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Abstract
In this work, four energetic compounds (1–4) were prepared through the combination of nitrogen-rich heterocyclic fused-ring compounds and perchloric acid via a self-assembly methodology. The densities of these compounds were higher than 1.92 g cm–3, and compound 2 exhibited the highest density of 2.04 g cm–3, which exceeded those of most of the traditional energetic compounds. The calculated detonation velocity, detonation pressure, and specific impulse of compound 2 were 9317 m s–1, 41.1 GPa, and 264 s, respectively; these values were greater than those of high-energy and high-density material 1,3,5,7-tetranitro-1,3,5,7-tetrazocane (HMX). Furthermore, compound 1 is the first example of metal-free energetic materials with near-infrared (λ = 1064 nm) laser ignition ability. The high densities and excellent energetic performances of these compounds indicate that self-assembly is a promising approach for the development of advanced energetic materials.
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