Publications by authors named "Maria do Carmo Rangel"

Article Synopsis
  • Cerium-containing oxides, particularly ceria, can store and release oxygen depending on environmental conditions, and this behavior is heightened in nano-sized forms due to surface interactions.
  • The study utilized an evaporation-induced self-assembly method to create mixed oxide materials with ceria nanoclusters on mesoporous alumina, showing a reversible reduction of Ce4+ to Ce3+ at 400 °C for specific ceria loadings.
  • Various analytical techniques were employed to understand this redox behavior, revealing that structural disorder in ceria and alumina promotes the formation of a non-crystallized CeAlO3 phase at their interface.
View Article and Find Full Text PDF