Morphological and Luminescence Study on Eu3+ Doped ZnO Nanoparticle Prepared by Hydrothermal Method

M. Suganthi; Arumugam Chandra Bose

doi:10.4028/www.scientific.net/AMR.585.129

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 585Morphological and Luminescence Study on Eu3+ Doped...

Morphological and Luminescence Study on Eu³⁺ Doped ZnO Nanoparticle Prepared by Hydrothermal Method

Abstract:

Undoped and Eu³⁺doped ZnO nanostructure were successfully grown under hydrothermal method and europium doping concentration were varied as 1, 3 and 5 (at %). All the peaks in the XRD diffraction pattern are assigned to the typical hexagonal wurtzite structure of ZnO. Average crystallite size was calculated from scherrer formula and it indicated an increase in crystallite size with doping concentration. Scanning electron microscopy (SEM) for undoped and 1% doped samples shows spherical shape particles whereas for higher doping concentrations (3 and 5 at %), rod shaped particle are observed. The presence of Eu was confirmed by Energy dispersive X-ray analysis (EDX). Fourier transforms infrared spectroscopy (FT-IR) spectra are used to identify the strong metal oxide (Zn-O) interaction. Ultra violet visible (UV-vis) spectroscopy indicted an absorption peak at 375 nm. Red emission peak in photoluminescence (PL) spectra at 642 nm arises due to intra 4f-5d transition in Eu^3+.

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Advanced Materials Research (Volume 585)

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129-133

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https://doi.org/10.4028/www.scientific.net/AMR.585.129

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November 2012

Authors:

M. Suganthi, Arumugam Chandra Bose

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Crystallinity, Hydrothermal, Luminescence, Nanorod, Strain-Induce Broadening

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