摘要
设计合成兼具良好爆轰性能、 高稳定性和低成本的含能化合物是发展实用含能材料的关键. 本文报道了一类新型分子钙钛矿含能化合物, 它们可以通过使用低成本原料经简单一锅反应制备. 作为氧化组分的高氯酸根阴离子和作为燃料组分的还原性有机阳离子交替紧密堆积于钙钛矿结构中, 使该类化合物不仅有比目前军用含能炸药(例如RDX和HMX)更优异的爆炸性能, 而且有更高的稳定性; 其中无金属组分的分子钙钛矿含能化合物具有与CL-20相当的爆炸性能以及更高的比冲(约344秒). 这种将低成本有机燃料组分和氧化剂组分组装在高对称性三元晶体结构的分子组装策略为设计有实用前景的含能材料提供了新思路.
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Acknowledgements
This work was supported by the National Natural Science Foundation of China (21290173 and 21722107). We thank Mr Xu JG and Prof Guo GC at Fujian Institute of Research on the Structure of Matter for some friction tests, and Prof Li W in Huazhong University of Science and Technology for valuable discussions. Sun Yat-Sen University authorized a China patent (ZL201610665880.3), and filed PCT patents related to this work.
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Shao-Li Chen was born in 1990. He is a PhD candidate of inorganic chemistry in Sun Yat-Sen University (SYSU). His research is focused on energetic salts.
Wei-Xiong Zhang obtained his BSc in 2004 and PhD in 2009 at SYSU, and was a JSPS postdoc at Tohoku University from 2010 to 2012. He joined SYSU as an associate professor in 2012. His current research interest is in synthesis and crystal engineering of functional coordination compounds.
Xiao-Ming Chen obtained his BSc in 1983 and MSc in 1986 from SYSU, and his PhD from Chinese University of Hong Kong in 1992. He then joined SYSU and became a professor in 1995. He was elected to CAS in 2009 and TWAS in 2013. His current research interest is focused on the synthesis and crystal engineering of functional metal complexes and coordination polymers.
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Chen, SL., Yang, ZR., Wang, BJ. et al. Molecular perovskite high-energetic materials. Sci. China Mater. 61, 1123–1128 (2018). https://doi.org/10.1007/s40843-017-9219-9
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DOI: https://doi.org/10.1007/s40843-017-9219-9