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Molecular photofragmentation dynamics in the gas and condensed phases

Research output: Contribution to journalReview article

Original languageEnglish
Pages (from-to)63-82
JournalAnnual Review of Physical Chemistry
Volume68
Early online date30 Jan 2017
DOIs
DateAccepted/In press - 30 Jan 2017
DateE-pub ahead of print - 30 Jan 2017
DatePublished (current) - 5 May 2017

Abstract

Exciting a molecule with an ultraviolet photon often leads to bond fission, but the final outcome of the bond cleavage is typically both molecule and phase dependent. The photodissociation of an isolated gas-phase molecule can be viewed as a closed system: Energy and momentum are conserved, and the fragmentation is irreversible. The same is not true in a solution-phase photodissociation process. Solvent interactions may dissipate some of the photoexcitation energy prior to bond fission and will dissipate any excess energy partitioned into the dissociation products. Products that have no analog in the corresponding gas-phase study may arise by, for example, geminate recombination. Here, we illustrate the extent to which dynamical insights from gas-phase studies can inform our understanding of the corresponding solution-phase photochemistry and how, in the specific case of photoinduced ring-opening reactions, solution-phase studies can in some cases reveal dynamical insights more clearly than the corresponding gas-phase study.

    Research areas

  • conical intersections, nonadiabatic dynamics, photochemistry, photodissociation, photoinduced ring opening

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  • Full-text PDF (submitted manuscript

    Rights statement: This is the submitted manuscript. The final published version (version of record) is available online via Annual Review of Physical Chemistry at http://www.annualreviews.org/doi/10.1146/annurev-physchem-052516-050756 . Please refer to any applicable terms of use of the publisher

    Submitted manuscript, 955 KB, PDF-document

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