Cerium dioxide/titanium nitride nanotube taking Ce-MOF as precursor and preparation method and application thereof
A ceria and titanium nitride technology, applied in chemical instruments and methods, chemical/physical processes, physical/chemical process catalysts, etc., to achieve the effects of good electrochemical performance, large morphology, and simple equipment requirements
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Embodiment 1
[0035] Weigh 0.90g of cerium acetate and 0.75g of terephthalic acid, dissolve them in 50mL of methanol, mix them evenly, add them to a 100mL flask, put them in an oven, keep them warm at 180°C for 8h, and take them out after cooling down to room temperature to obtain a sample . Afterwards, the samples were dried in a vacuum oven for 16 hours to obtain the Ce-MOF-1 precursor framework.
Embodiment 2
[0037] Weigh 1.02g of cerium acetate and 0.88g of adipic acid, dissolve them in 100mL of dipropylformamide, mix them evenly, put them into a 100mL flask, put them in an oven, keep them warm at 50°C for 8h, and take them out after cooling down to room temperature The sample was obtained by filtration. Afterwards, the samples were dried in a vacuum oven for 16 hours to obtain the Ce-MOF-2 precursor framework.
Embodiment 3
[0039] 1. Add 2.12g of Ce-MOF-1 precursor framework and 25.62g of titanyl sulfate into an autoclave with a polytetrafluoroethylene liner (100mL) in sequence, then add 20mL of butanediol, 20mL of butyl ether and 40mL of absolute ethanol, and mix the reactants evenly.
[0040] 2. Add the above mixture into a polytetrafluoroethylene liner and put it into the reaction kettle, and react at 200°C for 17h;
[0041] 3. Allow the reaction kettle to cool down to room temperature naturally, then filter, wash with ethanol, and then place it in an oven at 60°C for 16 hours of drying;
[0042] 4. Put it in a muffle furnace and calcinate at 250°C for 5h, and finally calcinate in a tube furnace at 800°C for 5h to obtain CeO 2 / Titanium Nitride Nanotubes (CeO 2 / TiN NTs).
[0043] figure 1 For the CeO prepared in this example 2 / SEM photo of TiN NTs. From figure 1 It can be seen that the resulting CeO 2 / TiN NTs with an average diameter of 50-200nm, CeO composed of Ce-MOF-1 and titaniu...
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