1. Key
Laboratory of Solidification Control and Digital Preparation Technology
(Liaoning Province), School of Materials Science and Engineering, Dalian University of Technology, Dalian 116085, P. R. China
2. State
Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of
Chemical Physics, Chinese Academy of Science, 457 Zhongshan Road, Dalian 116023, P. R. China
3. Tianjin
Key Laboratory of Molecular Optoelectr-onic Science, Institute of
Chemistry, Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, P. R. China