A method for preparing monolayer molybdenum disulfide based on electrolyte solvent hot insertion lithium stripping
A single-layer molybdenum disulfide and electrolyte technology, applied in molybdenum sulfide, nanotechnology for materials and surface science, nanotechnology, etc., to achieve the effect of novel preparation method, simple preparation process and low production cost
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Embodiment 1
[0031] (1) In the glove box, use the protection of high-purity Ar gas to weigh out 1.519g of LiPF 6 Place it in a 15ml reagent bottle, and then measure 5ml of diethyl carbonate and 5ml of dimethyl carbonate into the 15ml reagent bottle to completely dissolve to form a transparent solution, which is LiPF with a concentration of 1mol / l 6 Electrolyte
[0032] (2) Weigh 0.8g of molybdenum powder, then measure 5ml (30%) concentration of hydrogen peroxide solution into a 10ml beaker, slowly add the weighed molybdenum powder to the hydrogen peroxide solution under ice bath conditions, and Stir constantly. After the reaction is complete, measure 50ml of deionized water and add it to the solution, dilute it to 0.15mol / L, continue stirring for 25min to obtain a uniform orange solution, and then transfer it to 75ml reaction In the kettle, hydrothermally heat at 150°C for 30 hours. After it is naturally cooled, the milky white suspension obtained is filtered through suction, and then cleaned ...
Embodiment 2
[0037] (1) In the glove box, use the protection of high-purity Ar gas to weigh out 3.038g of LiPF 6 Place it in a 30ml reagent bottle, and then measure 10ml of diethyl carbonate and 10ml of dimethyl carbonate into the reagent bottle to completely dissolve to form a transparent solution, which is LiPF with a concentration of 1mol / l 6 Electrolyte
[0038] (2) Weigh 1.2g of molybdenum powder, then measure 10ml (30%) concentration of hydrogen peroxide solution into a 15ml beaker, slowly add the weighed molybdenum powder to the hydrogen peroxide solution under ice bath conditions, and Stir constantly. After the reaction is complete, measure 50ml of deionized water and add it to the solution, dilute it to 0.2mol / L, continue stirring for 35min to obtain a uniform orange solution, and then transfer it to 100ml reaction In the kettle, heat it with water for 36 hours at 200℃. After it is naturally cooled, the milky white suspension obtained is filtered by suction, and then cleaned by high-s...
Embodiment 3
[0043] (1) Weigh 4.557g of LiPF in the glove box, protected by high-purity Ar gas 6 Place it in a 50ml reagent bottle, and then measure 15ml of diethyl carbonate and 15ml of dimethyl carbonate into the reagent bottle to completely dissolve to form a transparent solution, which is a LiPF6 electrolyte with a concentration of 1mol / l;
[0044] (2) Weigh 2g of molybdenum powder, then measure 20ml (30%) concentration of hydrogen peroxide solution into a 30ml beaker, slowly add the weighed molybdenum powder to the hydrogen peroxide solution under ice bath conditions, and continue After the reaction is complete, measure 50ml of deionized water and add it to the solution, dilute it to 0.25mol / L, continue to stir for 45min to obtain a uniform orange solution, and then transfer it to a 150ml reactor In the medium, hydrothermally heated at 250°C for 40 hours, and after it is naturally cooled, the milky white suspension obtained is filtered by suction, and then cleaned by high-speed centrifuga...
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