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Study of composites prepared using lanthanum fluoride nanoparticles.

Grant number: 13/13621-3
Support type:Scholarships in Brazil - Master
Effective date (Start): October 01, 2013
Effective date (End): August 31, 2015
Field of knowledge:Engineering - Materials and Metallurgical Engineering - Nonmetallic Materials
Principal researcher:Laura Oliveira Péres Philadelphi
Grantee:Henrique de Lima Secco
Home Institution: Instituto de Ciências Ambientais, Químicas e Farmacêuticas (ICAQF). Universidade Federal de São Paulo (UNIFESP). Campus Diadema. Diadema , SP, Brazil

Abstract

This project consists on the synthesis and characterization of lanthanum fluoride nanoparticles via precipitation method using ammonium fluoride (NH4F) and lanthanum nitrate (La(NO3)3.6H2O) as reactants. The surface of the nanoparticles will be modified during the synthesis to obtain a core-shell conformation. This will reduce the formation of aggregates, facilitating the homogeneous incorporation of these nanoparticles in polymeric matrixes. The formation of homogeneous films will allow the coating of other materials used in applications related to radiological protection. Therefore, these nanoparticles will be dispersed in nitrile rubber (NBR) to prepare a composite that will be characterized by several techniques, including its capacity of X ray attenuation.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
SECCO, HENRIQUE DE L.; FERREIRA, FABIO F.; PERES, LAURA O.. Simple preparation of fluorescent composite films based on cerium and europium doped LaF3 nanoparticles. Journal of Solid State Chemistry, v. 259, p. 43-47, . (08/57706-4, 13/13621-3)

Please report errors in scientific publications list by writing to: cdi@fapesp.br.