期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 119, 期 31, 页码 17718-17724出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpcc.5b04883
关键词
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资金
- German Science Foundation (DFG) [MO 960/4-1]
- Cluster of Excellence RESOLV [EXC 1089]
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.
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