Enhancing Conjugation Effect to Develop Nitrogen-Rich Energetic Materials with Higher Energy and Stability

This work reports a strategy by enhancing conjugation effect and synthesizes a symmetrical and planar compound, 1,2-bis (4,5-di­(1H-tetrazol-5-yl)-2H-1,2,3-triazol-2-yl)­diazene (NL24). The incorporation of azo and 1,2,3-triazole moieties manifests a synergistic effect, amplifying the conjugation ef...

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Bibliographic Details
Published in:ACS applied materials & interfaces 2024-02, Vol.16 (8), p.10211-10217
Main Authors: Zhang, Linan, Lang, Qing, Zhu, Mimi, Zhang, Xiaopeng, Jiang, Shuaijie, Lu, Ming, Lin, Qiuhan
Format: Article
Language:English
Subjects:
Energy, Environmental, and Catalysis Applications
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Summary:This work reports a strategy by enhancing conjugation effect and synthesizes a symmetrical and planar compound, 1,2-bis (4,5-di­(1H-tetrazol-5-yl)-2H-1,2,3-triazol-2-yl)­diazene (NL24). The incorporation of azo and 1,2,3-triazole moieties manifests a synergistic effect, amplifying the conjugation effect of the azo bridge and thereby elevating the stability of NL24 (T d: 263 °C, IS: 7 J). Notably, NL24, possessing a structural configuration comprising four tetrazoles harboring a total of 24 nitrogen atoms, exhibits excellent detonation performances (ΔH f: 6.06 kJ g–1, V D: 9002 m s–1). This strategy achieves the balance of energy and stability of polycyclic tetrazoles and provides a direction for high-performance energetic materials.
ISSN:1944-8244
1944-8252
DOI:10.1021/acsami.3c18514