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http://hdl.handle.net/10773/19865
Title: | Highly stable plastic optical fibre amplifiers containing [Eu(btfa)(3)(MeOH)(bpeta)]: A luminophore able to drive the synthesis of polyisocyanates |
Author: | Fabbri, P. Poor, S. Mohammad Ferrari, L. Rovati, L. Borsacchi, S. Geppi, M. Lima, P. P. Carlos, L. D. |
Keywords: | POLY(METHYL METHACRYLATE) CYCLOTRIMERIZATION ISOCYANATES COMPLEXES POLYMERS KINETICS OXIDE ND3+ ION |
Issue Date: | 2014 |
Publisher: | ELSEVIER SCI LTD |
Abstract: | The rare-earth metal organic chelate [Eu(btfa)(3)(MeOH)(bpeta)] (btfa, 4,4,4-trifluoro-1-phenyl-1,3-butanedionate; bpeta, 1,2-bis(4-pyridyl)ethane) has been used to dope a plastic optical fibre (POF) prepared by the bulk homopolymerization of hexamethylene diisocyanate (HMDI) catalysed by Tin(II)-2 ethylhexanoate (SnOct), to obtain a plastic optical fibre amplifier (POFA). The Eu3+ chelate, primarily added as luminophore for the amplification of the optical signal, showed an interesting co-catalytic activity in the polymerization of HMDI, that preferentially proceeded towards the formation of the highly stable polyisocyanurate trimer form thanks to its selective driving action, as demonstrated by C-13 solid-state NMR. Pumping of the POFA with xenon lamps demonstrated the occurrence of stimulated emission inside the doped fibre. (C) 2013 Elsevier Ltd. All rights reserved. |
Peer review: | yes |
URI: | http://hdl.handle.net/10773/19865 |
DOI: | 10.1016/j.polymer.2013.12.043 |
ISSN: | 0032-3861 |
Publisher Version: | 10.1016/j.polymer.2013.12.043 |
Appears in Collections: | CICECO - Artigos |
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