Key Laboratory of Advanced Materials of Ministry of Education,School of Materials Science and Engineering,Tsinghua University,Beijing 100084,China;
School of Materials Science and Engineering,Ocean University of China,Qingdao 266100,China;
Graduate School at Shenzhen,Tsinghua University,Shenzhen 518055,China;
Pt/Al2O3; Sulfation; Soot oxidation; Particle size effect; NO 2 transfer;