Preparation method of vanadium doping molybdenum disulfide nanoflower with defects and electrocatalysis application thereof
A molybdenum disulfide, nanoflower technology, applied in the direction of molybdenum sulfide, nanotechnology, electrodes, etc.
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Embodiment 1
[0018] Step 1: Take a 50 mL hydrothermal reaction kettle for laboratory use. The hydrothermal reaction kettle has a stainless steel shell and a polytetrafluoroethylene liner. Take 40 mL of deionized water and add it to a 50 mL polytetrafluoroethylene liner, add molybdenum trioxide (0.5760 g, 4.0 mmol) and potassium thiocyanate (1.9436 g, 20 mmol) sequentially under stirring, and heat the autoclave After sealing, place in an oven at 180 °C for 30 h. After natural cooling, deionized water and ethanol were used to centrifugally wash and dry in vacuum to obtain black molybdenum disulfide nanopowder with defects.
[0019] Step 2: Take a 50 mL hydrothermal reaction kettle for laboratory use. The hydrothermal reaction kettle has a stainless steel shell and a polytetrafluoroethylene liner. Add 40 mL of deionized water into a 50 mL polytetrafluoroethylene liner, add vanadium trichloride (0.1573 g, 1.0 mmol) and defective molybdenum disulfide (1.9208 g, 12 mmol) in turn under stirring,...
Embodiment 2
[0028] Step 1: Take a 50 mL hydrothermal reaction kettle for laboratory use. The hydrothermal reaction kettle has a stainless steel shell and a polytetrafluoroethylene liner. Take 40 mL of deionized water and add it to a 50 mL polytetrafluoroethylene liner, add ammonium molybdate (0.7840 g, 4.0 mmol) and thioacetamide (2.4042 g, 32 mmol) in turn under stirring, and heat the autoclave After sealing, place it in an oven at 190°C for 26 hours. After natural cooling, deionized water and ethanol were used to centrifugally wash and dry in vacuum to obtain black molybdenum disulfide nanopowder with defects.
[0029] Step 2: Take a 50 mL hydrothermal reaction kettle for laboratory use. The hydrothermal reaction kettle has a stainless steel shell and a polytetrafluoroethylene liner. Take 40 mL of deionized water and add it to a 50 mL polytetrafluoroethylene liner, add ammonium metavanate (0.1404 g, 1.2 mmol) and defective molybdenum disulfide (2.4011 g, 15 mmol) in turn under stirring...
Embodiment 3
[0038] Step 1: Take a 50 mL hydrothermal reaction kettle for laboratory use. The hydrothermal reaction kettle has a stainless steel shell and a polytetrafluoroethylene liner. Take 40 mL of deionized water and add it to a 50 mL polytetrafluoroethylene liner, add sodium molybdate (1.2098 g, 5.0 mmol) and thiourea (3.8060 g, 50 mmol) in sequence under stirring, and seal the hydrothermal autoclave Incubate in an oven at 200 °C for 24 h. After natural cooling, deionized water and ethanol were used to centrifugally wash and dry in vacuum to obtain black molybdenum disulfide nanopowder with defects.
[0039] Step 2: Take a 50 mL hydrothermal reaction kettle for laboratory use. The hydrothermal reaction kettle has a stainless steel shell and a polytetrafluoroethylene liner. Take 40 mL of deionized water and add it to a 50 mL polytetrafluoroethylene liner, add vanadium pentoxide (0.3640 g, 2.0 mmol) and defected molybdenum disulfide (2.8813 g, 18 mmol) in turn under stirring, and cont...
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