Structural investigation of ormosils with potential as host photonic materials

Class II ormosils in the systems: methyl, propyl, vinyl and phenyl silicates have been structurally investigated for their suitability as photonic materials and this paper is a precis of many data. From visible and near-infrared spectroscopy these ormosils have: (i) intrinsic optical windows in the...

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Bibliographic Details
Published inJournal of sol-gel science and technology Vol. 8; no. 1-3; pp. 139 - 145
Main Authors Ou, D. L., Seddon, A. B.
Format Journal Article
LanguageEnglish
Published New York Springer Nature B.V 01.02.1997
Subjects
Infrared spectra
Near infrared radiation
NMR
Nuclear magnetic resonance
Photonics
Silicates
Spectrum analysis
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ISSN0928-0707
1573-4846
DOI10.1007/BF02436831

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Summary:Class II ormosils in the systems: methyl, propyl, vinyl and phenyl silicates have been structurally investigated for their suitability as photonic materials and this paper is a precis of many data. From visible and near-infrared spectroscopy these ormosils have: (i) intrinsic optical windows in the visible and at 1.06, 1.3 and 1.55 μm and (ii) low residual water, despite being synthesised at only 60°C. The residual water can be expelled under vacuum. Solid state29Si nuclear magnetic resonance spectroscopy shows that matrix condensation increases as the organic content of the matrix is increased; this is accompanied by a decrease in BET surface area.
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ISSN:0928-0707
1573-4846
DOI:10.1007/BF02436831