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15. CYCLE TIME REDUCTION OF GRINDING PROCESS USING SIX SIGMA METHODOLOGY
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Many Paper are in Publishing Process….
Study of the Structural, Morphological, Vibrational & Optical Properties of Synthesized Eu3+-Doped CdS Nanocrystals
Authors- Sanjay Kumar Dubey, A. K. Jaiswal
Abstract-Here, we have reported that the structural, morphological, vibrational & Optical properties of the synthesized CdS: Eu3+ nanocrystals. X-ray diffraction (XRD), Scanning electron microscope (SEM), Photoluminescence (PL) and Fourier transform infrared spectroscope (FTIR) studies have been done on all these samples. XRD patterns have clearly shown the cubic phase structure is present. The crystallite sizes of these nanoparticles were calculated using the Scherrer’s equation and our estimated average crystallite size is 6.5 nm. The size of particle determined from the TEM image is close to the calculated value from XRD. In FESEM, Average particle size is found 7.5 nm. The role of dopant concentration of CdS: Eu3+ nanocrystals and their photoluminescence properties are well investigated. It is found that photoluminescence properties are sensitive to the crystal structure which is controlled by dopant concentration. The emission intensity of the peak at 617 nm (5D0-7F2) of the Eu3+-ions is found to be sensitive to the doping of CdS nanocrystals. Our analysis suggests that site symmetry of ions plays a very important role in the modifications of radiative and nonradiative relaxation mechanisms. In this present article, X-ray diffraction (XRD), Scanning electron microscope (SEM), High Resolution Transmission Electron Microscope (HRTEM), Photoluminescence (PL) and Fourier transform infrared spectroscopy (FTIR) properties have been investigated in detail.
DOI: /10.61463/ijset.vol.2.issue5.203
