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Issue 15, 2020
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Synthesis and characterization of a new energetic metal–organic framework for use in potential propellant compositions

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Abstract

Based on a nitrogen-rich Y-shape energetic ligand, tris(5-aminotetrazole)triazine (H3TATT), a new green solvent-free energetic metal–organic framework (EMOF) [Co(HTATT)]n, has been synthesized under hydrothermal conditions. X-ray single crystal structure analysis shows that [Co(HTATT)]n has a 3D framework structure with building units [Co1-(μ4′-HTATT)-Co1]. The thermal decomposition behavior, the kinetic parameters of the exothermic process, the calculated detonation properties and sensitivities to impact and friction stimuli of [Co(HTATT)]n were investigated. Using differential scanning calorimetry, [Co(HTATT)]n was explored as a combustion promoter to accelerate the thermal decomposition of ammonium perchlorate (AP). Experimental results indicated that [Co(HTATT)]n possesses potential application prospects in the field of greener propellants. Magnetic measurements performed on [Co(HTATT)]n with the tetrazolyl-bridged Co(II) EMOF structure display spin-glass behavior with the coexistence of spin-canting ordering below 4.0 K.

Graphical abstract: Synthesis and characterization of a new energetic metal–organic framework for use in potential propellant compositions

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Supplementary files

Article information


Submitted
09 May 2020
Accepted
29 Jun 2020
First published
30 Jun 2020

Green Chem., 2020,22, 5050-5058
Article type
Paper

Synthesis and characterization of a new energetic metal–organic framework for use in potential propellant compositions

S. Wu, M. Li, Z. Yang, Z. Xia, B. Liu, Q. Yang, Q. Wei, G. Xie, S. Chen, S. Gao and J. Y. Lu, Green Chem., 2020, 22, 5050
DOI: 10.1039/D0GC01594F

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