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ACS Appl Mater Interfaces. 2018 Mar 21;10(11):9220-9224. doi: 10.1021/acsami.8b01450. Epub 2018 Mar 12.

In Situ Embedded Pseudo Pd-Sn Solid Solution in Micropores Silica with Remarkable Catalytic Performance for CO and Propane Oxidation.

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Institute of Applied Chemistry, College of Chemistry , Nanchang University , 999 Xuefu Road , Nanchang , Jiangxi 330031 , China.
Chemical Sciences Division , Oak Ridge National Laboratory , Oak Ridge , Tennessee 37831 , United States.
Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry and Molecular Engineering , East China Normal University , North Zhongshan Road 3663 , 200062 Shanghai , China.


Most of the industrial and environmental catalytic reactions are operated at high temperature for a long time, and the sintering of the active centers is the main factor leading to catalysts deactivation, especially for noble metal catalysts. Herein we develop a dual confinement (enhanced metal-oxide interaction and the porous shell confinement) strategy to prepare Pd-Sn pseudo solid solution and in situ embedded in microporous silica for the first time and showed superior catalytic performance for CO and propane total oxidation (two main vehicle emission gases), even stored more than 640 days.


CO and propane oxidation; confinement effect; core@shell; metal-oxide interaction; solid solution


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