Method for preparing composite air-sensitive membrane of carbon nano tube embedded with oxide quantum dots
A carbon nanotube composite and oxide technology, which is applied in the direction of measuring devices, instruments, and analytical materials, can solve the problems of difficult to accurately distinguish gas types and poor gas-sensing selectivity of carbon nanotubes.
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[0011] refer to figure 1 As shown, 1 is a substrate, 2 is an oxide particle film layer, and 3 is a carbon nanotube film. A layer of oxide film is arranged on the base, and a dendritic carbon nanotube composite film embedded with oxide quantum dots is grown on the oxide film.
[0012] refer to figure 2 The SEM photo of the carbon nanotube tin oxide composite film shown, the dendritic carbon nanotubes are wrapped by tin oxide particles, and the grown carbon nanotubes are bamboo-shaped, and it can be clearly seen that there are tin oxide quantum dots embedded in the The walls and interior of carbon nanotubes.
[0013] According to the technical scheme of the present invention, the specific requirements for the preparation method of the dendritic carbon nanotube composite gas-sensitive film embedded with oxide quantum dots are as follows: 1) the oxide particles are obtained by ball milling, and the oxide film layer is obtained by passing through a screen It is formed by printi...
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