Nano Archive

SYNTHESIS & CHARACTERIZATION OF SILICON HYBRID NANO COMPOSITES CONTAINING NONLINEAR OPTICAL DYES

Aghili, Y. and Mohseni, M. and Mohajerani, E. and Shirvani, H. R. and Moradian, S. and Khosravi, A. R. (2009) SYNTHESIS & CHARACTERIZATION OF SILICON HYBRID NANO COMPOSITES CONTAINING NONLINEAR OPTICAL DYES. CAOL 2008: PROCEEDINGS OF THE 4TH INTERNATIONAL CONFERENCE ON ADVANCED OPTOELECTRONICS AND LASERS . pp. 127-130.

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Abstract

A stable guest-host system was prepared to improve the nonlinear optical (NLO) effects as well as the mechanical and morphological properties of the polymeric host matrices. A hybrid orgainc-inorganic nano composite synthesized via the sol-gel process in our previous work and Disperse Red 1 (DR 1) was utilized as the host and the guest, respectively. Thin films were deposited on glass slides using a dip-coater rig. Dichroism measurements were carried out to gain information on the aggregation of the dye molecules and also the orientation mechanisms. In addition, birefringence studies were performed to determine the desired variations of the refractive indices. The diagrams analyses were especially focused on the changing tendency of three parameters in different samples; the signal level, the rise time and the fall time.

Item Type:Article
Subjects:Physical Science > Nanophysics
Physical Science > Nano objects
Material Science > Nanochemistry
Material Science > Nanostructured materials
Divisions:Faculty of Engineering, Science and Mathematics > School of Physics
Faculty of Engineering, Science and Mathematics > School of Chemistry
ID Code:7336
Deposited By:JNCASR
Deposited On:04 Nov 2009 07:48
Last Modified:12 Nov 2009 16:17

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