1. School of Materials Science and Engineering; North University of China; No. 3 Xueyuan Road Taiyuan Shanxi 030051 PR China
2. College of Chemical and Environmental Engineering; Shandong University of Science and Technology; Qingdao Shandong 266590 China
3. Integrated Composites Laboratory, Department of Chemical and Biomolecular Engineering; University of Tennessee; Knoxville Tennessee 37996 USA
4. Department of Chemistry; Xavier University of Louisiana; New Orleans Louisiana 70125 USA
5. Department of Physics and Engineering; Frostburg State University; Frostburg Maryland 21532 USA