期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 140, 期 29, 页码 9132-9139出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.8b03055
关键词
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资金
- Irving and Cherna Moskowitz Center for Nano and Bioimaging at the Weizmann Institute of Science
- Israel Science Foundation (ISF)
- Helen and Martin Kimmel Center for Molecular Design
In this work, we report the formation of superstructures assembled from organic tubular crystals mediated by metal-coordination chemistry. This template-free process involves the crystallization of molecules into crystals having a rectangular and uniform morphology, which then go on to fuse together into multibranched superstructures. The initially hollow and organic crystals are obtained under solvothermal conditions in the presence of a copper salt, whereas the superstructures are subsequently formed by aging the reaction mixture at room temperature. The mild thermodynamic conditions and the favorable kinetics of this unique self-assembly process allowed us to ex-situ monitor the superstructure formation by electron microscopy, highlighting a pivotal and unusual role for copper ions in their formation and stabilization.
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