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Proceedings Paper

NLO properties of dithienothiophene-based chromophores: a comparison study between the donor/donor and donor/acceptor substitution patterns
Author(s): M. Carmen Ruiz Delgado; Juan Casado; Víctor Hernández; Juan Teodomiro López Navarrete; Oh-Kil Kim; Han Young Woo; Belén Villacampa; Raquel Alicante; Jesús Orduna; Javier Garín
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Paper Abstract

In this work, we present a comparative study of the second order nonlinear optical properties of a series of chromophores containing a fused terthiophene, namely dithienothiophene (DTT), as electron relay with either D-π-A or D-π-D substitution patterns. The effect of the acceptor/donor strength and the solvent polarity confirm the possibility of fine-tuning optical non-linearities in the asymmetric samples. The geometrical and electronic properties calculated in solution reveal that push-pull chromophores become highly polarized as the dielectric constant of the solvent increases. Theoretical NLO calculations furthermore reveal a moderate nonlinear optical activity for the symmetric samples.

Paper Details

Date Published: 13 September 2007
PDF: 9 pages
Proc. SPIE 6653, Linear and Nonlinear Optics of Organic Materials VII, 66530X (13 September 2007); doi: 10.1117/12.733723
Show Author Affiliations
M. Carmen Ruiz Delgado, Georgia Institute of Technology (United States)
Univ. of Málaga (Spain)
Juan Casado, Univ. of Málaga (Spain)
Víctor Hernández, Univ. of Málaga (Spain)
Juan Teodomiro López Navarrete, Univ. of Málaga (Spain)
Oh-Kil Kim, Naval Research Lab. (United States)
Han Young Woo, Naval Research Lab. (United States)
Belén Villacampa, Univ. of Zaragoza-CSIC (Spain)
Raquel Alicante, Univ. of Zaragoza-CSIC (Spain)
Jesús Orduna, Univ. of Zaragoza-CSIC (Spain)
Javier Garín, Univ. of Zaragoza-CSIC (Spain)


Published in SPIE Proceedings Vol. 6653:
Linear and Nonlinear Optics of Organic Materials VII
Jean-Michel Nunzi, Editor(s)

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