1. Guangxi Key Laboratory of Petrochemical Resource Processing Process Intensification Technology School of Chemistry and Chemical Engineering Guangxi University Nanning 530004 China
2. Guangxi Institute Fullerene Technology (GIFT) Key Laboratory of New Processing Technology for Nonferrous Metals and Materials Ministry of Education, School of Resources, Environment and Materials Guangxi University Nanning 530004 China
3. Department of Mechanical and Mechatronics Engineering, and Waterloo Institute for Nanotechnology University of Waterloo Waterloo Ontario N2L 3G1 Canada
4. Department of Materials Science and Engineering, The Ångström Laboratory Uppsala University P.O. Box 35 SE-751 03 Uppsala Sweden