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Preparation and characterization of nanoparticles phosphors of ZrO2 by microwave hydrothermal

Grant number: 12/03294-2
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): May 01, 2012
Effective date (End): December 31, 2014
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Inorganic Chemistry
Principal researcher:Ieda Lucia Viana Rosa
Grantee:Francine Aline Tavares
Home Institution: Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil

Abstract

Currently, nanotechnology is attracting great interest in several areas. Phosphors are luminescent materials with great industrial interest due to their extensive range of applications such as LEDs (light-emitting diodes), FEDs (field emission displays), and CRTs (cathode ray tubes), among others. The morphology, crystallinity, size, and distribution of the particles present a direct influence on the luminescent properties of these materials. ZrO2 nanoparticles have interesting optical properties and can be used in a variety of potential technological applications. Taking these facts, this project aimed to synthesize the ZrO2 and ZrO2: Eu+3 materials by microwave-assisted hydrothermal method. This method presents some advantages, such as lower time and temperature as synthesis conditions, as well as providing high rates of nucleation and low rates of growth.(AU)

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