Electrochemical SHG at a Ag(111) single-crystal electrode using the hanging 
meniscus configuration

Danckwerts, Matthias; Savinova, Elena R.; Pettinger, Bruno; Doblhofer, Karl

doi:10.1007/s00340-002-0920-x

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Electrochemical SHG at a Ag(111) single-crystal electrode using the hanging meniscus configuration

Danckwerts, M., Savinova, E. R., Pettinger, B., & Doblhofer, K. (2002). Electrochemical SHG at a Ag(111) single-crystal electrode using the hanging meniscus configuration. Applied Physics B, 74(7-8), 635-639. doi:10.1007/s00340-002-0920-x.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-14B3-5 Version Permalink: https://hdl.handle.net/21.11116/0000-0006-91ED-B

Genre: Journal Article

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Creators:
Danckwerts, Matthias¹, Author
Savinova, Elena R., Author
Pettinger, Bruno¹, Author
Doblhofer, Karl¹, Author

Affiliations:
1Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546

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Free keywords: OPTICAL 2ND-HARMONIC GENERATION; RAY PHOTOELECTRON-SPECTROSCOPY: SCANNING-TUNNELING-MICROSCOPY; AG(111) ELECTRODE; ALKALINE ELECTROLYTE; AU(111) ELECTRODES; SILVER-ELECTRODES; DOUBLE-LAYER; OXYGEN-CHEMISORPTION; RAMAN-SPECTROSCOPY

Abstract: We combine in situ electrochemical second-harmonic generation (SHG) with voltammetry measurements using the hanging meniscus configuration. This setup is used to investigate the interface between a Ag (111) electrode and an alkaline electrolyte. The study offers a new in situ insight into the electrochemical processes at the Ag (111) electrode during OH adsorption and subsequent oxidation. The behavior of SHG isotropic and anisotropic contributions as a function of potential is discussed and related to the interfacial electric field.,Comparison of the results with previous investigations of the Ag underpotential oxidation in alkaline solutions shows that submonolayer oxidation is followed by bulk oxidation.

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Language(s): eng - English

Dates: Date issued: 2002-06-06

Publication Status: Issued

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Rev. Type: Peer

Identifiers: eDoc: 8259
DOI: 10.1007/s00340-002-0920-x

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Title: Applied Physics B

Alternative Title : Appl. Phys. B

Source Genre: Journal

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Pages: - Volume / Issue: 74 (7-8) Sequence Number: - Start / End Page: 635 - 639 Identifier: -