Photodegradation of various electro-optic polymer families

G. I. Stegeman, A. Galvan-Gonzales, M. Canva, R. Twieg, A. C. Kowalczyk, X. Q. Zhang, H. S. Lackritz, S. Marder, S. Thayumanavan, K. P. Chan, A. K Y Jen, X. Wu

Research output: Journal Publications and ReviewsRGC 22 - Publication in policy or professional journal

7 Citations (Scopus)

Abstract

The photostability of different chromophore families has been studied as a function of probe wavelength in the spectral range 400 to 1320 nm. Multiple donor and acceptor groups have been attached to the main bridge structures containing stilbene, azobenzene, aniline, thiophene and anilinethiophene substructures. The figure of merit B/σ was measured and the quantum efficiency B-1 was evaluated for over 40 dye containing polymers, including both side-chain and guest-host systems.
Original languageEnglish
Pages (from-to)57-66
JournalMolecular Crystals and Liquid Crystals Science and Technology Section B: Nonlinear Optics
Volume25
Issue number1-4
Publication statusPublished - 2000
Externally publishedYes

Research Keywords

  • Charge Transfer States
  • Electro-optic Chromophores
  • Photo-oxidation
  • Photodegradation
  • Polymer Photonics
  • Trans-cis isomerization

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