CHINESE JOURNAL OF ENERGETIC MATERIALS
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Synthesis, Structure, and Properties of Two New Perchlorate-Based Perovskite Energetic Materials
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1.School of Environment and Safety Engineering, North University of China, Taiyuan 030051, China;2.College of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, China;3.Collective Protection Equipment Research Institute, Shanxi Xinhua Chemical Defense Equipment Research Institute Co., Ltd. Taiyuan 030051, China

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    Abstract:

    As an emerging high-energy substance, the development of perovskite energetic materials in both variety and quantity has more urgency. The first perchlorate-based double perovskite energetic material {(C6H14N22[Na(NH4)(ClO46]}n (DPE-1) and a single perovskite energetic material [(C4H12N2)K(ClO43n (PAP-2) were synthesized by a solution-based method. The chemical structure, thermal stability, detonation performance, and mechanical sensitivity of both DPE-1 and PAP-2 were systematically investigated. Single-crystal X-ray diffraction analysis shows that DPE-1 crystallizes in a double perovskite structure with space group Pa-3, while PAP-2 crystallizes in a single perovskite structure with space group Pnma. Compared with the previously reported periodate-based double perovskite energetic material DPPE-1, DPE-1 exhibits significant improvements in the thermal decomposition temperature (Tdec=368.9 ℃), detonation velocity (D=8858 m·s-1), detonation pressure (p=38.4 GPa), impact sensitivity (IS >40 J), and friction sensitivity (FS=20 N). These results validate the feasibility of exploring high-performance, green primary explosives within the double perovskite structural framework. PAP-2 demonstrates comparable thermal stability (Tdec>280 ℃) and detonation performance (D >8500 m·s-1p >30 GPa) with other single perovskite energetic materials in the same series, but its impact sensitivity is significantly increased and friction sensitivity is significantly reduced.

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ZHANG Xin-hui, DENG Mu-cong, ZHANG Chun-jie, et al. Synthesis, Structure, and Properties of Two New Perchlorate-Based Perovskite Energetic Materials[J]. Chinese Journal of Energetic Materials(Hanneng Cailiao),DOI:10.11943/CJEM2025047.

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History
  • Received:March 25,2025
  • Revised:May 30,2025
  • Adopted:June 05,2025
  • Online: June 09,2025
  • Published: