1. School of Chemistry and Materials Science, Hunan Agricultural University, Changsha 410128, P. R. China
2. Hunan Key Laboratory of Extreme Matter and Applications, National University of Defense Technology, Changsha 410073, P. R. China
3. State Key Laboratory of Utilization of Woody Oil Resource of China, Hunan Academy of Forestry, Changsha 410018, P. R. China
4. College of Electrical and Information Engineering, Hunan University, Changsha 410082, P. R. China
5. Hunan Province Yinfeng New Energy Co., Ltd., Changsha 410014, P. R. China