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Materials 2016, 9(8), 681; doi:10.3390/ma9080681

Nitrogen-Rich Energetic Metal-Organic Framework: Synthesis, Structure, Properties, and Thermal Behaviors of Pb(II) Complex Based on N,N-Bis(1H-tetrazole-5-yl)-Amine

1
Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621010, China
2
State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials, Southwest University of Science and Technology, Mianyang 621010, China
3
School of National Defence Science and Technology, Southwest University of Science and Technology, Mianyang 621010, China
4
Institute of Chemical Materials, Chinese Academy of Engineering Physics, Mianyang 621010, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Umit B. Demirci
Received: 20 June 2016 / Revised: 21 July 2016 / Accepted: 25 July 2016 / Published: 10 August 2016
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Abstract

The focus of energetic materials is on searching for a high-energy, high-density, insensitive material. Previous investigations have shown that 3D energetic metal–organic frameworks (E-MOFs) have great potential and advantages in this field. A nitrogen-rich E-MOF, Pb(bta)·2H2O [N% = 31.98%, H2bta = N,N-Bis(1H-tetrazole-5-yl)-amine], was prepared through a one-step hydrothermal reaction in this study. Its crystal structure was determined through single-crystal X-ray diffraction, Fourier transform infrared spectroscopy, and elemental analysis. The complex has high heat denotation (16.142 kJ·cm−3), high density (3.250 g·cm−3), and good thermostability (Tdec = 614.9 K, 5 K·min−1). The detonation pressure and velocity obtained through theoretical calculations were 43.47 GPa and 8.963 km·s−1, respectively. The sensitivity test showed that the complex is an impact-insensitive material (IS > 40 J). The thermal decomposition process and kinetic parameters of the complex were also investigated through thermogravimetry and differential scanning calorimetry. Non-isothermal kinetic parameters were calculated through the methods of Kissinger and Ozawa-Doyle. Results highlighted the nitrogen-rich MOF as a potential energetic material. View Full-Text
Keywords: nitrogen-rich materials; energetic materials; energetic MOFs nitrogen-rich materials; energetic materials; energetic MOFs
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Liu, Q.; Jin, B.; Zhang, Q.; Shang, Y.; Guo, Z.; Tan, B.; Peng, R. Nitrogen-Rich Energetic Metal-Organic Framework: Synthesis, Structure, Properties, and Thermal Behaviors of Pb(II) Complex Based on N,N-Bis(1H-tetrazole-5-yl)-Amine. Materials 2016, 9, 681.

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