Sample cells for probing solid/liquid interfaces with broadband sum-frequency-generation spectroscopy
Two sample cells designed specifically for sum-frequency-generation (SFG) measurements at the solid/liquid interface were developed: one thin-layer analysis cell allowing measurement of films on reflective metallic surfaces through a micrometer layer of solution and one spectroelectrochemical cell a...
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| Main Authors: | , , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
24 June 2010
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| In: |
Review of scientific instruments
Year: 2010, Volume: 81, Issue: 6, Pages: 1-10 |
| ISSN: | 1089-7623 |
| DOI: | 10.1063/1.3443096 |
| Online Access: | Resolving-System, lizenzpflichtig, Volltext: https://doi.org/10.1063/1.3443096 Verlag, lizenzpflichtig, Volltext: https://pubs.aip.org/aip/rsi/article/81/6/063111/352508/Sample-cells-for-probing-solid-liquid-interfaces 
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| Author Notes: | Dominique Verreault, Volker Kurz, Caitlin Howell, and Patrick Koelsch |
| Summary: | Two sample cells designed specifically for sum-frequency-generation (SFG) measurements at the solid/liquid interface were developed: one thin-layer analysis cell allowing measurement of films on reflective metallic surfaces through a micrometer layer of solution and one spectroelectrochemical cell allowing investigation of processes at the indium tin oxide/solution interface. Both sample cells are described in detail and data illustrating the capabilities of each are shown. To further improve measurements at solid/liquid interfaces, the broadband SFG system was modified to include a reference beam which can be measured simultaneously with the sample signal, permitting background correction of SFG spectra in real time. Sensitivity tests of this system yielded a signal-to-noise ratio of 100 at a surface coverage of 0.2 molecules/nm2. Details on data analysis routines, pulse shaping methods of the visible beam, as well as the design of a purging chamber and sample stage setup are presented. These descriptions will be useful to those planning to set up a SFG spectrometer or seeking to optimize their own SFG systems for measurements of solid/liquid interfaces. |
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| Item Description: | Gesehen am 05.09.2023 |
| Physical Description: | Online Resource |
| ISSN: | 1089-7623 |
| DOI: | 10.1063/1.3443096 |