 5 Minutes; Get the supernatant and evaporate under reduced pressure at 75°C to remove nitrogen methylpyrrolidone, add 13 milliliters of ethyl acetate to separate out a yellow precipitate, filter, and dry to obtain yellow molybdenum disulfide nano-dot powder; (molybdenum disulfide nano-dot MoS for short 2 QDs)
[0033] (2) Get 30 milliliters of 20mM aniline aqueous solution and 6 milliliters of 400mM sodium lauryl sulfate aqueous solution and mix uniformly to obtain a mixed solvent; 0.01 gram of molybdenum disulfide nano-dot powder and 0.1 gram of polyvinylpyrrolidone are added to the mixed solvent, stirred for 3...
Embodiment 2
[0037] The preparation method of molybdenum disulfide nano-dot / polyaniline nano-hybrid compound comprises the following steps:
[0038](1) Add 1 g of molybdenum disulfide powder to 150 ml of nitrogen-methylpyrrolidone, disperse ultrasonically at 400W for 5 hours; let stand for 5 hours, take the supernatant and stir it at 130°C for 8 hours; centrifuge at 2000rpm for 10 Minutes; take the supernatant and evaporate under reduced pressure at 70°C to remove nitrogen methyl pyrrolidone, add 10 ml of ethyl acetate to precipitate a yellow precipitate, filter, and dry to obtain yellow molybdenum disulfide nano-dot powder;
[0039] (2) Get 30 milliliters of 10mM aniline aqueous solution and 6 milliliters of 300mM sodium lauryl sulfate aqueous solution and mix uniformly to obtain a mixed solvent; 0.01 gram of molybdenum disulfide nano-dot powder and 0.15 gram of polyvinyl pyrrolidone are added to the mixed solvent, stirred for 2 hours;
[0040] (3) Add 20 milliliters of 20mM ammonium per...
Embodiment 3
[0043] The preparation method of molybdenum disulfide nano-dot / polyaniline nano-hybrid compound comprises the following steps:
[0044] (1) Add 1 g of molybdenum disulfide powder to 200 ml of nitrogen-methylpyrrolidone, ultrasonically disperse at 500 W for 3 hours; let it stand for 2 hours, take the supernatant and stir it at 150 ° C for 6 hours; centrifuge at 4000 rpm for 5 Minutes; take the supernatant and evaporate under reduced pressure at 80°C to remove nitrogen-methylpyrrolidone, add 15 ml of ethyl acetate to precipitate a yellow precipitate, filter, and dry to obtain yellow molybdenum disulfide nano-dot powder;
[0045] (2) Get 30 milliliters of 30mM aniline aqueous solution and 6 milliliters of 500mM sodium lauryl sulfate aqueous solution and mix uniformly to obtain a mixed solvent; 0.01 gram of molybdenum disulfide nano-dot powder and 0.2 gram of polyvinylpyrrolidone are added to the mixed solvent, stirred for 4 hours;
[0046] (3) Add 20 milliliters of 40mM ammonium...
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