@article{Riese2019-10-02Nanov-43652,
  year={2019},
  doi={10.1080/00268976.2018.1511867},
  title={Nanoviscosity effect on the spin chemistry of an electron donor/Pt-complex /electron acceptor triad : classical and quantum kinetics interpretation},
  number={19},
  volume={117},
  issn={0026-8976},
  journal={Molecular Physics},
  pages={2632--2644},
  author={Riese, Stefan and Mungenast, Lena and Schmiedel, Alexander and Holzapfel, Marco and Lukzen, Nikita N. and Steiner, Ulrich and Lambert, Christoph}
}

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    <dc:creator>Steiner, Ulrich</dc:creator>
    <dc:creator>Lambert, Christoph</dc:creator>
    <dc:contributor>Mungenast, Lena</dc:contributor>
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    <dcterms:abstract xml:lang="eng">The magnetic-field dependent charge recombination kinetics upon ns-laser flash photolysis of a novel triarylamine/cyclometalated platinum complex/napthalenediimide triad (DPtA) have been measured in tetrahydrofuran (THF) and polytetrahydrofuran (pTHF) to study the spinchemical effect of a large increase of the macroviscosity of the solvent by a factor of about 1000. The magnetic-field dependence of the decay kinetics of the charge separated state has been accurately reproduced by a classical kinetic model, wherein the rate constants of transitions between spin substates of different Zeeman energy are represented by a single magnetic-field dependent rate constant k&lt;sub&gt;±&lt;/sub&gt;. In THF, the magnetic-field dependence ofk&lt;sub&gt;±&lt;/sub&gt; is given by a double Lorentzian function which, in a double log plot, shows two characteristic steps that can be consistently assigned to the magnetic field inhibition of the coherent and incoherent i.e. relaxational spin mixing mechanism. In pTHF, the magnetic field effect on k&lt;sub&gt;±&lt;/sub&gt; is a single step function decreasing to its limiting value at about 5 times lower fields than in THF. As shown by a quantum theoretical simulation, in this solvent coherent and incoherent processes are contributing equally at all fields. The nanoviscosity of pTHF appears to be much smaller than its macroviscosity.</dcterms:abstract>
    <dc:creator>Riese, Stefan</dc:creator>
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    <dc:contributor>Lambert, Christoph</dc:contributor>
    <dc:creator>Schmiedel, Alexander</dc:creator>
    <dc:contributor>Steiner, Ulrich</dc:contributor>
    <dc:creator>Mungenast, Lena</dc:creator>
    <dcterms:title>Nanoviscosity effect on the spin chemistry of an electron donor/Pt-complex /electron acceptor triad : classical and quantum kinetics interpretation</dcterms:title>
    <dcterms:issued>2019-10-02</dcterms:issued>
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    <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2018-11-05T11:57:22Z</dc:date>
    <dc:contributor>Lukzen, Nikita N.</dc:contributor>
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    <dc:contributor>Holzapfel, Marco</dc:contributor>
    <dc:contributor>Riese, Stefan</dc:contributor>
    <dc:language>eng</dc:language>
    <dc:creator>Lukzen, Nikita N.</dc:creator>
    <dc:creator>Holzapfel, Marco</dc:creator>
    <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2018-11-05T11:57:22Z</dcterms:available>
    <dc:contributor>Schmiedel, Alexander</dc:contributor>
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