1. Beijing
Center for Crystal Research and Development, Key Laboratory of Functional
Crystals and Laser Technology, Technical Institute of Physics and
Chemistry, Chinese Academy of Sciences, Beijing 100190, P.R. China
2. University of Chinese Academy of Sciences, Beijing 100049, P.R. China
3. Department
of Chemistry, University of Alberta, Edmonton, Alberta, Canada T6G 2G2
4. Institute
of Chemical Materials, China Academy of Engineering Physics, Mianyang 621900 P.R. China