1. College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, P. R. China
2. School of Materials Science and Engineering, Institute of Advanced Materials, China University of Petroleum (East China), Qingdao 266580, P. R. China
3. Ivanovo State University of Chemistry and Technology, RF-153000 Ivanovo, Russian Federation
4. Institute of Physiologically Active Compounds at Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, 1 Severny Proezd, 142432 Chernogolovka, Russian Federation
5. Key Laboratory for Organic Electronics and Information Displays (KLOEID), Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, P. R. China