Abstract
Highly luminescent Copper doped CdS nanorods were prepared by modified sol-gel method. The sol was prepared by continuous stirring of mixture of ethylene glycol, ethanol and acetic acid with Cadmium chloride (CdCl2) and thiourea as the precursors of Cd and S respectively at 50 °C temperature for 3 h. For Cu doping cuprous chloride was added slowly. Fine green and blue colored particles were obtained. The samples were analyzed by XRD, SEM, optical transmission and photoluminescence studies. Broad peak of (101) is observed in X-ray diffractograms for undoped CdS. Intensity of this peak increases with increase in copper (Cu) doping. In SEM, large number of islands is observed in undoped CdS. On doping with copper these islands grow as more and more particles bind together. Undoped structures are generally spherical with uniform size and start to reassemble in ordered rodlike structure on increase in doping.
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Acknowledgments
The authors are thankful to Wadia Institute of Himalyan Geology, Dehraudun India for providing XRD, SEM and PL, UV facility for P C Ray research centre, ITM University Gwalior for providing Optical and photoluminescence facilities.
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Kumar, N., Kumar, V., Purohit, L.P., Goswami, Y.C. (2015). Growth of Green and Blue Luminescent Cu Doped CdS Nanorods and Their Optical Structural Characterization. In: Lakshminarayanan, V., Bhattacharya, I. (eds) Advances in Optical Science and Engineering. Springer Proceedings in Physics, vol 166. Springer, New Delhi. https://doi.org/10.1007/978-81-322-2367-2_44
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DOI: https://doi.org/10.1007/978-81-322-2367-2_44
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