Surface sum-frequency vibrational spectroscopy of nonpolar media
Journal Article
·
· Proceedings of the National Academy of Sciences of the United States of America
- Fudan Univ., Shanghai (China)
- Fudan Univ., Shanghai (China); Univ. of California, Berkeley, CA (United States)
Sum-frequency generation spectroscopy is surface specific only if the bulk contribution to the signal is negligible. Negligible bulk contribution is, however, not necessarily true, even for media with inversion symmetry. The inevitable challenge is to find the surface spectrum in the presence of bulk contribution, part of which has been believed to be inseparable from the surface contribution. Here, we show that, for nonpolar media, it is possible to separately deduce surface and bulk spectra from combined phase-sensitive sum-frequency vibrational spectroscopic measurements in reflection and transmission. Finally, the study of benzene interfaces is presented as an example.
- Research Organization:
- Univ. of California, Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- AC03-76SF00098
- OSTI ID:
- 1348219
- Journal Information:
- Proceedings of the National Academy of Sciences of the United States of America, Vol. 112, Issue 19; ISSN 0027-8424
- Publisher:
- National Academy of Sciences, Washington, DC (United States)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 27 works
Citation information provided by
Web of Science
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