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Issue 35-36, 2005
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Planar and UV written channel optical waveguides prepared with siloxane–poly(oxyethylene)–zirconia organic–inorganic hybrids. Structure and optical properties

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Abstract

Organic–inorganic hybrids were prepared using ureapropyltriethoxysilane, methacryloxypropyltrimethoxysilane and acrylic acid modified zirconium(IV) n-propoxide precursors and were characterized by small angle X-ray scattering, X-ray diffraction and photoluminescence spectroscopy. The results indicate an effective interaction between the zirconium-based nanoparticles and the siliceous nanodomains that induces changes in the hybrids' emission features. Planar waveguides were obtained by spin-coating of the prepared sols on sodalime and silica substrates. Refractive index, thickness, number of propagating modes, and attenuation coefficient were measured at 543.5, 632.8 and 1550 nm by the prism coupling technique. The synergism between the two hybrid precursors resulted in monomode planar waveguides with low losses in the infrared (from 0.6–1.1 dB cm−1) which also support a number of propagating modes in the visible (losses from 0.4–1.5 dB cm−1). Channel waveguides were also obtained by UV photopatterning using amplitude or phase masks and propagating modes were observed at 1550 nm.

Graphical abstract: Planar and UV written channel optical waveguides prepared with siloxane–poly(oxyethylene)–zirconia organic–inorganic hybrids. Structure and optical properties

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Publication details

The article was received on 11 Apr 2005, accepted on 24 Jun 2005 and first published on 19 Jul 2005


Article type: Paper
DOI: 10.1039/B505081M
Citation: J. Mater. Chem., 2005,15, 3937-3945
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    Planar and UV written channel optical waveguides prepared with siloxane–poly(oxyethylene)–zirconia organic–inorganic hybrids. Structure and optical properties

    C. Molina, P. J. Moreira, R. R. Gonçalves, R. A. Sá Ferreira, Y. Messaddeq, S. J. L. Ribeiro, O. Soppera, A. P. Leite, P. V. S. Marques, V. de Zea Bermudez and L. D. Carlos, J. Mater. Chem., 2005, 15, 3937
    DOI: 10.1039/B505081M

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