Hydrothermal synthetic method for coating carbon nanometer tube with molybdenum sulphide
A carbon nanotube and hydrothermal synthesis technology, which is applied in the field of hydrothermal synthesis of composite nanotubes, can solve problems such as high reaction temperature and complex reaction equipment system, and achieve the effect of low reaction temperature, simple reaction equipment and uniform coating
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Embodiment 1
[0016] Mass percent concentration is that 0.5% sodium molybdate and 0.7% thiourea aqueous solution 60 milliliters are put into the polytetrafluoroethylene liner of the autoclave of 100mL, then add the multi-walled carbon nanotube (diameter 20~40nm) of 100mg , the carbon nanotubes were uniformly dispersed in the solution by ultrasonic treatment. The polytetrafluoroethylene liner containing the mixture was sealed in a stainless steel jacket and kept at a constant temperature of 240°C for 24 hours. Then cool naturally, filter and rinse with deionized water repeatedly. Finally, after vacuum drying, a composite nanotube sample of molybdenum sulfide-coated carbon nanotubes is obtained. X-ray diffraction, high-resolution transmission electron microscopy and energy dispersive spectrum analysis prove that there are 2 to 4 layers of molybdenum sulfide uniformly coated on the surface of carbon nanotubes, and the molybdenum sulfide coated on the surface of carbon nanotubes has a good cry...
Embodiment 2
[0018] Mass percentage concentration is that 0.2% sodium molybdate and 0.2% thiourea aqueous solution 60 milliliters are put into the polytetrafluoroethylene liner of the autoclave of 100mL, then add the multi-walled carbon nanotube of 60mg, make carbon with ultrasonic treatment The nanotubes are uniformly dispersed in the solution. The polytetrafluoroethylene liner containing the mixture was sealed in a stainless steel jacket and kept at a constant temperature of 250°C for 20 hours. Then cool naturally, filter and rinse with deionized water repeatedly. Finally, after vacuum drying, a composite nanotube sample of molybdenum sulfide-coated carbon nanotubes is obtained. X-ray diffraction, high resolution transmission electron microscope and energy dispersive spectrum analysis prove that there are 2 to 3 layers of molybdenum sulfide uniformly coated on the surface of carbon nanotubes, and the molybdenum sulfide coated on the surface of carbon nanotubes has a good crystal structu...
Embodiment 3
[0020] Mass percentage concentration is that 1.5% ammonium molybdate and 2.0% thiourea aqueous solution 60 milliliters are put into the polytetrafluoroethylene liner of the autoclave of 100mL, then add the multi-walled carbon nanotube of 300mg, make carbon with ultrasonic treatment The nanotubes are uniformly dispersed in the solution. The polytetrafluoroethylene liner containing the mixture was sealed in a stainless steel jacket and kept at a constant temperature of 230°C for 30 hours. Then cool naturally, filter and rinse with deionized water repeatedly. Finally, after vacuum drying, a composite nanotube sample of molybdenum sulfide-coated carbon nanotubes is obtained. X-ray diffraction, high-resolution transmission electron microscopy and energy dispersive spectrum analysis prove that there are 2 to 6 layers of molybdenum sulfide uniformly coated on the surface of carbon nanotubes, and the molybdenum sulfide coated on the surface of carbon nanotubes has a good crystal stru...
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