Issue 2, 2024

Synthesizing new Bi-structure energetic coordination compounds using ternary components

Abstract

Overcoming detonation performance constraints and achieving suitable mechanical sensitivity in energetic materials present profound challenges. Using regional isomerization, we strategically introduced high-energy structures into pyrazole rings and synthesized a new ligand, namely 1-amino-1H-pyrazole-5-carbohydrazide (1-APZ-5-CA), and its corresponding complex, denoted [Ag(1-APZ-5-HCA)(ClO4)2]n (ECPs-1). ECPs-1 capitalizes on a dual structural framework, comprising an ionic salt and a complex, resulting in enhanced [ClO4] content, an elevated oxygen balance constant (+3.56%), remarkable thermal stability (Td = 225 °C), and excellent resistance to mechanical stimuli (IS = 8 J, FS = 64 N). Comprehensive testing, encompassing traditional ignition assessments and laser-based ignition experiments, unequivocally underscores the outstanding explosive initiation capabilities of ECPs-1 (P = 40 W, τ = 2 ms, E = 80 mJ).

Graphical abstract: Synthesizing new Bi-structure energetic coordination compounds using ternary components

Supplementary files

Article information

Article type
Research Article
Submitted
10 Oct 2023
Accepted
28 Nov 2023
First published
11 Dec 2023

Inorg. Chem. Front., 2024,11, 624-631

Synthesizing new Bi-structure energetic coordination compounds using ternary components

C. Zhang, T. Wang, M. Xu, B. Kuang, Z. Xie, Z. Lu, Z. Yi, Y. Li and J. Zhang, Inorg. Chem. Front., 2024, 11, 624 DOI: 10.1039/D3QI02075D

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