Wedging crystals to fabricate crystalline framework nanosheets via mechanochemistry

Yun Fan, Yu Shen, Jia Zhang, Xinglong Zhang, Zeqi Zhang, Hongfeng Li, Yong Peng, Jiena Weng, Ruijie Xie, Wenlei Zhang, Yu Han, Yawen Xiao, Suoying Zhang, Bing Zheng, Hao-Li Zhang, Sheng Li, Wei Huang (), Fengwei Huo () and Weina Zhang ()
Additional contact information
Yun Fan: Nanjing Tech University
Yu Shen: Nanjing Tech University
Jia Zhang: Nanjing Tech University
Xinglong Zhang: Nanjing Tech University
Zeqi Zhang: Nanjing Tech University
Hongfeng Li: Nanjing Tech University
Yong Peng: Lanzhou University
Jiena Weng: Northwestern Polytechnical University
Ruijie Xie: Xiamen University
Wenlei Zhang: Nanjing Tech University
Yu Han: King Abdullah University of Science and Technology (KAUST)
Yawen Xiao: Nanjing Tech University
Suoying Zhang: Nanjing Tech University
Bing Zheng: Nanjing Tech University
Hao-Li Zhang: Lanzhou University
Sheng Li: Nanjing Tech University
Wei Huang: Nanjing Tech University
Fengwei Huo: Nanjing Tech University
Weina Zhang: Nanjing Tech University

Nature Communications, 2024, vol. 15, issue 1, 1-10

Abstract: Abstract Mechanochemistry studies the effect of mechanical force on chemical bonds, bringing opportunities for synthesizing alloys, ceramics, organics, polymers, and biomaterials. A vital issue of applying macro-scale mechanical force to manipulate crystal structures is finding ways to precisely adjust the force directions to break micro-scale target chemical bonds. Inspired by a common technique of driving a wedge into the wood to make wood chopping much easier, a wedging strategy of splitting three-dimensional structured crystalline frameworks and then converting them to nanosheets was proposed, where specific molecules were wedged into crystalline frameworks to drive the directional transmission of mechanical force to break chemical bonds. As a result, various crystalline framework nanosheets including metal−organic framework nanosheets, covalent organic framework nanosheets, and coordination polymer nanosheets were fabricated. This wedging crystal strategy exhibits advantages of operability, flexibility and designability, and furthermore, it is expected to expand mechanochemistry applications in material preparation.

Date: 2024
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DOI: 10.1038/s41467-024-51177-0

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