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Showing 1 to 7 of 7 for “"Sol-gel materials"”.
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Raman studies of the nanostructure of sol-gel materials
Four sol-gel systems (alumina, aluminum hydroxide, zirconia, and magnesia) were investigated, primarily by laser spectroscopy, on several series of materials prepared by systematically varying the synthesis procedures. Key material phases analyzed were: (1) nanocrystalline boehmite [AlO(OH)]; (2) …
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Characterisation and optimisation of novel Sol-Gel materials for luminescence-based 02 sensing
… and printability, are important drivers for materials to be used in optical chemical sensors. In recent years, there has been a focus on sol-gel materials for sensor applications due to their excellent optical properties, ease of entrapment of analyte-sensitive dyes and the compatibility of …
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Structure-property behavior of sol-gel derived hybrid materials
… were carried out on a number of different hybrid sol·gel materials. Multifunctional silicon ethoxides were prepared and studied by solid state ²⁹Si NMR and Raman spectroscopy to determine the type of silicate structures formed and the degree of conversion attained by the sol-gel process under …
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Nanoimprinting of Photonic Devices for Visible Light Applications
… as a suitable, flexible, low-cost lithography solution for photonics. The purpose of this work is to research and evaluate novel nanofabrication technologies, materials and device concepts to support and innovate the fields of photonics and nanotechnology. In doing so, different implementations …
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Stimuli responsive polymer gels for sensing applications
… on it by an IL. The IL simplified polymer gel is termed an optode within this chapter as (a) it is prepared the same manner as optodes, (b) the IL performs many of the same functions as previous materials used in optode design and (c) the analyte or ion movement between the aqueous and …
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Planar integrated optical waveguide chemical sensors and novel transducer layer materials
… a very attractive feature. The implementation of sol-gel materials processing in the sensor fabrication proves beneficial to the device performance in many ways. Sol-gels provide the high optical quality materials used in both the waveguiding layer and indicator film overlayers of the planar IOW …
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Novel Optical Materials for Passive Photonic Applications
Advances in photonic materials are critical to the progress of photonic devices and optical systems. Even though a variety of materials, e.g. semiconductors, oxide based glasses, and polymers exist which are being used for numerous applications, there is a growing need to develop and find new …