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Citation: Wang Jiang, Zhen Kai-Ji, Wei Quan, Bi Ying-Li. The Surface Properties of LaAlO₃ Perovskite Oxides and Their Catalytic Activities[J]. Acta Physico-Chimica Sinica, ;1992, 8(02): 247-250. doi: 10.3866/PKU.WHXB19920221 shu

The Surface Properties of LaAlO₃ Perovskite Oxides and Their Catalytic Activities

1.
Department of Chemistry, Jilin University, Changchun 130023

Received Date: 23 November 1990
Available Online: 15 April 1992

A series of rare earth aluminate oxides were prepared by nitrate decomposition. The catalysts obtained were characterized by XRD, CO_2 TPD and XPS techniques and their catalytic activities for methane coupling were measured, The experimental results showed that the basicity of the surface can be interpreted by the double ioni-zation energy of oxygen species on the surface. There exists some correlation between this parameter and their catalytic activities.
- Rare earth aluminate; Surface composition; Oxidative coupling of methane
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The Surface Properties of LaAlO3 Perovskite Oxides and Their Catalytic Activities

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通讯作者: 陈斌, bchen63@163.com

The Surface Properties of LaAlO₃ Perovskite Oxides and Their Catalytic Activities