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Open AccessArticle

Surface Modification of ZnO Nanorods with Hamilton Receptors

Institute of Organic Chemistry, Friedrich-Alexander Universität Erlangen-Nürnberg, Henkestrasse 42, 91054 Erlangen, Germany
Institute of Particle Technology, Friedrich-Alexander Universität Erlangen-Nürnberg, Cauerstrasse 4, 91058 Erlangen, Germany
Author to whom correspondence should be addressed.
Academic Editor: John George Hardy
Int. J. Mol. Sci. 2015, 16(4), 8186-8200;
Received: 23 March 2015 / Revised: 2 April 2015 / Accepted: 3 April 2015 / Published: 13 April 2015
(This article belongs to the Special Issue Supramolecular Interactions)
A new prototype of a Hamilton receptor suitable for the functionalization of inorganic nanoparticles was synthesized and characterized. The hydrogen bonding receptor was coupled to a catechol moiety, which served as anchor group for the functionalization of metal oxides, in particular zinc oxide. Synthesized zinc oxide nanorods [ZnO] were used for surface functionalization. The wet-chemical functionalization procedure towards monolayer-grafted particles [ZnO-HR] is described and a detailed characterization study is presented. In addition, the detection of specific cyanurate molecules is demonstrated. The hybrid structures [ZnO-HR-CA] were stable towards agglomeration and exhibited enhanced dispersability in apolar solvents. This observation, in combination with several spectroscopic experiments gave evidence of the highly directional supramolecular recognition at the surface of nanoparticles. View Full-Text
Keywords: supramolecular chemistry; Hamilton receptor; zinc oxide; catechol; hydrogen bond; self-assembly supramolecular chemistry; Hamilton receptor; zinc oxide; catechol; hydrogen bond; self-assembly
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Zeininger, L.; Klaumünzer, M.; Peukert, W.; Hirsch, A. Surface Modification of ZnO Nanorods with Hamilton Receptors. Int. J. Mol. Sci. 2015, 16, 8186-8200.

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