期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 57, 期 23, 页码 6873-6877出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201803125
关键词
chirality; enantioseparation; metal-organic frameworks; nanosheets
资金
- National Key Basic Research Program of China [2014CB931801, 2016YFA0200700]
- National Natural Science Foundation of China [21721002, 21475029]
- Frontier Science Key Project of Chinese Academy of Sciences [QYZDJ-SSW-SLH038]
- Strategic Priority Research Program of Chinese Academy of Sciences [XDA09040100]
- K.C. Wong Education Foundation
Chiral metal-organic framework (CMOF) nanosheets only a few layers thick remain a virgin land waiting for exploration. Herein, the first examples of ultrathin CMOF nanosheets are prepared by the confinement growth of two-dimensional (2D) chiral layers, which are assembled by helical metal-organic chains within microemulsion. This convenient and easily scaled up inverse microemulsion method gives a series of 2D CMOF nanosheets composed of variable metal nodes or chiral ligands. More significantly, thanks to the exceptionally large number of chiral sites exposed on surfaces, the as-obtained CMOF nanosheets exhibit much higher enantioselectivity in chiral separation compared with their bulk counterparts.
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