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Pore wall fluorescence labeling of covalent organic frameworks

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Abstract

A novel covalent organic framework (COF) based on terphenyldiboronic acid exhibiting open pores of about 4.1 nm is presented. The newly synthesized COF features accessible hydroxyl groups at the inner and outer pore walls. These functional groups serve as anchor sites for a fluorescence label installed through a post-synthetic modification approach. By forming o-thiocarbamate bonds, fluorescein molecules were immobilized on the inner and outer surfaces of the pore system, respectively. This grafting reaction was also extended to a second COF (COF-5) and to other grafted moieties.

Graphical abstract: Pore wall fluorescence labeling of covalent organic frameworks

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Publication details

The article was received on 10 Apr 2017, accepted on 22 May 2017 and first published on 22 May 2017


Article type: Communication
DOI: 10.1039/C7CE00684E
Citation: CrystEngComm, 2017, Advance Article
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    Pore wall fluorescence labeling of covalent organic frameworks

    S. Rager, M. Dogru, V. Werner, A. Gavryushin, M. Götz, H. Engelke, D. D. Medina, P. Knochel and T. Bein, CrystEngComm, 2017, Advance Article , DOI: 10.1039/C7CE00684E

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