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利用Eu3+荧光特性研究CaO-La2O3催化剂结构

The Study on Structures of CaO-La2O3 Catalysts by Fluorescence Emission of Eu3+

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【作者】 纪敏毕颖丽甄开吉徐翊华魏诠

【Author】 Ji Min; Bi Yingli; Zhen Kaiji; Xu Yuhua(Department of Chemistry Jilin University Changchun 130023)Wei Quan(The Chentre of Analysis and Testing, Jilin University Changchun 130023)

【机构】 吉林大学化学系!长春130023吉林大学测试中心!长春130023

【Abstract】 The C2 selectivity of catalyst La2O3 in okidative coupling of methane may beincreased by doping small amount of CaO. Some experimental techniques were adoptedsuch as measurement of fluorescence emission of Eu3+ doped into La2O3, deterIninationsof the lattice paramters and XPS of the catalysts. The doping of CaO results in anincreace m ambient symmetry of La3+ and in the concentration for creating oxygen ionvacancies in La2O3.

【关键词】 稀土荧光甲烷氧化偶联
【Key words】 Rare earthFluorescenceOxidative coupling of methane
  • 【文献出处】 物理化学学报 ,Acta Physico-chimica Sinica , 编辑部邮箱 ,1995年02期
  • 【分类号】O643
  • 【下载频次】35
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