A density gradient type high hydrogen storage composite film resistant to charged particle irradiation and its preparation method
A density gradient, charged particle technology, used in coatings, metal material coating processes, gaseous chemical plating, etc., can solve problems such as poor radiation protection performance, improve radiation protection ability, improve interface bonding strength, and improve mechanics. Effects of performance and binding capacity
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Embodiment 1
[0029] Embodiment 1: In this embodiment, a preparation method of a density gradient type high hydrogen storage composite membrane layer resistant to charged particle irradiation is realized by the following steps:
[0030] Step 1, in the Co with average particle diameter of 500nm 9 S 8 Deposit ZnO film on the surface of nanoparticles to obtain ZnO-Co 9 S 8 ,specifically is:
[0031] Will Co 9 S 8 The nanoparticles are placed in the deposition chamber, and the vacuum is evacuated to a vacuum degree of 5×10 -3 Torr, then feed high-purity nitrogen gas with a mass concentration of 99.99% until the pressure in the deposition chamber is 0.15 Torr, keep the chamber temperature at 150°C, and repeat 230 growth and deposition cycles;
[0032] In step 1, the Co 9 S 8 The ZnO thin film is deposited on the surface of the nanoparticles, specifically through the following operations:
[0033] Will Co 9 S 8 The nanoparticles are placed in the deposition chamber, and the vacuum is e...
Embodiment 2
[0052] Embodiment 2: This embodiment differs from Embodiment 1 in that, according to Co 9 S 8 The mass ratio of ZnO-Co obtained in step 1 is 4:1 with graphene 9 S 8 Add in graphene, other steps and parameter are all identical with embodiment 1.
Embodiment 3
[0053] Embodiment 3: This embodiment differs from Embodiment 1 in that, according to Co 9 S 8 The mass ratio of ZnO-Co obtained in step 1 is 6:1 with graphene 9 S 8 Add in graphene, other steps and parameter are all identical with embodiment 1.
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