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

被引：97

作者：

Dakkouri, AS

Kolb, DM

EdelsteinShima, R

Mandler, D

机构：

[1] UNIV ULM,DEPT ELECTROCHEM,D-89069 ULM,GERMANY

[2] HEBREW UNIV JERUSALEM,DEPT INORGAN & ANALYT CHEM,IL-91904 JERUSALEM,ISRAEL

来源：

LANGMUIR | 1996年 / 12卷 / 11期

关键词：

D O I：

10.1021/la9510792

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The adsorption of L-cysteine on Au(lll) 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 (root 3 x root 3)R30 degrees 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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页码：2849 / 2852

页数：4

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