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Optical Limiting Devices Based on C60 Derivatives in Sol-Gel Hybrid Organic-Inorganic Materials |
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| Authors: | Innocenzi Plinio Brusatin Giovanna Guglielmi Massimo Signorini Raffaella Meneghetti Moreno Bozio Renato Maggini Michele Scorrano Gianfranco Prato Maurizio |
| Institution: | (1) Dipartimento di Ingegneria Meccanica, settore materiali, Università di Padova, via Marzolo 9, 35131 Padova, Italy;(2) Dipartimento di Chimica Fisica, Università di Padova, via Loredan 1, 35131 Padova, Italy;(3) Centro Meccanismi di Reazioni Organiche del CNR, Dipartimento di Chimica Organica, via Marzolo 1, Università di Padova, 35131 Padova, Italy;(4) Dipartimento di Scienze Farmaceutiche, Università di Trieste, Piazzale Europa 1, 34127 Trieste, Italy |
| Abstract: | A guest-host solid state device based on hybrid organic-inorganic materials and fullerene derivatives has been fabricated for optical limiting applications. Different 3-glycidoxypropyltrimethoxysilane derived hybrid matrices have been synthesized to increase the optical limiting performances. These matrices have shown high laser damage fluences, low light scattering, good transmittance in the visible range and allowed to deposit 10–100  m thick films per single layer. The C60 derivatives have been functionalized with Si tri-alkoxide terminal groups and have reached a final concentration in the solid matrix up to 2 × 10–2 M·l–1. A multilayer system with a bottleneck structure has been developed to optimize a laser protection device. |
| Keywords: | hybrid materials 3-glycidoxypropyltrimethoxysilane fullerene derivatives optical limiting |
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