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Picosecond Time-Resolved Fourier Transform Raman Spectroscopy of 9,10-Diphenylanthracene in the Excited Singlet State
Jas, Gouri S. Wan, Chaozhi Johnson, Carey K.
Jas, Gouri S.
Wan, Chaozhi
Johnson, Carey K.
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Abstract
Time-resolved Fourier transform Raman spectroscopy of the highly fluorescent chromophore 9,10-diphenylanthracene (DPA) in cyclohexane and ethanol is described. Raman spectra of the first excited singlet state of DPA were obtained with 100-ps resolution at several time delays between pump pulses at 355 nm and probe pulses at 1064 nm. The near-infrared excited-state Raman scattering is enhanced by resonance with an excited-state transition of DPA. The excited-state Raman bands decay in about 5-6 ns. Evidence for interaction of the solvent with the DPA excited state is observed in the cyclohexane C-H stretching bands.
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This is the publisher's version, also available electronically from http://www.opticsinfobase.org/as/abstract.cfm?URI=as-49-5-645.
Date
1995-05-01
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Optical Society of America
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Jas, Gouri S.; Wan, Chaozhi; Johnson, Carey K. (1995). "Picosecond Time-Resolved Fourier Transform Raman Spectroscopy of 9,10-Diphenylanthracene in the Excited Singlet State." Applied Spectroscopy, 49(5):645-649. http://www.opticsinfobase.org/as/abstract.cfm?URI=as-49-5-645