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Updated: Jul 12, 2026
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Synthesis and Characterization of Functionalized Metal-organic Frameworks
Published on: September 5, 2014
Acid-Driven Dimensional Regulation Strategy for Synergistically Tuning the Stability and Laser Initiation Performance
Guangli Wang1,2, Tingwei Wang3, Ruibing Lv1
1National Key Laboratory of Chemical Explosion Safety, Institute of Chemical Materials, China Academy of Engineering Physics (CAEP), Mianyang, Sichuan621900, P. R. China.
Inorganic Chemistry
|July 10, 2026
Summary
Researchers developed new energetic metal-organic frameworks (EMOFs) using a novel acid-driven strategy. These materials enhance safety and initiation performance for laser-initiating explosives, overcoming key development limitations.
Area of Science:
- Materials Science
- Chemistry
- Energetic Materials
Background:
- Laser initiation technology offers advantages but faces challenges due to the trade-off between initiation performance and safety.
- Developing safer and more effective laser-initiating explosives is crucial for advanced applications.
Purpose of the Study:
- To engineer novel energetic metal-organic frameworks (EMOFs) with optimized safety and initiation performance for laser initiation.
- To investigate an acid-driven dimensional regulation strategy for precise control over EMOF structures and properties.
Main Methods:
- Synthesized two-dimensional (2D) and one-dimensional (1D) EMOFs using a nitrogen-rich ligand (Ditetrazolo[1,5-a:1',5'-c]pyrazine, DTP) and Ag+ nodes.
- Employed an acid-driven dimensional regulation strategy to tailor the structural dimensionality of the EMOFs.
- Evaluated the energetic properties, thermal stability, mechanical sensitivity, and laser initiation capabilities of the synthesized EMOFs.
Main Results:
- Two EMOFs, 2D [Ag2(DTP)(NO3)2]n (EMOF-1) and 1D [Ag(DTP)(NO3)]n (EMOF-2), were successfully synthesized.
- EMOF-1 exhibited superior energy density, thermal stability (200 °C), and mechanical safety compared to EMOF-2.
- Both EMOFs demonstrated efficient near-infrared laser initiation, achieving rapid detonation (≤ 2 ms) with EMOF-1 showing enhanced deflagration-to-detonation transition (DDT).
Conclusions:
- The acid-driven dimensional regulation strategy effectively optimizes the synergistic balance between safety and initiation performance in EMOFs.
- This approach provides a promising pathway for developing advanced laser initiators with superior comprehensive performance.
- The engineered EMOFs offer a potential solution to the inherent conflict between safety and performance in laser-initiating explosives.
