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Investigation of structural, morphologic and photoluminescent properties of (Bi2-xEux)MoO6 samples irradiated by femtosecond laser

Grant number: 20/01438-3
Support type:Scholarships abroad - Research Internship - Scientific Initiation
Effective date (Start): April 01, 2020
Effective date (End): June 30, 2020
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Physical-Chemistry
Principal researcher:Ieda Lucia Viana Rosa
Grantee:Fabio Augusto Pires
Supervisor abroad: Juan Manoel Andrés Bort
Home Institution: Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil
Research place: Universitat Jaume I, Spain  
Associated to the scholarship:18/09530-6 - Synthesis and structural, morphological and photoluminescent studies of pure and Eu3+ doped bismuth molybdates, BP.IC

Abstract

The orthorhombic crystals of (Bi2-xEux)MoO6 prepared by microwave-assisted hydrothermal method presented, according to results obtained from the project linked to this proposal, structural, morphological and photoluminescent properties that set them as good candidates for potential use in phosphors and electro-optics devices, using a fast, simple and efficient experimental procedure for preparation of inorganic materials. There is also great interest over the behavior of mentioned properties when the material is subjected to femtosecond laser irradiation, since this type of radiation is able to alter the growth mechanism of nanoparticles, induce creation of periodic surface structures and/or generate structural deformations in the material, being very useful tool for the development of functional materials that present new applications and superior characteristics to the already existing non-irradiated compounds. This project aims to investigate the structural, morphological and photoluminescent properties of both pure and Eu3+ doped irradiated crystals of Bismuth Molybdate prepared by hydrothermal microwave-assisted method. The irradiated samples will be investigated by X-ray diffraction, scanning electron microscopy, micro-Raman spectroscopy, UV-vis spectroscopy and photoluminescence measurements. Femtosecond laser irradiation will be used as a tool to elucidate the possible growth phenomena of metallic nanoparticles and their influence on the properties of the materials. (AU)

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