Issue 48, 2014

Encapsulation of large dye molecules in hierarchically superstructured metal–organic frameworks

Abstract

Microporous metal–organic frameworks (MOFs) represent a new family of microporous materials, offering potential applications in gas separation and storage, catalysis, and membranes. The engineering of hierarchical superstructured MOFs, i.e., fabricating mesopores in microporous frameworks during the crystallization stage is expected to serve a myriad of applications for molecular adsorption, drug delivery, and catalysis. However, MOFs with mesopores are rarely studied because of the lack of a simple, effective way to construct mesoscale cavities in the structures. Here, we report the use of a perturbation-assisted nanofusion technique to construct hierarchically superstructured MOFs. In particular, the mesopores in the MOF structure enabled the confinement of large dye species, resulting in fluorescent MOF materials, which can serve as a new type of ratiometric luminescent sensors for typical volatile organic compounds.

Graphical abstract: Encapsulation of large dye molecules in hierarchically superstructured metal–organic frameworks

Supplementary files

Article information

Article type
Communication
Submitted
18 Aug 2014
Accepted
01 Oct 2014
First published
01 Oct 2014

Dalton Trans., 2014,43, 17893-17898

Author version available

Encapsulation of large dye molecules in hierarchically superstructured metal–organic frameworks

Y. Yue, A. J. Binder, R. Song, Y. Cui, J. Chen, D. K. Hensley and S. Dai, Dalton Trans., 2014, 43, 17893 DOI: 10.1039/C4DT02516D

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