1. Department of Materials Science and Engineering; South China University of Technology; Guangzhou 510640 China
2. Department of Chemistry and Chemical Engineering; Zhongkai University of Agriculture and Engineering; Guangzhou 510225 China
3. Guangdong Institute of Science and Technology; Guangzhou 511640 China
4. Guangzhou Sugarcane Industry Research Institute, Guangdong Academy of Sciences; Guangzhou 510316 China