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- Publisher Website: 10.1016/0301-0104(93)80224-W
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Article: Cis-stilbene photochemistry: direct observation of product formation and relaxation through two-color UV pump-probe Raman spectroscopy
Title | Cis-stilbene photochemistry: direct observation of product formation and relaxation through two-color UV pump-probe Raman spectroscopy |
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Authors | |
Issue Date | 1993 |
Publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/chemphys |
Citation | Chemical Physics, 1993, v. 175 n. 1, p. 1-12 How to Cite? |
Abstract | The formation of hot trans-stilbene by photoisomerization of cis-stilbene, and its subsequent vibrational cooling, have been monitored by picosecond two-color UV pump-probe anti-Stokes Raman spectroscopy. Pairs of pump (295 nm) and probe (278 nm) pulses at a 500 Hz repetition rate interrogate flowing samples of cis-stilbene in cyclohexane or methanol, and the anti-Stokes Raman scattering due mainly to the trans-stilbene product is detected. Hot ground-state trans-stilbene appears promptly within our 10 ps experimental time resolution, and the anti-Stokes intensity decays with a time constant of 39 ± 10 ps in cyclohexane and 17 ± 5 ps in methanol. The decay of the anti-Stokes intensity is accompanied by a shift of the CC stretching vibrations by about 20 cm-1 to higher frequencies. The question of whether or not the initial vibrational distribution is statistical is addressed, but the present data do not allow firm conclusions to be drawn. © 1993. |
Persistent Identifier | http://hdl.handle.net/10722/167937 |
ISSN | 2023 Impact Factor: 2.0 2023 SCImago Journal Rankings: 0.439 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Phillips, DL | en_US |
dc.contributor.author | Rodier, JM | en_US |
dc.contributor.author | Myers, AB | en_US |
dc.date.accessioned | 2012-10-08T03:13:09Z | - |
dc.date.available | 2012-10-08T03:13:09Z | - |
dc.date.issued | 1993 | en_US |
dc.identifier.citation | Chemical Physics, 1993, v. 175 n. 1, p. 1-12 | en_US |
dc.identifier.issn | 0301-0104 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/167937 | - |
dc.description.abstract | The formation of hot trans-stilbene by photoisomerization of cis-stilbene, and its subsequent vibrational cooling, have been monitored by picosecond two-color UV pump-probe anti-Stokes Raman spectroscopy. Pairs of pump (295 nm) and probe (278 nm) pulses at a 500 Hz repetition rate interrogate flowing samples of cis-stilbene in cyclohexane or methanol, and the anti-Stokes Raman scattering due mainly to the trans-stilbene product is detected. Hot ground-state trans-stilbene appears promptly within our 10 ps experimental time resolution, and the anti-Stokes intensity decays with a time constant of 39 ± 10 ps in cyclohexane and 17 ± 5 ps in methanol. The decay of the anti-Stokes intensity is accompanied by a shift of the CC stretching vibrations by about 20 cm-1 to higher frequencies. The question of whether or not the initial vibrational distribution is statistical is addressed, but the present data do not allow firm conclusions to be drawn. © 1993. | en_US |
dc.language | eng | en_US |
dc.publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/chemphys | en_US |
dc.relation.ispartof | Chemical Physics | en_US |
dc.title | Cis-stilbene photochemistry: direct observation of product formation and relaxation through two-color UV pump-probe Raman spectroscopy | en_US |
dc.type | Article | en_US |
dc.identifier.email | Phillips, DL:phillips@hku.hk | en_US |
dc.identifier.authority | Phillips, DL=rp00770 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1016/0301-0104(93)80224-W | - |
dc.identifier.scopus | eid_2-s2.0-21144477001 | en_US |
dc.identifier.volume | 175 | en_US |
dc.identifier.issue | 1 | en_US |
dc.identifier.spage | 1 | en_US |
dc.identifier.epage | 12 | en_US |
dc.identifier.isi | WOS:A1993LV23100002 | - |
dc.publisher.place | Netherlands | en_US |
dc.identifier.scopusauthorid | Phillips, DL=7404519365 | en_US |
dc.identifier.scopusauthorid | Rodier, JM=7102720856 | en_US |
dc.identifier.scopusauthorid | Myers, AB=7202743342 | en_US |
dc.identifier.issnl | 0301-0104 | - |