1. Key Laboratory of Biomass Energy and Material; Jiangsu Province; Key and Open Laboratory on Forest Chemical Engineering; State Forestry Administration; National Engineering Laboratory for Biomass Chemical Utilization; Institute of Chemical Industry of Forest Products; Chinese Academy of Forestry; Nanjing 210042 Jiangsu Province P. R. China
2. State Key Laboratory of Polymer Physics and Chemistry; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun 130022 P. R. China
3. Analytical and Testing Center; Sichuan University of Science and Engineering; Zigong 643000 P. R. China
4. Key Laboratory of UV Light Emitting Materials and Technology under Ministry of Education; Northeast Normal University; Changchun 130024 P. R. China