1. CAS Key Laboratory of Bio-Based Materials Qingdao Institute of Bioenergy and Bioprocess Technology Chinese Academy of Sciences Qingdao 266101 P. R. China
2. University of Chinese Academy of Sciences Beijing 100049 P. R. China
3. Shandong Energy Institute Qingdao 266101 P. R. China
4. Qingdao New Energy Shandong Laboratory Qingdao 266101 P. R. China
5. Department of Chemistry and Life Science Yokohama National University Yokohama 240-8501 Japan