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Proceedings Paper

3-(glicydoxypropyl)-trymethoxysilane-based matrices tailored for optical limiting applications
Author(s): Giovanna Brusatin; Plinio Innocenzi; Massimo Guglielmi; Renato Bozio; Moreno Meneghetti; Raffaella Signorini; Michele Maggini; Gianfranco Scorrano; Maurizio Prato
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Paper Abstract

A hybrid organic-inorganic material derived 3- (glycidoxypropyl)-trimethoxysilane (GPTMS) and fullerene derivatives has been developed for optical limiting applications. The control of the final material has been achieved by engineering the matrix-fullerene solid-state system. Different Lewis acids (Zr(OBut)4, Ti(OBut)4, BF3, SiCl4, and TiCl4) have been used as the catalysts of the epoxy ring opening of (GPTMS) and the polyethylene oxide formation, in three different syntheses, to control and optimize the matrix- fullerene interaction and the optical limiting properties. The microstructure of the hybrid matrix has been studied by Fourier Transform Infra-Red Spectroscopy. UV-vis spectra and optical limiting measurements of the doped materials showed that in the Zr(OBut)4, TiCl4, BF3 derived matrices clustering of fulleropyrrolidine molecules is avoided and optical limiting is obtained. In the Ti(OBut)4, SiCl4, and not epoxy catalyzed derived matrices, instead, the aggregation of fulleropyrrolidines degraded the optical limiting properties. The laser damage threshold in the Zr(OBut)4, TiCl4 and especially BF3 derived matrices was larger than in the other matrices. Moreover, a multilayer system has been fabricated to develop an optical limiting device.

Paper Details

Date Published: 27 October 1999
PDF: 8 pages
Proc. SPIE 3803, Materials and Devices for Photonic Circuits, (27 October 1999); doi: 10.1117/12.366748
Show Author Affiliations
Giovanna Brusatin, Univ. degli Studi di Padova (Italy)
Plinio Innocenzi, Univ. degli Studi di Padova (Italy)
Massimo Guglielmi, Univ. degli Studi di Padova (Italy)
Renato Bozio, Univ. degli Studi di Padova (Italy)
Moreno Meneghetti, Univ. degli Studi di Padova (Italy)
Raffaella Signorini, Univ. degli Studi di Padova (Italy)
Michele Maggini, Univ. degli Studi di Padova (Italy)
Gianfranco Scorrano, Univ. degli Studi di Padova (Italy)
Maurizio Prato, Univ. degli Studi di Trieste (Italy)


Published in SPIE Proceedings Vol. 3803:
Materials and Devices for Photonic Circuits
Mario Nicola Armenise; Walter Pecorella; Liliane G. Hubert-Pfalzgraf; S. Iraj Najafi, Editor(s)

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