摘要
The oxygen storage material (OSM) Ce0.35Zr0.55Y0.1O1.95 was prepared by co-precipitation routine and studied by means of TEM, XRD, XPS, BET, H2-TPR and oxygen storage capacity (OSC) measurements. The results indicated that this material possessed plenty of Ce3+ and lattice oxygen vacancy (percentage of Ce3+ was 59.6%) and high cerium atom utilization ratio (80.04%). The porous material was with an average BET surface area of 97 m2·g-1 and pore volume of 0.26 mL·g-1. After aged at 1 000 ℃ in air for 5 h, the sample still possessed plenty of Ce3+ and lattice oxygen vacancy (percentage of Ce3+ was 57.1%), and showed high cerium atom utilization ratio (78.25%), and high thermal stability.
The oxygen storage material （OSM） Ce0.35Zr0.55Y0.1O1.95 was prepared by co-precipitation routine and studied by means of TEM, XRD, XPS, BET, H2-TPR and oxygen storage capacity （OSC） measurements. The resuhs indicated that this material possessed plenty of Ce^3＋ and lattice oxygen vacancy （percentage of Ce^3＋ was 59.6%） and high cerium atom utilization ratio （80.04%）. The porous material was with an average BET surface area of 97 m^2· g^-1 and pore volume of 0.26 mL·g^-1. After aged at 1 000 ℃ in air for 5 h, the sample still possessed plenty of Ce3＋ and lattice oxygen vacancy （percentage of Ce^3＋ was 57.1%）, and showed high cerium atom utilization ratio （78.25%）, and high thermal stability.
出处
《无机化学学报》
SCIE
CAS
CSCD
北大核心
2006年第8期1521-1524,共4页
Chinese Journal of Inorganic Chemistry
基金
国家自然科学基金资助项目(No.20273043)
国家重点基金资助项目(No.20333030)
