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学科主题: 物理化学
题名: Redox Characterization of Pd-perovskites Prepared by a Sol-gel Process
作者: Zhang XJ(张晓静) ;  Yao SD(姚颂东) ;  Li J(李娟) ;  Shen WJ(申文杰)
会议名称: Pre-conference of ICC 14-Nanocatalysis: Fundamentals & Applications
会议日期: 2008-7-9
出版日期: 2008-07-09
会议地点: 中国
其他题名: 溶胶凝胶法制备的Pd-钙钛矿催化剂的氧化还原性能
通讯作者: 申文杰
部门归属: 五室
主办者: 大连化学物理研究所
摘要: Three-way catalysts with low precious metal loading but effective eliminating function are highly expected. The precious metals could be remarkably reduced by using perovskites, LaFe0.57Co0.38Pd0.05O3 and CaTi0.98Pt0.02O3, in which precious metal could incorporate into the B-site of the perovskite lattice with a self-regenerative function. However, the organic precursors have to employ for synthesis such kind of materials. Here we prepare LaFe1-xPdxO3 perovskites with a sol-gel method by using routine metal salts. The states of the Pd species and the interaction between Pd and LaFeO3 were extensively investigated. The Pd-perovskites exhibited well crystallinity structure and enhanced redox properties. The Pd species could incorporate into the LaFeO3 lattice with appropriate amount, including Pd4+ and Pd2+, and can move out of the LaFeO3 lattice under reductive atmosphere.
语种: 中文
内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/112996
Appears in Collections:中国科学院大连化学物理研究所_会议论文

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Recommended Citation:
Zhang XJ,Yao SD,Li J,et al. Redox Characterization of Pd-perovskites Prepared by a Sol-gel Process[C]. 见:Pre-conference of ICC 14-Nanocatalysis: Fundamentals & Applications. 中国. 2008-7-9.
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