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The ultrafine Ce-based oxide nanoparticles with different element dopings (Zr, Y) were synthesized by the method of micropores-diffused coprecipitation (MDC) using ammonia solution as the precipitation agent. The activities of the catalysts for soot oxidation were evaluated by the temperature-programmed oxidation (TPO) reaction. Ce-based oxides prepared in this study exhibited high catalytic activity...
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