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A Novel Unsymmetrical Poly(1-N-Carbazolyl) Diacetylene for Non Linear Optics

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Abstract

Photoinduced absorption spectra of poly(1-N-carbazolyl-penta-1,3.diyne-5-acetoxy) show absorption peaks which depend on the sample preparation and on the temperature. The low temperature spectra show two well resolved absorptions centered at ∼0.5 and ∼1.2 eV respectively. In view of other experimental results on these systems, we have interpreted our data as evidence of charged bipolarons stabilized by interchain interactions.

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Acknowledgement

We acknowledge support by the Italian Ministry of University (MURST 40% and 60%) and by the National Research Council (CNR). We thank Prof. A. Borghesi for his interest in this research and for fruitful discussions.

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Authors and Affiliations

  1. Istituto di Chimica Organica, Universitá di Genova, C.so Europa 26, 16132, Genova, Italy

    G. Garbarino & C. Dell’erba

  2. Istituto di Chimica Industriale, Universitá di Genova, C.so Europa 30, 16132, Genova, Italy

    C. Cuniberti, P. Piaggio, G. F. Musso, D. Comorefito, G. Lanzani & G. Dellepiane

Authors
  1. G. Garbarino
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  2. C. Dell’erba
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  3. C. Cuniberti
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  4. P. Piaggio
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  5. G. F. Musso
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  6. D. Comorefito
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  7. G. Lanzani
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  8. G. Dellepiane
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Garbarino, G., Dell’erba, C., Cuniberti, C. et al. A Novel Unsymmetrical Poly(1-N-Carbazolyl) Diacetylene for Non Linear Optics. MRS Online Proceedings Library 214, 149–153 (1990). https://doi.org/10.1557/PROC-214-149

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  • DOI: https://doi.org/10.1557/PROC-214-149

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