1. Carbon Research Laboratory Liaoning Key Lab for Energy Materials and Chemical Engineering State Key Lab of Fine Chemicals School of Chemical Engineering Dalian University of Technology; Dalian 116024 P. R. China
2. Technical R&D Center China Tobacco Chuanyu Industrial Corporation Key Laboratory for Harmful Components and Tar Reduction in Cigarette of Sichuan Province; Chengdu 610066 P. R. China