Eman H. Ahmed, Ahmed I. Hashem, Matthias Adlung, Claudia Wickleder, Magdy M. H Ayoub, Inas K. Battisha, Amal Amin
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Tailoring Chitosan Nanocomposites for Planar Optical Waveguide Applications
An integrated photonic chitosan optical sensor was obtained via preparation of chitosan-based silica-phosphate nano-composites doped with 1 mol % of Er3+ ions using sol gel technique. The prepared nano-composites were investigated by using the Fourier transform infrared (FTIR) and the X-ray diffraction (XRD). The morphology of the prepared nano-composites was determined by field emission scanning electron microscopy (FESEM) and high-resolution transmission electron microscopy (HRTEM). The near infrared (NIR) luminescence spectra results indicated the presence of 4I13/2 → 4I15/2 transition for Er3+ ions at about 1.54 µm confirming that the chitosan-based silica-phosphate/Er3+ nano-composites are promising candidates for planar wave guide applications in the NIR region.
期刊介绍：
Polymer Science, Series A is a journal published in collaboration with the Russian Academy of Sciences. Series A includes experimental and theoretical papers and reviews devoted to physicochemical studies of the structure and properties of polymers (6 issues a year). All journal series present original papers and reviews covering all fundamental aspects of macromolecular science. Contributions should be of marked novelty and interest for a broad readership. Articles may be written in English or Russian regardless of country and nationality of authors. All manuscripts are peer reviewed. Online submission via Internet to the Series A, B, and C is available at http://polymsci.ru.
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