Characterization of PbZrO_3 prepared using an alkoxide-based sol-gel synthesis route with different hydrolysis conditions

摘要

PbZrO_3 precursor powders were prepared from lead acetate and zirconium n-butoxide in n-butanol and hydrolysed with R_w (molar ratio of water/lead acetate) = 2 and 15 at different pH values. Upon heating the organic groups were removed in two steps for the precursor prepared at R_w = 2, and in one step at R_w = 15. The perovskite phase crystallizes at approximately 700 deg C, irrespective of the hydrolysis conditions.