Moll, D. J. and Parker, G. R., Jr. and Kuppermann, Aron (1984) Time-resolved two-color photoacoustic and multiphoton ionization spectroscopy of aniline. Journal of Chemical Physics, 80 (10). pp. 4808-4816. ISSN 0021-9606. http://resolver.caltech.edu/CaltechAUTHORS:MOLjcp84b
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The multiphoton ionization and photoacoustic signals from aniline have been detected as a function of time delay between two laser pulses of different wavelength. The first pulse excited the S0 → S1 0–0 transition. The second pulse either excited S1 to a higher singlet state, or a triplet state produced by intersystem crossing to a higher triplet state, depending on the time delay between pulses. Both ionization and dissociation processes are observed. By varying the conditions of excitation it appears that a given amount of energy can be selectively channeled almost exclusively into either ionization or dissociation pathways. The results are explained using a simple Franck–Condon factor model.
|Additional Information:||© 1984 American Institute of Physics. Received 21 September 1983; accepted 8 December 1983. Research supported in part by the U. S. Department of Energy (Contract No. DE-AS03-765F00767, Project Agreement No. DE-AT03-76ER720004). Work performed [by D.J.M.] in partial fulfillment of the requirements for the Ph.D. degree in Chemistry at California Institute of Technology. [D.J.M. was an] NSF Predoctoral Fellow. Arthur Amos Noyes Laboratory of Chemical Physics, Contribution No. 6914|
|Subject Keywords:||ANILINE, MULTI−PHOTON PROCESSES, PHOTOIONIZATION, PHOTOACOUSTIC SPECTROSCOPY, ENERGY−LEVEL TRANSITIONS, DISSOCIATION, FRANCK−CONDON PRINCIPLE|
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|Deposited By:||Tony Diaz|
|Deposited On:||27 Aug 2008 20:53|
|Last Modified:||26 Dec 2012 10:15|
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