Adsorption of a Switchable Industrial Dye on Au(111) and Ag(111)

被引：6

作者：

Boom, K. ^{[1
]}

Mueller, M. ^{[1
]}

Stein, F. ^{[1
]}

Ernst, St. ^{[2
]}

Morgenstern, K. ^{[3
]}

机构：

[1] Leibniz Univ Hannover, Inst Festkorperphys, Abt Atomare & Mol Strukturen ATMOS, D-30167 Hannover, Germany

[2] FEW Chem GmbH, Ortsteil Wolfen, D-06766 Bitterfeld, Germany

[3] Ruhr Univ Bochum, Lehrstuhl Phys Chem 1, D-44780 Bochum, Germany

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2015年 / 119卷 / 31期

关键词：

AZOBENZENE; MOLECULES; ISOMERIZATION; DYNAMICS; TRANS; LIGHT;

D O I：

10.1021/acs.jpcc.5b04883

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We investigate astraphloxine, an industrial dye, on two metal surfaces, Au(111) and Ag(111). Low-temperature scanning tunneling microscopy with submolecular resolution in comparison to semiempirical calculations reveal that only two of the nine possible conformers of this molecule are adsorbed. The two conformers adsorb via one of their indol groups, which serves as a platform that decouples the rest of the molecule from the surfaces. A change from one to the other conformer is demonstrated by injecting inelastic electrons from the tunneling tip selectively into individual molecules.

引用

页码：17718 / 17724

页数：7

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