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  • 1
    Electronic Resource
    Electronic Resource
    A Theory of Electronic Energy Transfer in Complex Molecular Systems (2000)
    Springer
    Russian physics journal 43 (2000), S. 829-833 
    Details
    ISSN: 1573-9228
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The Förster theory for energy transfer is critically reviewed in the context of the present-day theory of nonradiative transitions, and the fundamental tenets of the Förster theory are shown to be erroneous. A new theory of electronic energy transfer is constructed taking into account the electronic transition theory. The intermolecular interaction between donor and acceptor molecules is assumed to perturb electron states of isolated molecules before the donor-molecule excitation. A distinguishing characteristic of the intermolecular interaction is spatial delocalization of the wave functions of electron states of the interacting molecules. It is this fact that has made it possible to realize ordinary photophysical processes between electron states of various molecules in a bimolecular system. In the experiments under study, the result of the intermolecular nonradiative photoprocess is given as evidence of electronic energy transfer from the donor molecule to the acceptor molecule.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009480632741
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Fluorescence Investigations of Phenol Phototransformation in Aqueous Solutions (2000)
    Springer
    Journal of fluorescence 10 (2000), S. 403-408 
    Details
    ISSN: 1573-4994
    Keywords: Phenol photolysis ; ionic forms ; fluorescence spectrum ; XeCl laser
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Absorption and fluorescence techniques were used to study special features of the XeCl laser-induced phototransformation of phenols in water and to compare the results obtained with those of photolysis of phenol solutions exposed to the UV radiation from mercury lamps. XeCl laser-induced phenol photolysis provided photoproducts not found on exposure to UV radiation. This is related to the two-photon population of highly excited phenol states under high-power laser pumping, which gives rise to a new phototransformation reaction pathway.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009486615346
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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