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A Study on the Relationship Between Low-Temperature Reducibility and Catalytic Performance of Single-Crystalline La0.6Sr0.4MnO3+δ Microcubes for Toluene Combustion

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Abstract

Single-crystalline La0.6Sr0.4MnO3+δ microcubes of cubic perovskite phase were prepared hydrothermally. The adopted temperature and time of hydrothermal treatment and the amount of KOH used had great effects on the low-temperature reducibility of La0.6Sr0.4MnO3+δ . The initial H2 consumption rate of La0.6Sr0.4MnO3+δ played a vital role in determining its catalytic activity for toluene combustion. It is concluded that the perovskite-type oxide catalyst with a higher initial H2 consumption rate displayed a higher catalytic activity for the addressed reaction.

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Acknowledgments

The work described above was supported by the RGC, Hong Kong Special Administration Region (Grant HKBU 200106). The research activities in Beijing University of Technology were supported by the Natural Science Foundation of Beijing Municipality (Key Class B project of grant number KZ200610005004), the Funding Project (PHR200907105) Administered by the Beijing Municipal Commission of Education, and the Funding Project for Academic Human Resources Development in Institutions of Higher Learning under the Jurisdiction of Beijing Municipality (PHR (IHLB)).

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Authors and Affiliations

  1. Laboratory of Catalysis Chemistry and Nanoscience, Department of Chemistry and Chemical Engineering, College of Environmental and Energy Engineering, Beijing University of Technology, 100124, Beijing, People’s Republic of China

    Jiguang Deng, Lei Zhang & Hongxing Dai

  2. Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong, People’s Republic of China

    Chak Tong Au

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  1. Jiguang Deng
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  2. Lei Zhang
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  3. Hongxing Dai
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  4. Chak Tong Au
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Correspondence to Hongxing Dai or Chak Tong Au.

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Deng, J., Zhang, L., Dai, H. et al. A Study on the Relationship Between Low-Temperature Reducibility and Catalytic Performance of Single-Crystalline La0.6Sr0.4MnO3+δ Microcubes for Toluene Combustion. Catal Lett 130, 622–629 (2009). https://doi.org/10.1007/s10562-009-9901-6

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  • DOI: https://doi.org/10.1007/s10562-009-9901-6

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