1. State Key Laboratory of Solidification Processing Center of Advanced Lubrication and Seal Materials Northwestern Polytechnical University Xi'an Shaanxi 710072 P. R. China
2. MOE Key Laboratory for UV Light‐Emitting Materials and Technology Northeast Normal University Changchun Jilin 130024 P. R. China
3. Department of Chemical Engineering The University of Melbourne Victoria 3010 Australia
4. Department of Chemistry Northeast Normal University Changchun Jilin 130024 P. R. China