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Boosting the performance of energetic materials through thermally-induced conformational transition

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Abstract

In this study, the desirable U-conformations of 3,3′-bis(1H-tetrazol-5-yl)-4,4′-azofurazan (DTAZF) were prepared through thermally-induced conformational transition from S-DTAZF crystals, as confirmed by single crystal X-ray diffraction. U-DTAZF exhibited increases of 0.05 g cm−3 (2.9%), 106 kJ mol−1 (9.4%), 275 m s−1 (3.7%) and 2.2 GPa (8.9%) in density, heat of formation, detonation velocity and detonation pressure, respectively, compared to those of S-DTAZF; meanwhile, it showed comparable sensitivities toward impact and friction and an acceptable decrease in thermal stability. The results of this study provide a new path for improving the performance of energetic materials.

Graphical abstract: Boosting the performance of energetic materials through thermally-induced conformational transition

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Publication details

The article was received on 25 Oct 2018, accepted on 21 Dec 2018 and first published on 22 Dec 2018


Article type: Communication
DOI: 10.1039/C8CE01825A
Citation: CrystEngComm, 2019, Advance Article
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    Boosting the performance of energetic materials through thermally-induced conformational transition

    Y. Liu, C. Shen and M. Lu, CrystEngComm, 2019, Advance Article , DOI: 10.1039/C8CE01825A

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