Evidence for Nondestructive Adsorption of Dialkyl Sulfides on Gold

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Beulen, Marcel W.J. and Huisman, Bart-Hendrik and Heijden van der, Peter A. and Veggel van, Frank C.J.M. and Simons, Marcel G. and Biemond, Ed M.E.F. and Lange de, Pieter J. and Reinhoudt, David N. (1996) Evidence for Nondestructive Adsorption of Dialkyl Sulfides on Gold. Langmuir, 12 (26). pp. 6170-6172. ISSN 07437463

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Abstract:The nondestructive adsorption of long chain dialkyl sulfides on gold is reported. Self-assembled monolayers of decanethiol, didecyl disulfide, and didecyl sulfide were prepared and characterized by XPS, grazing-angle FT-IR, wettability studies, and TOF-SIMS. The first three techniques provide evidence that well-packed monolayers are formed. The positive SIMS spectrum of didecyl sulfide showed fragments that originate from intact dialkyl sulfide attached to gold without C-S bond cleavage. Our results underline the generally accepted nondestructive adsorption process of dialkyl sulfides and contradict the recently reported cleavage of one of the alkyl sulfur bonds of sulfides upon adsorption.
Item Type:Article
Copyright:© 1996 American Chemical Society
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Link to this item:http://purl.utwente.nl/publications/10904
Official URL:http://dx.doi.org/10.1021/la9606660
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Metis ID: 105896