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Plasmonic nanostructure with very high localized LSPR sensitivity around 1310 nm and 1550 nm communication wavelengths.

Nanowires and microfibers of silver have been synthesized by the interaction of silver nitrate (AgNO3) and starch employing hydrothermal route in an autoclave at 170 °C for 24 h. Different mor- phological modifications, e.g., microrods and spheres to microrods/wires and nanoparticles through microwire bundles to microfibers, are obtained by varying reactant concentrations.

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A simple solution phase approach is described to prepare tellurium nanorods which undergo morphological modifications to yield different microstructures under varied experimental conditions. The morphology of the prepared products is drastically altered in presence of a few oxidizing agents such as sodium oxychloride (NaOCl), hydrogen peroxide (H2O2) etc. The effects of poly (sodium 4-styrene sulphonate) (PSS) and Isooctyl phenoxy poly oxyethanol (TritonX-100) on the size and shape of the products in presence of air/NaOCl have also been monitored.