Polymer templated production of highly porous cerium oxide in direct temperature driven transformation of cerium(III) salt

• DOI: 10.1016/j.micromeso.2021.111032
• Publication Date: 2021-03-11T06:28:00Z
• Authors: Andrzej Sienkiewicz; Agnieszka Kierys
• Keywords: Cerium oxide; Cerium nitrate; Thermal Stability

Abstract Highly porous (SBET > 160 m2/g) cerium oxide in the form of easy to handle microspheres and particles of micrometric size was produced by the low temperature (300 °C) calcination of Amberlite® XAD7HP microspheres saturated with cerium nitrate solution. The presented synthesis relies on both swelling ability and thermal stability of the polymer template. The final cerium oxide is characterized by SEM, TEM, XRD, XPS and the low temperature N2 sorption method. Additionally, the effect of temperature on the polymer microspheres saturated with cerium nitrate solution was assessed in synthetic air, in conditions resembling the calcination process in the furnace, by means of TG with the simultaneous QMS analysis of the gases evolved during their degradation and also of DSC analysis.