1. Key Laboratory of Materials Modification by Laser, Ion and Electron Beams (Ministry of Education), School of Physics, Dalian University of Technology, Dalian 116024, China
2. Post-Doctoral Research Station of Dalian Zhenbang Fluorocarbon Paint Stock Co., Ltd., Dalian 116036, China
3. State Key Laboratory of Fine Chemicals, School of Chemistry, Dalian University of Technology, Dalian 116024, China