Azide-Based High-Energy Metal-Organic Frameworks with Enhanced Thermal Stability
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2019-09-10
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en
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ACS Omega
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Resumen
We describe the structure and properties of [Zn(C6H4N5)N3]n, a new nonporous three-dimensional high-energy metal-organic framework (HE-MOF) with enhanced thermal stability. The compound is synthesized by the hydrothermal method with in situ ligand formation under controlled pH and characterized using single-crystal X-ray diffraction, elemental analysis, and Fourier transform infrared. The measured detonation temperature (Tdet = 345 °C) and heat of detonation (Î"Hdet =-0.380 kcal/g) compare well with commercial explosives and other nitrogen-rich HE-MOFs. The velocity and pressure of denotation are 5.96 km/s and 9.56 GPa, respectively. Differential scanning calorimetry analysis shows that the denotation of [Zn(C6H4N5)N3]n occurs via a complex temperature-dependent mechanism.
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Citación
ACS Omega Volume 4, Issue 11, Pages 14398 - 14403 10 September 2019
DOI
10.1021/acsomega.9b01127