Mechanisms of molecular polarization of bithiophenesilane dendrimers in solutions View Full Text


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Article Info

DATE

2011-07-15

AUTHORS

N. P. Yevlampieva, A. P. Khurchak, O. V. Borshchev, Yu. N. Luponosov, E. A. Kleimyuk, S. A. Ponomarenko, E. I. Ryumtsev

ABSTRACT

A number of consecutive generations of bithiophenesilane dendrimers and their precursors are studied by the methods of the equilibrium electro-optical Kerr effect, dielectric polarization, and absorption spectroscopy in dilute toluene solutions. It is shown that the molecules of hybrid dendrimers containing bithiophene fragments covalently linked via silicon atoms are not kinetically rigid and feature the small-scale mechanism of interaction with external electric fields. A tris(bithiophene)methylsilane fragment is found to be the subunit responsible for the electro-optical and optical spectral properties of the above hybrid dendrimers. It is revealed that the polarization of bithiophensilane dendrimers predominantly shows the deformation pattern. More... »

PAGES

569-577

References to SciGraph publications

  • 1990-03. MOPAC: A semiempirical molecular orbital program in JOURNAL OF COMPUTER-AIDED MOLECULAR DESIGN
  • 2006. Principles of Fluorescence Spectroscopy in NONE
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1134/s0965545x11070042

    DOI

    http://dx.doi.org/10.1134/s0965545x11070042

    DIMENSIONS

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