Eu-Doped BaTiO3 powder and film from sol-gel process with polyvinylpyrrolidone additive

Abstract

Transparent BaTiO3:Eu3+ films were prepared via a sol-gel method and dip-coating technique, using barium acetate, titanium butoxide, and polyvinylpyrrolidone (PVP) as modifier viscosity. BaTiO 3:Eu3+ films ∼500 nm thick, crystallized after thermal treatment at 700°C. The powders revealed spherical and rod shape morphology. The optical quality of films showed a predominant band at 615 nm under 250 nm excitation. A preliminary luminescent test provided the properties of the Eu3+ doped BaTiO3. © 2009 by the authors; licensee Molecular Diversity Preservation International.