Silver and indium oxide composite nanorod array formaldehyde air-sensitive material and preparation method thereof
A technology of nanorod array and indium oxide, which is applied in chemical instruments and methods, nanotechnology, nanotechnology, etc., to achieve the effects of reducing sintering, enhancing thermal stability, and accelerating response and recovery speed
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[0027] Example 1: A silver-indium oxide composite nanorod array formaldehyde gas sensitive material, the formaldehyde gas sensitive material is formed by the hexagonal periodic arrangement of silver-indium oxide composite nanorods, and the length between the nanorods is 2-5nm Connected, the nanorod has a diameter of 9 nm and a length of 20-500 nm, and the mass percentage of the silver in the composite is 9.4%.
[0028] The preparation method of the silver-indium oxide composite nanorod array formaldehyde gas sensitive material is:
[0029] 8.0g surfactant P123, 60g water and 240g 2 M hydrochloric acid were mixed at 35℃, stirred for 12 hours until all the surfactants were dissolved and dispersed uniformly, then 16.72g ethyl orthosilicate TEOS was added and stirred for 5 minutes After that, it was transferred to a PTFE bottle and left in an oven at 35°C for 20 hours, followed by a hydrothermal reaction at 130°C for 5 days. After natural cooling, it was filtered, washed, and dried at ...
Example Embodiment
[0033] Example 2: A silver-indium oxide composite nanorod array formaldehyde gas sensitive material, the formaldehyde gas sensitive material is formed by a hexagonal periodic arrangement of silver-indium oxide composite nanorods, and the length between the nanorods is 2-5nm Connected, the nanorods have a diameter of 9 nm and a length of 20-500 nm, and the mass percentage of the silver in the composite is 0.2%.
[0034] The preparation method of the silver-indium oxide composite nanorod array formaldehyde gas sensitive material is:
[0035] 8.0 g surfactant P123, 60 g water and 240 g 2 M hydrochloric acid were mixed at 35°C, stirred for 12 hours until the surfactant was completely dissolved and dispersed uniformly, then 16.72 g ethyl orthosilicate TEOS was added and stirred for 5 minutes After that, it was transferred to a PTFE bottle and left in an oven at 35°C for 20 hours, followed by a hydrothermal reaction at 130°C for 5 days. After natural cooling, it was filtered, washed, and...
Example Embodiment
[0037] Example 3: A silver-indium oxide composite nanorod array formaldehyde gas sensitive material, the formaldehyde gas sensitive material is formed by a hexagonal periodic arrangement of silver-indium oxide composite nanorods, and the length between the nanorods is 2-5nm Connected, the nanorods have a diameter of 9 nm and a length of 20-500 nm, and the mass percentage of the silver in the composite is 20%.
[0038] The preparation method of the silver-indium oxide composite nanorod array formaldehyde gas sensitive material is:
[0039] 8.0 g surfactant P123, 60 g water and 240 g 2 M hydrochloric acid were mixed at 35°C, stirred for 12 hours until the surfactant was completely dissolved and dispersed uniformly, then 16.72 g ethyl orthosilicate TEOS was added and stirred for 5 minutes After that, it was transferred to a PTFE bottle and left in an oven at 35°C for 20 hours, followed by a hydrothermal reaction at 130°C for 5 days. After natural cooling, it was filtered, washed, and ...
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