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Observation of C-H stretch vibrations of monolayers of molecules optical sum-frequency generation

✍ Scribed by J.H. Hunt; P. Guyot-Sionnest; Y.R. Shen

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
328 KB
Volume
133
Category
Article
ISSN
0009-2614

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✦ Synopsis

We report the observation of the C-H stretch modes of monolayers of methanol and pentadecanoic acid adsorbed on glass and water using sum-frequency generation. This is a new surface spectroscopic probe, akin to second-harmonic generation for its surface specificity, but potentially more useful for its molecular selectivity.

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