1. Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, P. R. China
2. University of Chinese Academy of Sciences, 19A Yuquanlu Road, Beijing 100049, P. R. China
3. Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, Jianghan University, Wuhan 430056, China