Abstract:
采用胶体晶体模板法制备了钯(Pd)掺杂三维有序大孔(3DOM)铈锆固溶体Ce0.7-xZr0.3PdxO2(0.01 <x <0.1),同时,采用初湿浸渍法制备了相同Pd 含量的负载型Pd/ 3DOM Ce0.7Zr0.3O2 催化剂,通过X 射线粉末衍射、扫描电镜和H2-TPR 等技术研究了Pd 离子进入铈锆固溶体晶格对其热稳定性和碳烟催化燃烧性能的影响.结果表明,铈锆固溶体和Pd 物种之间存在的相互作用提高了Pd 物种的热稳定性,而以Pd-O-Ce 形式存在的Pd 物种更利于碳烟催化燃烧.
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Year: 2012
Page: 1-2
Language: Chinese
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WanFang Cited Count: -1
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30 Days PV: 4
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