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Oligomer molecules: first-principles investigation of the optical properties and applications to luminescent devices

Author

Listed:
  • Pisignano, D.
  • Della Sala, F.
  • Persano, L.
  • Gigli, G.
  • Cingolani, R.
  • Barbarella, G.
  • Favaretto, L.

Abstract

Oligomer molecules offer a number of advantages for the study of their photo-physical properties and for the application to optoelectronic devices. We investigated the optical properties of a substituted quinquethiophene by first-principles calculations, determining the absorption and the emission energies, and compared these to the experimental data. The optical gain properties of the oligomer were exploited for the realization of a solid-state laser device exhibiting single-mode emission at 637nm, with a full-width half-maximum of about 0.7nm and a pump fluence threshold as low as 220μJ/cm2.

Suggested Citation

  • Pisignano, D. & Della Sala, F. & Persano, L. & Gigli, G. & Cingolani, R. & Barbarella, G. & Favaretto, L., 2004. "Oligomer molecules: first-principles investigation of the optical properties and applications to luminescent devices," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 339(1), pages 106-111.
    • Handle: RePEc:eee:phsmap:v:339:y:2004:i:1:p:106-111
    DOI: 10.1016/j.physa.2004.03.050
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