Effect of the Fuels Glycine, Urea and Citric Acid on Synthesis of the Ceramic Pigment ZnCr2O4 by Solution Combustion
AUTOR(ES)
Miranda, Edgar Andrés Chavarriaga, Carvajal, Juan Fernando Montoya, Baena, Oscar Jaime Restrepo
FONTE
Mat. Res.
DATA DE PUBLICAÇÃO
2015-10
RESUMO
AbstractIn this study, ceramic nanopigment ZnCr2O4was prepared by solution combustion using glycine, urea and citric acid as fuels. The objective is to study the influence of fuel on the morphology and the diffuse reflectance spectrum. The nanoparticles were characterized by field emission scanning electron microscopy (FESEM), the phase was investigated by X-ray diffraction (XRD), the thermal behavior was studied by thermogravimetry analysis (TGA) and differential scanning microscopy (DSC), the color was determined by diffuse reflectance spectroscopy and CIE L*a*b* colorimetric analysis. The average crystallite sizes obtained were 18.40 nm, 42.05 nm, and 18.69 nm when are used glycine, urea, and citric acid, respectively. Finally, the effect of fuel in the diffuse reflectance showed that the scattering of the light by the particles depend of the morphology. Also, the nanopigment was obtained by solution combustion at lower temperature than solid state reaction and it could be used in digital decoration.
Documentos Relacionados
- Caracterização do pigmento de ZnCr2O4 sintetizado pelo método dos precursores poliméricos
- Synthesis of delafossite CuCrO2 via solution combustion method and its acid functionalization for biodiesel production
- ZnO prepared by solution combustion synthesis: characterization and application as photoanode
- Effect of Urea Excess on the Properties of the MgAl2O4 Obtained by Microwave-Assisted Combustion
- Photoelectroactivity of bismuth vanadate prepared by combustion synthesis: effect of different fuels and surfactants