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In-situ Referencing Method for Heterodyne-detected Vibrational Sum Frequency Generation Measurements at Liquid/Metal Interfaces
The in-situ characterization of electrolyte solution/metal electrode interfaces is crucial for an understanding of various electrochemical processes. Here, we propose the referencing method for heterodyne-detected vibrational sum frequency generation measurements that enable determination of the up/...
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Published in: | Chemistry letters 2019-11, Vol.48 (11), p.1387-1390 |
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Main Authors: | , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | The in-situ characterization of electrolyte solution/metal electrode interfaces is crucial for an understanding of various electrochemical processes. Here, we propose the referencing method for heterodyne-detected vibrational sum frequency generation measurements that enable determination of the up/down orientation of molecules at electrolyte/electrode interfaces. Proof-of-concept experiments of the proposed method were performed for a self-assembled monolayer of 1-octadecanethiol on a platinum surface in air as well as in water. This study opens a new way to explore the structure and orientation of molecules at buried electrolyte/electrode interfaces. |
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ISSN: | 0366-7022 1348-0715 |
DOI: | 10.1246/cl.190606 |