▎ 摘　　要

NOVELTY - Preparing carbon nanotube/graphene modified metal/oxide nano energetic film comprises (a) taking carbon nanotube powder, placing in sulfuric acid and nitric acid solution for ultrasonic dispersion, filtering, washing, centrifuging, adjusting solution concentration, (b) taking graphene powder, stirring, (c) taking a metal simple substance and a metal oxide nano powder, dispersing in acetone, performing ultrasonic dispersion, (d) mixing above solutions, pouring metal elemental nanoparticle solution into funnel, pumping vacuum, depositing, pouring carbon nanotube/graphene mixed solution into funnel, performing suction filtration, (e) repeating the step (d), drying, applying pressure and (f) bonding carbon nanotube/graphene modified metal/oxide nano-energetic film to base material TC4, sequential overlapping, igniting, using heat released by the active nano-multiple film and completing connection of titanium alloy. USE - The method is useful for preparing carbon nanotube/graphene modified metal/oxide nano energetic film. ADVANTAGE - The method: is simple and easy to industrialize; releases more energy in reaction; increases surface activity; achieves uniform distribution and facilitates structural assembly on multiple spatial scales. DETAILED DESCRIPTION - Preparing carbon nanotube/graphene modified metal/oxide nano energetic film comprises (a) taking carbon nanotube powder, placing in sulfuric acid and nitric acid solution in the molar ratio of 1:3 for ultrasonic dispersion for 20 minutes, placing in deionized water for 30 minutes, filtering and washing the carbon nanotubes in deionized water through a filter paper, centrifuging, adjusting the solution concentration to 1 mg/ml with deionized water to obtain a carboxylated carbon nanotube solution, (b) taking graphene powder, stirring with graphene in the presence of 300 mg 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide and 0.5 ml liquid nitrogen with 3 ml of ethylenediamine for 5 hours, sonicating the resulting suspension for 30 minutes, centrifuging, adjusting the solution concentration to 1 mg/ml with deionized water to obtain a positively charged graphene solution, (c) taking a metal simple substance and a metal oxide nano powder in the molar ratio of 1:(1-3), dispersing the nano-sized metal elemental powder and the metal oxide powder in acetone, performing ultrasonic dispersion for 20-40 minutes to eliminate agglomeration, (d) mixing the above carbon nanotube solution and the graphene solution in the volume ratio of (1-2):1, taking a carbon nanotube/graphene mixed solution and the metal elemental nanoparticle solution in the mass ratio of 1:(4-6), pouring the metal elemental nanoparticle solution into the funnel, placing below the filter paper, pumping a vacuumizing device by a vacuum pump to deposit the nanoparticles on the filter, pouring a solution of metal oxide nanoparticles into a funnel, depositing on top of the metal elemental nanoparticle layer driven by the vacuum pump, pouring the carbon nanotube/graphene mixed solution into the funnel, performing suction filtration to deposit a layer of carbon nanotubes/graphene on the metal/oxide film, (e) repeating the step (d) until obtaining metal/oxide nano-energetic film comprising 2-5 carbon nanotube/graphene multiple layers, drying the nano energetic film in an oven at 150-200 degrees C for 0.5-1 hour, applying 2-5 MPa pressure to the film during drying, obtaining a carbon nanotube/graphene modified metal/oxide nano energetic containing film and (f) bonding the carbon nanotube/graphene modified metal/oxide nano-energetic film to the base material TC4, sequential overlapping of the parent metal TC4, igniting under a pressure of 2-7 MPa, using the heat released by the active nano-multiple film and completing the connection of the titanium alloy.