3-(glicydoxypropyl)-trymethoxysilane-based matrices tailored for optical limiting applications

Giovanna Brusatin; Plinio Innocenzi; Massimo Guglielmi; Renato Bozio; Moreno Meneghetti; Raffaella Signorini; Michele Maggini; Gianfranco Scorrano; Maurizio Prato

doi:10.1117/12.366748

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27 October 1999 γ(glicydoxypropyl)-trymethoxysilane-based matrices tailored for optical limiting applications

Giovanna Brusatin, Plinio Innocenzi, Massimo Guglielmi, Renato Bozio, Moreno Meneghetti, Raffaella Signorini, Michele Maggini, Gianfranco Scorrano, Maurizio Prato

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Proceedings Volume 3803, Materials and Devices for Photonic Circuits; (1999) https://doi.org/10.1117/12.366748
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

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(OBu^t)₄, Ti(OBu^t)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(OBu^t)₄, TiCl₄, BF₃ derived matrices clustering of fulleropyrrolidine molecules is avoided and optical limiting is obtained. In the Ti(OBu^t)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(OBu^t)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.

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Giovanna Brusatin, Plinio Innocenzi, Massimo Guglielmi, Renato Bozio, Moreno Meneghetti, Raffaella Signorini, Michele Maggini, Gianfranco Scorrano, and Maurizio Prato "γ(glicydoxypropyl)-trymethoxysilane-based matrices tailored for optical limiting applications", Proc. SPIE 3803, Materials and Devices for Photonic Circuits, (27 October 1999); https://doi.org/10.1117/12.366748

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