Enhancing Energetic Performance of Multinuclear Ag(I)-Cluster MOF-Based High-Energy-Density Materials by Thermal Dehydration

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Abstract
It is an enormous challenge to construct high-energy-density materials (HEDMs) meeting simultaneously requirements of high energy and excellent stability. In this work, the reaction of Ag(I) ion with the nitrogen-rich ligand, 1H-tetrazole-5-acetic acid (H2tza), leads to a novel Ag7-cluster metal-organic framework (MOF), [Ag7(tza)3(Htza)2(H2tza)(H2O)] (1), with remarkable high-energy content, stability and insensitivity. Dramatically, the heating-dehydrated process of 1 produces a new stable energetic material, [Ag7(tza)3(Htza)2(H2tza)] (1a), which features superior energy and undiminished safety performance compared with 1.
Funding Information
  • National Natural Science Foundation of China (21863009, 21463020, 21673180, 21727805)
  • Ningxia province (NXYLXK2017A04, TJGC2018038)
  • Graduate Innovative Experiment (GIP2018040)

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