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Title of Journal: Opt Quant Electron

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Abbravation: Optical and Quantum Electronics

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Springer US

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DOI

10.1007/bf00383175

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ISSN

1572-817X

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Synthesis and enhanced effect of vanadium on struc

Authors: R Abaira J El Ghoul F Fabbri A Matoussi L ElMir G Salviati
Publish Date: 2016/02/05
Volume: 48, Issue: 2, Pages: 172-
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Abstract

In this work we have prepared undoped and vanadium doped ZnO nanopowders by sol–gel method The treated powder at 500 °C has an average particle size of 25 nm Pellets have been prepared at sintered temperature of 900 °C in atmospheric furnace The characterization of the obtained pellets has been made by the Xray diffraction the UV–visible spectrophotometer and cathodoluminescence CL The XRD analysis shows that ZnO has hexagonal wurtzite structure with a preferential direction along 101 It has also revealed that grain size and lattice parameters have increased after vanadium doping The optical band gap has been found to increase from 315 to 327 eV as the V content varied from 0 to 10  CL spectra have shown a broad yellow emission at 22 eV and UV emission band around 316 eV Doping with vanadium has enhanced the CL intensity of near band emission

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