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Formation of an α-cyclodextrin/16-mercaptohexadecanoic acid complex and its deposition on gold surfaces

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Abstract

Using 1H NMR, XRD and XPS techniques we show new findings concerning the nature of the complex formed between 16-mercaptohexadecanoic acid (MHA) and α-cyclodextrin. Stabilization was achieved by dipole-induced dipole interactions between the carboxyl groups of the MHA with the hydroxyls on the cavity rim of the α-cyclodextrin. Deposition of the complex onto a gold substrate with subsequent ethanol washing showed retention of the thiol moiety and removal of cyclodextrin.

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Acknowledgements

This work was funded by the New Zealand Foundation of Research, Science and Technology (Contract No’s: C08X0410 and IRL0402).

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Authors and Affiliations

  1. School of Chemistry, Physics and Earth Sciences, Flinders University, GPO Box 2100, Adelaide, SA, 5001, Australia

    Amanda V. Ellis

  2. Industrial Research Ltd-Nanotechnology Platform, PO Box 31-310, Lower Hutt, New Zealand

    Amanda V. Ellis, Shen Chong & Murray Jansen

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  1. Amanda V. Ellis
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  2. Shen Chong
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Correspondence to Amanda V. Ellis.

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Ellis, A.V., Chong, S. & Jansen, M. Formation of an α-cyclodextrin/16-mercaptohexadecanoic acid complex and its deposition on gold surfaces. J Incl Phenom Macrocycl Chem 63, 267–272 (2009). https://doi.org/10.1007/s10847-008-9516-3

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  • DOI: https://doi.org/10.1007/s10847-008-9516-3

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