a
Institute of Functional Material Chemistry, Faculty of Chemistry, Northeast Normal University, Changchun, People's Republic of China
E-mail: lanyq176@nenu.edu.cn
;
Fax: +86 431 85684009
;
Tel: +86 431 85099108
b
Jiangsu Key Laboratory of Biofunctional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China