Writers: André E. Nogueira, Elson Longo, Edson R. Leite, Emerson R. Camargo Keywords: Bismuth titanate, Photocatalyst, OPM route Abstract: Bismuth titanate (Bi4Ti3O12 and Bi12TiO20) powders were synthesized by the Oxidant Peroxide Method (OPM), and the effect of temperatures […]
Writers: C. A. Oliveira, E. Longo, M. A. Zaghete, W. Sakamoto, G. C. Fuzzari Keywords: PZT; composite; PVDF; PAni; polymer precursor method Abstract: This work presents the preparation and characterization of PZT ceramic obtained by the polymeric […]
Writers: Adriane V. Rosario, Ernesto C. Pereira Keywords: TiO2; Photocatalysis; Polymeric precursor method; Pechini method; Pt doping Abstract: Platinum-loaded titanium oxide nanoparticles, Pt-TiO2, were prepared using the polymeric precursor method with titanium isopropoxide as metal precursor. Platinum ions […]
Writers: LEITE, Ilaiáli Souza; LOURENCO, Ariane Baffa; LICIO, José Guilherme and HERNANDES, Antonio Carlos. Keywords: nanoscience and nanotechnology; high school education; method of Cooperative Learning Jigsaw Abstract: In our days, the effects which are studied […]
Writers: K.F. Moura, J. Maula, A.R. Albuquerque, G.P. Casalia, E. Longo, D. Keysona, A.G. Souza, J.R. Sambrano, I.M.G. Santos Keywords: TiO2; Nanoparticles; Microwave solvothermal synthesis; Computational periodic model; B3LYP-D Abstract: In this study, a microwave assisted solvothermal method […]
Writers: Francisco W. P. Ribeiro, Sâmeque do N. Oliveira, Pedro de Lima-Neto e Adriana N. Correia, Lúcia H. Mascaro, Roberto de Matos, Ernesto C. P. de Souza, Marcos R. de V. Lanza Keywords: Ponceau 2R; DSA; Ti/Pt. Abstract: This paper […]
Writers: Bartolomeu C. Viana; Juliana Sousa Gonçalves; Valdemir dos Santos; Maria Rita de M. C. Santos; Elson Longo; Francisco E. P. Santos; and José Milton Elias de Matos Keywords: anatase; nanoparticles; solvothermal method; H2O2; Raman […]
Writers: Fauze A. Aouadaa, Luiz H.C. Mattoso, Elson Longo Keywords: Spectroscopic properties; Contact angles; Water absorption; FEG-SEM; Thermoplastic starch bionanocomposites Abstract: In this work, thermoplastic starch (TPS)–clay bionanocomposites were obtained by an innovative methodology using a combination of methodologies commonly used in […]
Writers: Thomas Wood, Judikaël Le Rouzo, François Flory, Paul Coudray, Valmor Roberto Mastelaro, Pedro Pelissari, Sergio Zilio Keywords: sensor; gas; method Abstract: Two optical techniques, m-lines and spectroscopic ellipsometry, are compared for their suitability for obtaining the […]
Writers: M. A. Ramırez, R. Tararam, A. Z. Simoes, A. Ries, E. Longo, J. A. Varela Keywords: Varistors; Microscopy; method Abstract: The degradation phenomena of ZnO and SnO2-based varistors were investigated for two different degradation methods: DC voltage at increased […]
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