Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 16, Issue 4, Pages 8186-8200Publisher
MDPI AG
DOI: 10.3390/ijms16048186
Keywords
supramolecular chemistry; Hamilton receptor; zinc oxide; catechol; hydrogen bond; self-assembly
Funding
- German Research Council (DFG)
- Graduate Schools Advanced Materials and Processes (GSAMP)
- Molecular Science (GSMS)
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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.
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