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

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

doi:10.1021/la9510792

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

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

103 Scopus citations

Abstract

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 language	English
Pages (from-to)	2849-2852
Number of pages	4
Journal	Langmuir
Volume	12
Issue number	11
DOIs	https://doi.org/10.1021/la9510792
State	Published - 29 May 1996

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abstract = "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.",

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AU - Dakkouri, A. S.

AU - Kolb, D. M.

AU - Edelstein-Shima, R.

AU - Mandler, D.

PY - 1996/5/29

Y1 - 1996/5/29

N2 - 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.

AB - 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.

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

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