1. Henan Province Industrial Technology Research Institute of Resources and Materials, Zhengzhou University, Zhengzhou 450001, China
2. State Key Laboratory of Biochemical Engineering, Key Laboratory of Science and Technology on Particle Materials, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, P. R. China
3. School of Physics and Electronics, Henan University, Kaifeng, Henan 475004, China