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Design and Synthesis of Dendrimers with Enhanced Two-Photon Absorption

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Abstract

Model dendrimers based on bis-(diphenylamino)stilbene repeat units have been synthesized and shown to have very stable bipolaronic charge states. Calculations at the AM-1 level predict two orders magnitude enhancement in the third-order nonlinearity in going from the neutral to bipolaron state. Measurement of two-photon cross-sections for PPV dimers with attached diphenylamino donor groups show enhanced two-photon cross-sections for ns pulses. Preliminary evaluation of one of the model dendrimers indicates even larger two-photon cross-sections are possible.

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Authors and Affiliations

  1. Department of Chemistry and Biochemistry, Montana State University, Bozeman, MT, 59717, USA

    E. H. Elandaloussi & C. W. Spangler

  2. Department of Chemistry, University of Texas-El Paso, El Paso, TX, USA

    C. Dirk

  3. Laser Photonics Technology, Inc., 1576 Sweet Home Rd., Amherst, NY, 14228, USA

    M. Casstevens, D. Kumar & R. Burzynski

Authors
  1. E. H. Elandaloussi
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  2. C. W. Spangler
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  3. C. Dirk
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  4. M. Casstevens
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  5. D. Kumar
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  6. R. Burzynski
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Elandaloussi, E.H., Spangler, C.W., Dirk, C. et al. Design and Synthesis of Dendrimers with Enhanced Two-Photon Absorption. MRS Online Proceedings Library 561, 63–68 (1999). https://doi.org/10.1557/PROC-561-63

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  • DOI: https://doi.org/10.1557/PROC-561-63

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