Skip to main content
. 2016 Apr 13;188(0):427–450. doi: 10.1039/c5fd00187k

Table 1. Metal salts used for the SAS precipitations and the physical properties of the resultant perovskites.

Sample B metal salt Precursor solution La : B molar ratio Precipitated La : B molar ratio a Phase composition from XRD Crystallite size (nm) Surface area (g m–2)
LaCrO3 Chromium(iii) acetate b 1 : 1 1 : 1.06 LaCrO3, trace La2CrO6 c 6 52
LaMnO3 Manganese(ii) acetate tetrahydrate 1 : 1.2 1 : 1.03 LaMnO3 (100%) 18 32
LaFeO3 Iron(ii) acetate 1 : 1.4 1 : 0.99 LaFeO3 (85%), La2O3 (9%), Fe2O3 (6%) 21 26
LaCoO3 Cobalt(ii) acetate tetrahydrate 1 : 1.1 1 : 1.05 LaCoO3 (90%), Co3O4 (10%) 22 22
LaNiO3 Nickel(ii) acetate tetrahydrate 1 : 1.1 1 : 1.07 LaNiO3 (90%), La2O3 (8%), NiO (2%) 15 36

aRatios calculated by MPAES.

bChromium acetate prepared in house from potassium chromate and sodium acetate.

cPhase composition of La2CrO6 could not be quantified.