1. School of Chemistry and Molecular EngineeringEast China Normal University 500 DongChuan Road Shanghai 200241 China
2. Physical Sciences DivisionPacific Northwest National Laboratory Richland WA 99352 USA
3. School of Petroleum EngineeringState Key Laboratory of Heavy Oil ProcessingChina University of Petroleum (East China) Qingdao Shandong 266580 China
4. Department of Materials Science and EngineeringUniversity of Washington Seattle WA 98195 USA
5. Department of Chemical EngineeringUniversity of Washington Seattle WA 98195 USA