Hydrogen interaction with Pd/Ce0.8Zr0.2O2 nanocomposites prepared by microemulsion, coprecipitation and supercritical CO2 treatment

Nanostructured Ce1−Zr O2 solid solutions produced by mechanochemical processing

“…A variety of techniques have been reported for the production of ceria-zirconia solid solutions, such as high temperature solid-state reaction [10], high energy ball milling [11e13], precipitation [14], microwave [15], thermal decomposition of precursors [16], microemulsion [17], surfactant-assisted route [18], etc. However, several of these synthesis procedures are energy intensive, produce large amounts of waste, are time-consuming and expensive, mainly when high surface area and small particle size are desired.…”

Synthesis of morphology controlled SnO2 and its oxygen storage capacity

“…The OSC of the samples changed depending on the specific surface area in the order porous SnO 2 particles > aggregates of SnO 2 nanoparticles > hollow structured SnO 2 particles, where the porous SnO 2 particles showed the OSC superior to commercial CeO 2 . The excellent OSC of the porous SnO 2 particles should be related to its small crystalline particles, large specific surface areas [24][25][26] and the valence change of tin between Sn 4+ and Sn 2+ . The crystal lattice might be extremely distorted in small crystalline particles, here with oxygen release and storage progressed more easily.…”

“…It is accepted that the specific surface area is one of the key factors affecting the OSC value [24][25][26] . Compared with those with hollow structure and aggregates of SnO 2 particles, the porous SnO 2 particles exhibited the highest specific surface area (see Fig.…”

Catalytic behavior of Ru supported on Ce0.8Zr0.2O2 for hydrogen production

“…In the former, a mixture of Ce(NO 3 ) 3 ·6H 2 O (Aldrich 99.99%) and ZrO(NO 3 ) 2 ·xH 2 O (Aldrich, 99.99%) aqueous solutions was added dropwise to an ammonia solution. Cerium oxidation was completed by adding H 2 O 2 (30% v/v) and the obtained solution was kept under vigorous stirring for 0.5 h. The product was filtered, suspended in isopropanol and stirred under reflux for 6 h [51].…”