Preparation method for tetrahedral CuCl/Pd alloy
A tetrahedron and alloy technology, applied in metal processing equipment, nanotechnology, transportation and packaging, etc., can solve the problems of unenvironmental protection and harsh preparation conditions, and achieve the effect of good repeatability, good size uniformity and simple process
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Embodiment 1
[0014] First, use a pipette to take 5mL 0.2mol / L Vc solution into a 20mL glass bottle, then add 2mL 0.1mol / L CuCl 2 Solution, after keeping at 20°C for 5min, add 2mL 0.01mol / L PdCl 2 The solution was allowed to stand at 20°C for 60 minutes. After the reaction, centrifuge with a centrifuge, pour off the clarified liquid, and then use deionized water to disperse and wash with ultrasonic waves, and then centrifuge to separate. After vacuum drying, the black powder obtained is tetrahedral CuCl / Pd alloy. The resulting alloy was added to a phosphoric acid solution with a mass fraction of 35%, ultrasonicated at room temperature for 20 minutes, then centrifuged to remove the supernatant, washed, and the operations of centrifugation and washing repeated until neutral to obtain a porous tetrahedral CuCl / Pd alloy.
Embodiment 2
[0016] First use a pipette to take 15mL 0.1mol / L Vc solution into a 50mL glass bottle, then add 3mL 0.15mol / L CuCl 2 Solution, after keeping at 25°C for 10min, add 1mL 0.03mol / L PdCl 2 The solution was allowed to stand at 25°C for 30 minutes. After the reaction, centrifuge with a centrifuge, pour off the clarified liquid, and then use deionized water to disperse and wash with ultrasonic waves, and then centrifuge to separate. After vacuum drying, the black powder obtained is tetrahedral CuCl / Pd alloy. The obtained alloy was added to a 30% acetic acid solution, ultrasonicated at room temperature for 30 minutes, then centrifuged to remove the supernatant, washed, and the centrifugation and washing operations were repeated until neutral to obtain a porous tetrahedral CuCl / Pd alloy.
Embodiment 3
[0018] First use a pipette to take 5mL 0.3mol / L Vc solution into a 20mL glass bottle, then add 3mL 0.15mol / L CuCl 2 Solution, after keeping at 0°C for 20min, add 2mL 0.03mol / L PdCl 2 The solution was allowed to stand at 30°C for 30 minutes. After the reaction, centrifuge with a centrifuge, pour off the clarified liquid, and then use deionized water to disperse and wash with ultrasonic waves, and then centrifuge to separate. After vacuum drying, the black powder obtained is tetrahedral CuCl / Pd alloy.
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