Chemistry of SURMOFs: Layer-Selective Installation of Functional Groups and Post-synthetic Covalent Modification Probed by Fluorescence Microscopy
Layer-selective installation of functional groups at SURMOFs (surface-attached metal−organic framework multilayers) is reported. Multilayers of [Cu(ndc)(dabco)0.5] grown in [001] orientation on pyridine-terminated organic self-assembled monolayers on Au substrates were functionalized with amino grou...
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Veröffentlicht in: | Journal of the American Chemical Society 2011-02, Vol.133 (6), p.1734-1737 |
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Hauptverfasser: | , , , , , , , |
Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Layer-selective installation of functional groups at SURMOFs (surface-attached metal−organic framework multilayers) is reported. Multilayers of [Cu(ndc)(dabco)0.5] grown in [001] orientation on pyridine-terminated organic self-assembled monolayers on Au substrates were functionalized with amino groups by step-by-step liquid-phase epitaxy. The method allows the growth of samples exhibiting one monolayer of functional groups at the external thin-film surface. In situ quartz crystal microbalance monitoring confirmed the presence of amino groups by turning the multilayer film from a non-reactive to a reactive material for covalent binding of fluoresceinisothiocyanate, and fluorescence microscopy displays the expected luminous property. |
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ISSN: | 0002-7863 1520-5126 |
DOI: | 10.1021/ja1109826 |