1. Guangzhou Institute of Chemistry, Chinese Academy of Sciences; Guangzhou 510650 People's Republic of China
2. Key Laboratory of Cellulose and Lignocellulosics Chemistry; Chinese Academy of Sciences, Chinese Academy of Sciences; Guangzhou 510650 People's Republic of China
3. The University of the Chinese Academy of Science; Beijing 100039 People's Republic of China
4. Guangdong Provincial Key Laboratory of Organic Polymer Materials for Electronics; Guangzhou 510650 People's Republic of China
5. Department of Chemistry; Queen's University; 90 Bader Lane Kingston Ontario Canada K7L 3N6