Special Issue "Conjugated Oligomers"

Guest Editor
Prof. Dr. Herbert Meier
Institut für Organische Chemie, Duesbergweg 10-14 Johannes Gutenberg-Universität, 55099 Mainz, Germany
Website: http://www.uni-mainz.de/FB/Chemie/AK-Meier/
E-Mail: hmeier@uni-mainz.de
Interests: conjugated oligomers and polymers and their application in photoconductivity and nonlinear optics; synthesis of stilbenoid dendrimers; squaraines with extended conjugation; optical switching with liquid crystals; areno-condensed annulenes and their application as liquid crystals and photoconductors; new syntheses in heterocyclic chemistry

Dear Colleagues,

Monodisperse, conjugated oligomers attract increasing attention in chemistry and materials science because of their interesting electrical, optical, and optoelectronic properties. These compounds can serve as materials in their own right but also as model compounds for the corresponding conjugated polymers.

The idea to extrapolate a certain property P(n) for increasing numbers n of repeat units to a limiting value P_∞ (n → ∞) is fascinating. The convergence, however, is not always simple. The effective conjugation length n_ECL shall give an answer to the question from which n on a further extension of the chain does not any longer affect a certain property P─ for example the HOMO-LUMO gap/ band gap in the solid state DE(n), the fluorescence quantum yield Ф_F(n), etc.

The structural homogeneity of monodisperse, conjugated oligomers with a well defined chain length and selected end groups facilitates the study of these compounds (nanoparticles) and gives rise to an excellent reproducibility of a certain behavior.

The present special issue of this journal shall give an impression of some modern aspects and recent developments in the chemistry of conjugated oligomers and their applications.

Prof. Dr. Herbert Meier
Guest Editor

Submission

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• Electrical conductance of conjugated oligomers
• Photoluminescence and electroluminescence
• Nonlinear optics
• Generation and mobility of charge carriers
• Energy and/or electron transfer
• Oligo(ethynediylporphyrindiylethynediyl)s