Scanning tunneling microscopy study of L-cysteine on Au(111)

A. S. Dakkouri, D. M. Kolb*, R. Edelstein-Shima, D. Mandler

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

102 Scopus citations


The adsorption of L-cysteine on Au(111) from a perchlorate solution was studied by in-situ scanning tunneling microscopy. The potential-induced adsorption of the thiols lifts the reconstruction of Au(111) and at more positive potentials L-cysteine adopts a (√3 × √3)R30° adlayer structure. The potential-induced desorption of the adlayer does not cause the reconstruction to reappear but instead leaves a roughened surface with a large number of monoatomic high gold islands and monoatomic deep holes.

Original languageAmerican English
Pages (from-to)2849-2852
Number of pages4
Issue number11
StatePublished - 29 May 1996


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