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Achieving layered stacking within acyclic compounds through a tenon-and-mortise strategy

通过榫卯结构策略实现非环状化合物的层状排布

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摘要

层状堆积在材料和化学科学中具有重要意义, 然而它通常只局 限于环状骨架化合物中, 如何突破此限制, 在无环化合物中构建层状堆 积是一个重要的挑战. 在此, 我们提出“榫卯策略”, 通过氢键作用将作 为“榫”的无环化合物和与其相匹配的“卯”相结合, 形成一个平面的氢键 环骨架, 从而首次在无环化合物中实现层状堆积, 该层状堆积通过二硝 基脲的氨基胍盐(盐1)的单晶X射线衍射得以证明. 与呈现出W型堆积 的二硝基脲前体相比, 合成的具有层状堆积的盐表现出明显更好的热 稳定性、化学稳定性和机械稳定性.

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Acknowledgements

This work was financially supported by the National Natural Science Foundation of China (21875021 and 22075024) and China Postdoctoral Science Foundation (2020M680391 and 2022T150047).

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Authors and Affiliations

Authors

Contributions

Sun Q, Li S and Pang S designed the study. Tian B, Ding N and Jiang Z performed the experiments and characterization. Tian B, Sun Q and Ding N conducted the calculations and mechanism investigation. Tian B wrote the paper with support from Sun Q, Li S and Pang S. All the authors discussed the results of the paper.

Corresponding authors

Correspondence to Qi Sun  (孙琦), Shenghua Li  (李生华) or Siping Pang  (庞思平).

Additional information

Baojing Tian received her BS degree from Beijing Institute of Technology (BIT, China) in 2022. She is pursuing her doctorate degree under the supervision of Prof. Siping Pang and Prof. Shenghua Li at BIT.

Qi Sun obtained his PhD degree from Nanjing University of Science and Technology (NJUST, China) under the supervision of Prof. Ming Lu. He is now a postdoctoral fellow in Prof. Siping Pang’s group working on the design and synthesis of energetic materials.

Shenghua Li is a full professor at BIT, China. He received his PhD degree from BIT in 2008. He has been involved in the design, synthesis and application of organic functional materials, including energetic materials, metal-organic frameworks and supramolecular materials.

Siping Pang is a full professor at BIT, China. His research interest is the synthesis and application of highly energetic materials. He obtained his PhD degree from BIT, where his research focused on the synthesis of HNIW.

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary information

Experimental details and supporting data are available in the online version of the paper.

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Tian, B., Sun, Q., Ding, N. et al. Achieving layered stacking within acyclic compounds through a tenon-and-mortise strategy. Sci. China Mater. 66, 1670–1674 (2023). https://doi.org/10.1007/s40843-022-2319-0

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  • DOI: https://doi.org/10.1007/s40843-022-2319-0

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