Article ; Online: Long Vibrational Lifetime R-Selenocyanate Probes for Ultrafast Infrared Spectroscopy: Properties and Synthesis.
The journal of physical chemistry. B
2021 Volume 125, Issue 31, Page(s) 8907–8918
Abstract: Ultrafast infrared vibrational spectroscopy is widely used for the investigation of dynamics in systems from water to model membranes. Because the experimental observation window is limited to a few times the probe's vibrational lifetime, a frequent ... ...
Abstract | Ultrafast infrared vibrational spectroscopy is widely used for the investigation of dynamics in systems from water to model membranes. Because the experimental observation window is limited to a few times the probe's vibrational lifetime, a frequent obstacle for the measurement of a broad time range is short molecular vibrational lifetimes (typically a few to tens of picoseconds). Five new long-lifetime aromatic selenocyanate vibrational probes have been synthesized and their vibrational properties characterized. These probes are compared to commercial phenyl selenocyanate. The vibrational lifetimes range between ∼400 and 500 ps in complex solvents, which are some of the longest room-temperature vibrational lifetimes reported to date. In contrast to vibrations that are long-lived in simple solvents such as CCl |
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MeSH term(s) | Cyanates ; Selenium Compounds ; Spectrophotometry, Infrared ; Vibration |
Chemical Substances | Cyanates ; Selenium Compounds ; selenocyanic acid (5749-48-4) |
Language | English |
Publishing date | 2021-08-02 |
Publishing country | United States |
Document type | Journal Article ; Research Support, U.S. Gov't, Non-P.H.S. |
ISSN | 1520-5207 |
ISSN (online) | 1520-5207 |
DOI | 10.1021/acs.jpcb.1c04939 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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