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

S. Dastagiri, M. V. Lakshmaiah, V. Manjunath, Nanda Kumar Reddy Nallabala, N. Ravi, M. Dhanalakshmi, Chandramohan Kukkambakam, Kummara Venkata Krishnaiah and Vasudevaâ Reddyâ Minnam Reddy
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S. Dastagiri: Department of Physics, Sri Krishnadevaraya University, Anantapur 515003, AP, India
M. V. Lakshmaiah: Department of Physics, Sri Krishnadevaraya University, Anantapur 515003, AP, India
V. Manjunath: ��Department of Electronic Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan-si, Gyeongsangbuk-do 38541, Republic of Korea
Nanda Kumar Reddy Nallabala: ��Department of Physics, Madanapalle Institute of Technology and Science, Madanapalle 517325, AP, India
N. Ravi: �Department of Physics, Rajeev Gandhi Memorial College of Engineering and Technology, Nandyal 518501, India
M. Dhanalakshmi: ��Department of Physics, Madanapalle Institute of Technology and Science, Madanapalle 517325, AP, India
Chandramohan Kukkambakam: �Department of Chemistry, Madanapalle Institute of Technology and Science, Madanapalle 517325, AP, India
Kummara Venkata Krishnaiah: �Department of Physics, Rajeev Gandhi Memorial College of Engineering and Technology, Nandyal 518501, India
Vasudevaâ Reddyâ Minnam Reddy: ��School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea

Surface Review and Letters (SRL), 2022, vol. 29, issue 07, 1-8

Abstract: Europium-doped (0.01–0.04) Al0.8La0.2TiO3 (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 3.40–3.37eV with the increase of Eu content. These NPs could find potential applications for solid state lighting and down-shifter for solar energy harvesting.

Keywords: Nanoparticles; hydrothermal method; Eu3+ ion; XRD; FESEM; EDAX; TEM; optical band gap (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1142/S0218625X22500974

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