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Effect of electron structure on the catalytic activity of LaCoO3 perovskite towards toluene oxidation
Hanlin Chen1,2,3,4, Peng Liu1,2,4, Gaoling Wei5
1CAS Key Laboratory of Mineralogy and Metallogeny/Guangdong Provincial Key Laboratory of Mineral Physics and Materials, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, P. R. China. liangxl@gig.ac.cn.
Abstract:
LaCoO3 perovskites with different spin states of Co3+ were prepared by calcination at 600-1000 °C. LaCoO3 with electron filling in the eg orbital at 1 exhibited a moderate interaction between the surface oxygen, resulting in the best catalytic activity. This was verified by the O p-band center.
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