Azide-Modified Graphitic Surfaces for Covalent Attachment of Alkyne-Terminated Molecules by “Click” Chemistry

Azide-modified graphitic surfaces were prepared by reaction with iodine azide. The surface-attached azides undergo the “click” reaction with alkyne-terminated molecules ethynylferrocene and 1-ethynyl-4-(trifluoromethyl)benzene. Voltammetric and XPS analyses show the surface coverage of both the azid...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2007-05, Vol.129 (17), p.5370-5371
Main Authors: Devadoss, Anando, Chidsey, Christopher E. D
Format: Article
Language:English
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Summary:Azide-modified graphitic surfaces were prepared by reaction with iodine azide. The surface-attached azides undergo the “click” reaction with alkyne-terminated molecules ethynylferrocene and 1-ethynyl-4-(trifluoromethyl)benzene. Voltammetric and XPS analyses show the surface coverage of both the azide and the subsequent triazole of 2 × 1013 molecules/cm2. The 1,2,3-triazole linker is stable in an aqueous 1 M HCl solution for at least 60 min at 55 °C.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja071291f