INVESTIGATIONS ON FUNCTIONAL PROPERTIES OF Al0.8EuyLa0.2−yTiO3 (y=0.01−0.04) NANOPARTICLES SYNTHESIZED BY HYDROTHERMAL METHOD

Author:

DASTAGIRI S.1,LAKSHMAIAH M. V.1,MANJUNATH V.2,NALLABALA NANDA KUMAR REDDY3,RAVI N.4,DHANALAKSHMI M.3,KUKKAMBAKAM CHANDRAMOHAN5,KRISHNAIAH KUMMARA VENKATA4ORCID,REDDY VASUDEVA REDDY MINNAM6

Affiliation:

1. Department of Physics, Sri Krishnadevaraya University, Anantapur 515003, AP, India

2. Department of Electronic Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan-si, Gyeongsangbuk-do 38541, Republic of Korea

3. Department of Physics, Madanapalle Institute of Technology and Science, Madanapalle 517325, AP, India

4. Department of Physics, Rajeev Gandhi Memorial College of Engineering and Technology, Nandyal 518501, India

5. Department of Chemistry, Madanapalle Institute of Technology and Science, Madanapalle 517325, AP, India

6. School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea

Abstract

Europium-doped (0.01–0.04) Al[Formula: see text]La[Formula: see text]TiO3 (AELTO) nanoparticles (NPs) series were synthesized using a hydrothermal method. These NPs were investigated for structural, and morphological studies through XRD, FTIR, FESEM and TEM analysis. Scherrer’s formula and Williamson–Hall (W–H) analysis were employed to determine crystallite size and lattice strain. The crystallite size was decreased with an increase in Eu content up to 0.03 wt.%. The surface morphology and percentage of elementals of AELTO NPs were investigated using FESEM with EDX as well as TEM analysis. The vibrational modes of AELTO NPs were attained by employing FTIR spectra. These modes are deferred mainly on chemical composition, crystallinity, morphology and strain of the AELTO NPs. Optical bandgaps of AELTO NPs were calculated and found to be in the range of 3.40–3.37[Formula: see text]eV with the increase of Eu content. These NPs could find potential applications for solid state lighting and down-shifter for solar energy harvesting.

Funder

New Delhi for sanctioning a major research project

DST-SERB-ECRA-Major Research Project

Publisher

World Scientific Pub Co Pte Ltd

Subject

Materials Chemistry,Surfaces, Coatings and Films,Surfaces and Interfaces,Condensed Matter Physics

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