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Tip enhanced Raman spectroscopy on azobenzene thiol self-assembledmonolayers on Au(111)

Gennaro Picardi 1, * Marc Chaigneau 1 Razvigor Ossikovski 1 Christophe Licitra 2 G. Delapierre 3
* Corresponding author
1 LPICM - Laboratoire de physique des interfaces et des couches minces [Palaiseau]
2 MINATEC 17
CEA-LETI - Commissariat à l'énergie atomique et aux énergies alternatives - Laboratoire d'Electronique et de Technologie de l'Information
3 CEA-LETI - Commissariat à l'énergie atomique et aux énergies alternatives - Laboratoire d'Electronique et de Technologie de l'Information
Abstract : Tip enhanced Raman spectroscopy (TERS) and imaging experiments in tunnelling (gap) mode were performed on a 2 nm thick azobenzene thiol monolayer grafted on Au(111). A strong dependence on the tunnelling parameters, regulating the gold tip-gold surface gap distance,was observed for the intensity of the enhanced Raman signal. The influence of the incident light polarization is also discussed.
keyword : tip enhanced Raman spectroscopy scanning tunnelling microscopy azobenzene thiol polarization
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https://hal-polytechnique.archives-ouvertes.fr/hal-00838029
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Submitted on : Monday, June 24, 2013 - 4:02:18 PM
Last modification on : Friday, May 28, 2021 - 1:58:04 PM

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Gennaro Picardi, Marc Chaigneau, Razvigor Ossikovski, Christophe Licitra, G. Delapierre. Tip enhanced Raman spectroscopy on azobenzene thiol self-assembledmonolayers on Au(111). Journal of Raman Spectroscopy, Wiley, 2009, 40, pp.1407-1412. ⟨10.1002/jrs.2362⟩. ⟨hal-00838029⟩

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