Synthesis of CeO2 nanopowders for Advanced forensic applications: Fabricated CeO2 nanopowders as a novel sensing for advanced forensic, electrochemical and photocatalytic applications - Tapa blanda

Sinopsis

A simple green combustion synthesis route was used to synthesize the CeO2 NPs using T. I. fruit extract as fuel. The structural, optical and catalytic properties of as-formed as well as calcined CeO2 NPs were studied in detail. From PXRD patterns confirmed the cubic phase of prepared CeO2 NPs. The effect of fuel on the crystallite size, energy band gap and PL properties were studied in detail. The prepared CeO2 NPs were agglomerated in nature with large number of surface voids were observed from the scanning electron microscope. The particle size was estimate from TEM results and found to be in the range of 5- 40 nm which was in good agreement with the PXRD results. From the chromaticity diagrams it was noticed that a blue color emission from the prepared samples. Further, modified electrodes by CeO2 NPs exhibits enhanced electrochemical sensing properties and hence can be used to fabricate the electrochemical sensing devices. The CeO2 NPs also showed good photocatalytic activity with respect to variation in pH and catalytic load. The above all results of CeO2 were fruitful in the fabrication of display devices, electrochemical sensing devices as well as a good Photocatalyst.

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