1. Department of Material Science and Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
2. Department of Polymer Chemistry and Technology, Kaunas University of Technology, Radvilenu Road 19, 50254 Kaunas, Lithuania
3. Organic Materials Laboratory, Department of Chemistry, Indian Institute of Technology, Roorkee 247667, India
4. Institute of Functional Nano and Soft Materials, Soochow University, Suzhou 215123, China