Sol–gel synthesis and characterization of Fe2O3 · CeO2 doped with Pr ceramic pigments

Undoped x · α-Fe 2 O 3 y · CeO 2 and doped with praseodymium ceramic pigments were obtained by the sol–gel method after heat treatment at 800 °C for 2 h. These pigments were characterized by XRD, nitrogen adsorption, scanning electron microscopy, ultraviolet-visible absorption spectroscopy and col...

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Veröffentlicht in:	Journal of sol-gel science and technology 2008-07, Vol.47 (1), p.38-43
Hauptverfasser:	Nunes, M. G. B., Cavalcante, L. S., Santos, V., Sczancoski, J. C., Santos, M. R. M. C., Santos-Júnior, L. S., Longo, E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Ceramics Cerium oxides Chemistry Chemistry and Materials Science Colloidal gels. Colloidal sols Colloidal state and disperse state Colorimetry Composites Exact sciences and technology General and physical chemistry Glass Heat treatment Inorganic Chemistry Materials Science Nanotechnology Natural Materials Optical and Electronic Materials Original Paper Pigments Praseodymium Scanning electron microscopy Sol-gel processes
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Beschreibung
Zusammenfassung:	Undoped x · α-Fe 2 O 3 y · CeO 2 and doped with praseodymium ceramic pigments were obtained by the sol–gel method after heat treatment at 800 °C for 2 h. These pigments were characterized by XRD, nitrogen adsorption, scanning electron microscopy, ultraviolet-visible absorption spectroscopy and colorimetrical measurements. Red and brown colors with several tonalities were observed after changes with Ce and Pr concentration.
ISSN:	0928-0707 1573-4846
DOI:	10.1007/s10971-008-1751-y