Electrochemical stability of self-assembled monolayers on nanoporous Au.
نویسندگان
چکیده
Desorption of thiolate self-assembled monolayers (SAMs) seriously limits the fabrication of thiol-based devices. Here we demonstrate that nanoporous Au produced by dealloying Au-Ag alloys exhibits high electrochemical stability against thiolate desorption. Nanoporous Au has many defective sites, lattice strain and residual Ag on the ligament surface. First-principles calculations indicate that these surface aspects increase the binding energy between a SAM and the surface of nanoporous Au.
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ورودعنوان ژورنال:
- Physical chemistry chemical physics : PCCP
دوره 13 26 شماره
صفحات -
تاریخ انتشار 2011