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Glycine Capped SnO2 Nanoparticles: Synthesis, Photophysical Properties and Photodegradation Efficiency

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Here we report on a simple, time efficient, and environmentally friendly Microwave-assisted approach towards the synthesis of glycine (GLY) capped SnO2 nanoparticles. Highly monodispersed [email protected]2 nanocrystals were obtained within 50 s of microwave irradiation. The structure of [email protected]2 investigated by X-ray diffraction (XRD), transmission electron microscopy (TEM), and FT-IR spectroscopy. The average size of SnO2 was calculated to be 5.5 nm by different spectroscopic techniques such as XRD and TEM. Photophysical properties of [email protected]2 NPs were explored by UV-visible, and fluorescence spectroscopy. The NPs exhibit the characteristic emission peaks for both GLY and the pristine SnO2 NPs. The synthesized nanoparticles were used in photocatalytic degradation of Nile blue (NB) dye. The photocatalytic degradation attributed to the separation of the photogenerated holes and electrons. In addition, the excited state quenching mechanism of the NB by SnO2 NPs was investigated. The quenching mechanism occurs by the formation of ground state complex formation.
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Document Type: Short Communication

Publication date: March 1, 2017

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  • Nanoscience and Nanotechnology Letters (NNL) is a multidisciplinary peer-reviewed journal consolidating nanoscale research activities in all disciplines of science, engineering and medicine into a single and unique reference source. NNL provides the means for scientists, engineers, medical experts and technocrats to publish original short research articles as communications/letters of important new scientific and technological findings, encompassing the fundamental and applied research in all disciplines of the physical sciences, engineering and medicine.
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