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"Development of Red persistent luminescent Rare earth niobate doped with Pr3+"

Grant number: 23/09213-9
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): September 01, 2023
Effective date (End): August 31, 2024
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Inorganic Chemistry
Principal Investigator:Rogéria Rocha Gonçalves
Grantee:Daniela Caroline Silva
Host Institution: Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto (FFCLRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil
Associated research grant:21/08111-2 - Development of rare earth based light converters: luminescent markers, optical sensors, and amplifiers, AP.TEM

Abstract

This work is based on the synthesis and study of properties of luminescent particles in the visible region based on rare earth niobate doped with Pr3+ ions and alkaline earth ions, which are potential candidate for persistent luminescence. Alternative routes of synthesis will be proposed involving mainly sol gel process. The structural and luminescent properties will be performed using spectroscopic methods, X-ray diffraction and electron microscopy. Their luminescence properties will be evaluated. The challenge here is focused on the development of efficient persistent luminescent materials through a better understanding of the storage mechanisms involved. This project will involve collaboration between Mater Lumen and Photonic Materials Laboratories.

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