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首页> 外文期刊>journal of the korean ceramic society >Photoluminescence and photocatalytic studies of rice water and papaya fruit extract-encapsulated cadmium sulfide nanoparticles
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Photoluminescence and photocatalytic studies of rice water and papaya fruit extract-encapsulated cadmium sulfide nanoparticles

机译：Photoluminescence and photocatalytic studies of rice water and papaya fruit extract-encapsulated cadmium sulfide nanoparticles

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摘要

Natural extracts can act as potential sources for the synthesis of nanoparticles in non-hazardous ways. The stabilization of nanoparticles can be done by any sufficiently large, quasi-polar, organic molecule. In the present study, cadmium sulfide nanoparticles (CdSNPs) encapsulated by natural extract have been synthesized via green chemical reduction route that uses natural stabilizers such as rice water, papaya fruit extracts and precursors such as cadmium chloride, cadmium nitrate, and cadmium sulfate. Different experimental techniques such as X-ray Diffraction (XRD), UV Visible Absorption Spectroscopy, Fourier Transform Infrared Spectroscopy (FTIR), Scanning Electron Microscopy (SEM), Energy-Dispersive Spectroscopy (EDS), Small Angle X-ray Spectroscopy (SAXS), and Transmission Electron Microscopy (TEM) are used to confirm that the as-prepared samples contain cubic crystalline CdSNPs with average size less than 20 nm and a thin natural molecule layer developed on their surface. The luminescence properties of as-prepared CdSNPs are studied through photoluminescence measurements. The photoluminescence spectra of the CdSNPs have exhibited one broad peak along with shoulders on either side of it. Cadmium sulfide nanomaterials that belong to the II-VI group are known for their photocatalytic applications due to their efficient physical properties along with wide bandgap energy. Further, the as-prepared CdSNPs have exhibited their potentiality in degrading Methylene Blue (MB), and Rhodamine B (RhB) which can be attributed to their mixed phase.

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