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Time-resolved studies of two-photon absorption processes in poly(p-phenylenevinylene)s

Title data

Lemmer, Ulrich ; Rischer, R. ; Feldmann, J. ; Mahrt, R. F. ; Yang, Ji-ping ; Greiner, Andreas ; Bässler, Heinz ; Göbel, E. O. ; Heesel, H. ; Kurz, H.:
Time-resolved studies of two-photon absorption processes in poly(p-phenylenevinylene)s.
In: Chemical Physics Letters. Vol. 203 (February 1993) Issue 1 . - pp. 28-32.
ISSN 1873-4448
DOI: https://doi.org/10.1016/0009-2614(93)89304-Z

Official URL: Volltext

Abstract in another language

Transient absorption spectroscopy and two-photon fluorescence techniques were used to study the nonresonant optical nonlinearities in poly(p-phenylenevinylene) (PPV) and its phenyl substituted derivative (PPPV). Strong two-photon absorption with a coefficient beta in the range of 5 cm/GW was found. The temporal behavior of the two-photon absorption process in PPV and PPPV, however, is significantly different, which is attributed to the different morphology of the polymer samples. The two-photon resonance lies energetically well above the first excited state in

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: ISI:A1993KL41200006
Keywords: VINYLENE
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II > Chair Macromolecular Chemistry II - Univ.-Prof. Dr. Andreas Greiner
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 17 Apr 2015 08:21
Last Modified: 12 May 2015 05:17
URI: https://eref.uni-bayreuth.de/id/eprint/10319