1. Institute of Organic Chemistry, University of Regensburg, Universitätsstrasse 31, 93053 Regensburg, Germany
2. CAS Key
Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P.R. China
3. Beijing National Laboratory for Molecular
Sciences and State Key Laboratory of Rare Earth Materials Chemistry
and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P.R. China