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Nonlinear Optical and Electroactive Polymers pp 331–346Cite as

Optical Spectra of Flexible Conjugated Polymers

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Abstract

Organic dyes illustrate the close connection between π-electron derealization and optical spectra. Both conjugation length and geometry are important1. Conjugated polymers are still longer and in highly ordered forms may be idealized as linear crystals. While dyes and polyenes are essentially planar at ambient temperatures, polymeric strands may only be planar locally. For instance, π-conjugated polydiacetylenes 2,3 and polythiophenes4 or σ-conjugated5 polysilanes6,7 and polygermanes8 can exist as random coils in either dilute solutions or solid films. Conformational degrees of freedom associated with bond rotations are coupled to the conjugation and result in significant thermochromism. Neither molecules nor crystals are apt models for a random coil. We develop in this paper the general features of optical transitions in flexible conjugated polymers.

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Author information

Authors and Affiliations

  1. Dept. of Chemistry, Princeton University, Princeton, NJ, 08544, USA

    Z. G. Soos

  2. Sandia National Laboratories, Albuquerque, NM, 87185, USA

    K. S. Schweizer

Authors
  1. Z. G. Soos
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  2. K. S. Schweizer
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Editor information

Editors and Affiliations

  1. State University of New York at Buffalo, Buffalo, New York, USA

    Paras N. Prasad

  2. Air Force Office of Scientific Research, Washington, DC, USA

    Donald R. Ulrich

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© 1988 Plenum Press, New York

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Soos, Z.G., Schweizer, K.S. (1988). Optical Spectra of Flexible Conjugated Polymers. In: Prasad, P.N., Ulrich, D.R. (eds) Nonlinear Optical and Electroactive Polymers. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0953-6_20

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  • DOI: https://doi.org/10.1007/978-1-4613-0953-6_20

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4612-8262-4

  • Online ISBN: 978-1-4613-0953-6

  • eBook Packages: Springer Book Archive

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