Paper Title:
Preparation of Two Carbazole Derivatives and its Third-Order Nonlinear Optical Properties
  Abstract

Carbazole derivative is one sort of important nonlinear optical materials. In this work, new symmetric-type D-π-D carbazole derivatives, 3, 6 - di- substituted carbazole chromophores with two styryl bridges of the two-dimensional conjugated D-π-D system were synthesized via Witting reaction and characterized by IR, NMR and MS. The third-order nonlinear optical properties of the material were investigated using single-beam Z-scan technique with Sapphire femtosecond laser pulses at 800nm, repetition rate of 1 KHz and pulse width of 140fs. The results of Z-scan with and without an aperture showed that larger third-order nonlinear optical polarizabilities γ can be readily obtained in such carbazole chromophores because of the incorporation with two styryl bridges, increasing of conformational planarity and molecular conjugation length.

  Info
Periodical
Materials Science Forum (Volumes 663-665)
Edited by
Yuan Ming Huang
Pages
231-234
DOI
10.4028/www.scientific.net/MSF.663-665.231
Citation
L. Li, Y. Q. Wu, C. Y. He, W. B. Duan, "Preparation of Two Carbazole Derivatives and its Third-Order Nonlinear Optical Properties", Materials Science Forum, Vols. 663-665, pp. 231-234, 2011
Online since
November 2010
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Price
$32.00
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