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Issue 36, 2015
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Enhanced catalytic activity for NO oxidation over Ba doped LaCoO3 catalyst

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Abstract

A series of La1−xBaxCoO3 (x = 0, 0.1, 0.2, 0.3) perovskites were synthesized by the modified sol–gel method, and their activities for NO oxidation were investigated as well. The relevant structural characterizations of the prepared catalysts were conducted by XRD, ICP, BET, FTIR, TEM, H2-TPR and NO-TPD. The performance evaluation indicated that introduction of Ba at the A-site in LaCoO3 greatly improved the activity for NO oxidation. The best performance with NO conversion of 93% at 265 °C was obtained on La0.9Ba0.1CoO3. Additionally, the Ba-doped LaCoO3 had better performance than that of the classical Pt/Al2O3 catalyst, implying that the non-noble catalysts could be considered as potential substituting candidates for noble metal-based catalysts.

Graphical abstract: Enhanced catalytic activity for NO oxidation over Ba doped LaCoO3 catalyst

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Publication details

The article was received on 06 Feb 2015, accepted on 13 Mar 2015 and first published on 13 Mar 2015


Article type: Paper
DOI: 10.1039/C5RA02344K
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RSC Adv., 2015,5, 28054-28059

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    Enhanced catalytic activity for NO oxidation over Ba doped LaCoO3 catalyst

    C. Zhou, Z. Feng, Y. Zhang, L. Hu, R. Chen, B. Shan, H. Yin, W. G. Wang and A. Huang, RSC Adv., 2015, 5, 28054
    DOI: 10.1039/C5RA02344K

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