Structural, Optical studies of Pure and Sn doped Lanthanum oxide nano particles

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ISSN: 2349-6002 ESTD Year: 2014

UGC approved journal no 47859

Structural, Optical studies of Pure and Sn doped Lanthanum oxide nano particles
Author(s):
SURESH KUMAR K, A.Mohamed Hidayathullah, Dhanalakshmi C, Juvin Paula A
Keywords:
Dopant, Hexagonal, Nanoparticles, Porosity, Sol-gel
Abstract
Pure and Sn doped Lanthanum oxide nanoparticles were synthesized using sol-gel technique. The average crystallite sizes of pure and Sn doped lanthanum oxide is found to be 26 nm. The powder X-ray diffraction studies shows that all samples have single phase hexagonal structure. The Fourier Transform-Infrared Spectroscopy (FT-IR) study fairly agrees with the powder XRD results. From Scanning Electron Microscope (SEM) images, it is clearly seen that a uniform smooth surfaced hexagonal with high porosity structures. The UV-vis Diffuse Reflectance Spectroscopy study confirms the absorption edge shift towards the lower wavelength region with the increase in Sn- concentration in Lanthanum oxide. The Photoluminescence (PL) spectroscopy study indicates the maximum emissive power for Sn doped lanthanum oxide at 358 nm with strong intensity peak.
Article Details
Unique Paper ID: 153439 Publication Volume & Issue: Volume 8, Issue 7 Page(s): 206 - 210
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