1. Key Laboratory of Functional Inorganic Material Chemistry
2. Ministry of Education and School of Chemistry and Materials
3. Heilongjiang University
4. Harbin 150080, China
5. Department of Chemistry
6. Faculty of Science
7. National University of Singapore
8. Singapore 117543, Singapore
9. Key Laboratory for Organic Electronics & Information Displays
10. Institute of Advanced Materials
11. Nanjing University of Posts & Telecommunications
12. Nanjing 210023, China
13. Singapore-Jiangsu Joint Research Center for Organic/Bio-electronics and Information Displays and Institute of Advanced Materials
14. Institute of Materials Research and Engineering