Preparation of Two Carbazole Derivatives and its Third-Order Nonlinear Optical Properties

Article Preview

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.

You might also be interested in these eBooks

Info:

Periodical:

Materials Science Forum (Volumes 663-665)

Pages:

231-234

Citation:

Online since:

November 2010

Export:

Price:

Permissions CCC:

Permissions PLS:

Сopyright:

© 2011 Trans Tech Publications Ltd. All Rights Reserved

Share:

Citation:

[1] W. Denk, J.H. Strickler and W.W. Webb: Science Vol. 73 (1990), p.248.

Google Scholar

[2] J. Bewersdorf, R. Pick and S.W. Hell: Opt. Lett. Vol. 23 (1998), p.655.

Google Scholar

[3] D.X. Cao, Z.Q. Liu, G.Z. Li, G.Q. Liu and G. H. Zhang: J. Mol. Struct. Vol. 874 (2008), p.46.

Google Scholar

[4] R.T. Hu, L.F. Lu, B.F. Ruan and P. Wang: Sci China Ser B-Chem. Vol. 52 (2009), p.1210.

Google Scholar

[5] R.D. Nalda, R.D. Coso and Requejo-Isidro: J. Opt. Soc. Am. B Vol. 19(2002) 289.

Google Scholar