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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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.
KeywordsHydrothermal synthesis Volatile organic compounds Single-crystalline perovskite-type oxides Reducibility Initial reduction rate
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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