Method for quickly synthesizing load type metal nano-particle
A technology of metal nanoparticles and synthetic loading, applied in the direction of non-metal elements, chemical instruments and methods, silicon compounds, etc., can solve the problems of catalyst blockage, reduce catalyst activity, time-consuming and other problems, and achieve the effect of inhibiting growth
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Embodiment 1
[0016] Add 1.2g of P123 into the dilute hydrochloric acid solution, stir until completely dissolved, then add 1.2g of n-butanol, stir in a constant temperature water bath at 35 ºC for 1 h, then add 2.58g of ethyl orthosilicate, and continue stirring for 24h, To obtain the mixed solution A, transfer the mixed solution A to a polytetrafluoroethylene reaction kettle, heat it in an oven at 100°C for 24 hours, after the reaction is completed and cool to room temperature, centrifuge the mixed solution to obtain a white product, and the product is obtained at 100°C Dry, wash the dried product with hydrochloric acid-ethanol mixed solution until neutral, then place the washed solid in a muffle furnace, raise the temperature to 550 ºC at a heating rate of 1 ºC / min, and keep it for 6 h , to prepare mesoporous silica material.
[0017] The mesoporous silica is baked in an oven to remove impurities adsorbed in the pores of the molecular sieve. A certain amount of 1-hexanol and chloroauric...
Embodiment 2
[0019] Add 1.2g of P123 into the dilute hydrochloric acid solution, stir until completely dissolved, then add 1.2g of n-butanol, stir in a constant temperature water bath at 35 ºC for 1 h, then add 2.58g of ethyl orthosilicate, and continue stirring for 24h, To obtain the mixed solution A, transfer the mixed solution A to a polytetrafluoroethylene reaction kettle, heat it in an oven at 100°C for 24 hours, after the reaction is completed and cool to room temperature, the mixed solution is centrifuged to obtain a white product, and the product is obtained at 100°C Dry, wash the dried product with hydrochloric acid-ethanol mixed solution until neutral, then place the washed solid in a muffle furnace, raise the temperature to 550 ºC at a heating rate of 1 ºC / min, and keep it for 6 h , to prepare mesoporous silica material. The mesoporous silica is baked in an oven to remove impurities adsorbed in the pores of the molecular sieve. A certain amount of 1-hexanol and chloroplatinic a...
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