Journal
MATERIALS LETTERS
Volume 347, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2023.134438
Keywords
Energetic film; Superhydrophobicity; Electrophoretic assembly; Fluorine -free eco-friendly technique; Exothermic performance
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This paper proposes an environment-protecting method to fabricate a superhydrophobic nano-Al/NiO energetic film with uniformly distributed structures and high purity, using an improved electrophoretic assembly and stearic acid modification. The nano-Al/NiO energetic film exhibits superior anti-wettability and self-cleaning ability, and retains stable exothermic performance even after 10 immersion cycles, making it a promising candidate for practical applications. This design provides a novel strategy for enhancing the safety, flexibility, and adaptability of functional energetic surfaces in real industrial applications.
It is still a big challenge to design self-protected energetic films or coatings due to the performance degradation under wet conditions, even underwater using environmentally friendly techniques. Thus, this paper firstly proposed an environment-protecting method to fabricate a superhydrophobic nano-Al/NiO energetic film with uniformly distributed structures and high purity via an improved electrophoretic assembly and stearic acid modification. The nano-Al/NiO energetic film with a high contact angle (CA) of 166 degrees displayed superior anti-wettability and self-cleaning ability, and the outstanding exothermic performance of product keeps almost sta-ble even after 10 complete immersion cycles, demonstrating the promising practicality. Our design provide a novel strategy for substantially extending safety, flexibility and adaptability of functional energetic surfaces in real industrial applications.
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