In-situ synthesis of an integrated CuN3/CL-20 explosive train film with excellent initiation ability
2021
Abstract In-situ construction of energetics-on-a-chip by the microcharge technique has recently received much attention by researchers. In this study, a novel integrated CuN3/CL-20 explosive train film was fabricated in-situ on a Cu substrate. The porous CuN3 film, which was synthesized by facile electrochemical azidation of porous Cu, served as a skeleton for the integration of CL-20 by means of spin-coating and recrystallization. In this architecture, the introduction of CL-20 endowed the resultant explosive train film with a greater charge density and an enhanced energy output than a single CuN3 film. In particular, the tunability of exothermic capacity could be controlled by adjusting the loading amount of CL-20. Additionally, the embedded CL-20 and CuN3 film jointly ensured violent explosive behavior upon laser stimulation. Given these advantages, this CuN3/CL-20 explosive train film exhibits great potential for application in functional energetic chips.
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