Supported LaMnOx on various oxide supports were synthesized by in situ citrate sol-gel method.
The formation of perovskite structure was confirmed on TiO2 and YSZ, but no observation on Al2O3 and CeO2.
The loading of LaMnOx oxides significantly improved the catalytic performances of oxide supports.
The main parameters of reducibility, acidity and surface adsorbed oxygen had an important role.