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

It is an enormous challenge to construct high-energy-density materials meeting simultaneously requirements of high energy and excellent stability. In this work, the reaction of a Ag(I) ion with a nitrogen-rich ligand, 1 H -tetrazole-5-acetic acid (H 2 tza), leads to a novel Ag7-cluster metal–organic framework, [Ag 7 (tza) 3 (Htza) 2 (H 2 tza)(H 2 O)] ( 1 ), with remarkable high-energy content, stability, and insensitivity. Dramatically, the heating-dehydrated process of 1 produces a new stable energetic material, [Ag 7 (tza) 3 (Htza) 2 (H 2 tza)] ( 1a ), which features superior energy and undiminished safety performance compared to those of 1 .