a
CAS Key Laboratory of Organic Solid, Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing, P. R. China
E-mail: ylli@iccas.ac.cn
;
Fax: +86-10-82616576
;
Tel: +86-10-62588934
b
Graduate University of Chinese Academy of Sciences, Beijing 100190, P. R. China