Journal ArticleDOI
Picosecond structural relaxation of S1 trans-stilbene in solution as revealed by time-resolved Raman spectroscopy
Koichi Iwata,Hiro-o Hamaguchi +1 more
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TLDR
In this paper, a transform-limited Raman spectra of S 1 trans-stilbene (S 1 t SB) in heptane was obtained with 3 ps and 2 cm −1 ) picosecond pulses from a high repetition-rate amplified synchronously-pumped dye laser system.About:
This article is published in Chemical Physics Letters.The article was published on 1992-08-21. It has received 68 citations till now. The article focuses on the topics: Picosecond & Photoexcitation.read more
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Local structure formation in alkyl-imidazolium-based ionic liquids as revealed by linear and nonlinear Raman spectroscopy.
TL;DR: Several pieces of Raman spectroscopic evidence are shown indicative of local structure formation in imidazolium-based ionic liquids and two novel phenomena are described that are relevant to extraordinary nanoenvironments generated by local structures in a magnetic ionic liquid C 4mim[FeCl 4].
Journal ArticleDOI
Microscopic Mechanism of Solute−Solvent Energy Dissipation Probed by Picosecond Time-Resolved Raman Spectroscopy
Koichi Iwata,Hiro-o Hamaguchi +1 more
TL;DR: In this paper, the excess energy dissipation process of photoexcited S1 trans-stilbene in solution has been studied with picosecond time-resolved Raman spectroscopy.
Journal ArticleDOI
Development of a broadband picosecond infrared spectrometer and its incorporation into an existing ultrafast time-resolved resonance raman, UV/visible, and fluorescence spectroscopic apparatus
Michael Towrie,David C. Grills,Joanne Dyer,Julia A. Weinstein,Pavel Matousek,Robin Barton,Philip D. Bailey,Naresh Subramaniam,Wai Ming Kwok,Chensheng Ma,David Phillips,Anthony W. Parker,Michael W. George +12 more
TL;DR: Preliminary picosecond TRIR studies are presented and it is demonstrated how a combination of TRIR and TR3 spectroscopy can provide key information for the full elucidation of a photochemical process.
Journal ArticleDOI
Dynamics of Photoinduced Charge Separation and Charge Recombination in Synthetic DNA Hairpins with Stilbenedicarboxamide Linkers
Frederick D. Lewis,Taifeng Wu,Xiaoyang Liu,Robert L. Letsinger,Scott R. Greenfield,Scott E. Miller,Michael R. Wasielewski +6 more
TL;DR: The dynamics of photoinduced charge separation and charge recombination in synthetic DNA hairpins have been investigated by means of femtosecond and nanosecond transient spectroscopy and results show a long stilbene lifetime and high fluorescence quantum yield.
Journal ArticleDOI
Time-Resolved Vibrational Spectroscopy of Electronically Excited Inorganic Complexes in Solution.
TL;DR: Time-resolved vibrational spectroscopic studies of electronic excited states in solution were reviewed by Morris and Woodruff in 1987 and with the advances made recently in TRIR spectroscopy, infrared spectra can now be measured on the time scales previously obtained only by the transient Raman method.
References
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Journal ArticleDOI
The origin of vibrational dephasing of polyatomic molecules in condensed phases
TL;DR: In this article, the vibrational dephasing of polyatomic molecules in condensed phases by intermolecular vibrational energy exchange is treated theoretically, and a reduced density matrix technique within the constraints of a Markoff approximation is proposed to account for the time dependence introduced by the exchange process.
Journal ArticleDOI
Picosecond processes in the isomerism of stilbenes
TL;DR: In this paper, a summary of recent experiments involving stilbene in the gas phase is presented, showing that isolated molecules twist very rapidly and display characteristics typical of systems with a potential barrier.
Journal ArticleDOI
Picosecond dynamics and photoisomerization of stilbene in supersonic beams. I. Spectra and mode assignments
TL;DR: Syage et al. as mentioned in this paper presented a full account of their earlier report on the spectra and picosecond dynamics of stilbene isomerization in supersonic jets.
Journal ArticleDOI
Two-color stimulated emission spectroscopy of trans-stilbene: large amplitude torsional motion in the ground state and its role in intramolecular vibrational redistribution
Journal ArticleDOI
Picosecond transient Raman spectroscopy: The photoisomerization of trans‐stilbene
TL;DR: In this paper, the authors measured the transient resonance Raman spectra of t-stilbene in hexane using a high repetition rate, amplified, synchronously pumped dye laser.
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Microscopic Mechanism of Solute−Solvent Energy Dissipation Probed by Picosecond Time-Resolved Raman Spectroscopy
Koichi Iwata,Hiro-o Hamaguchi +1 more