1. Key Laboratory of Polymeric Composite Materials of Heilongjiang Province, College of Materials Science and Engineering, Qiqihar University, Qiqihar 161006, P. R. China
2. College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar 161006, P. R. China
3. Key Laboratory for Photonic and Electronic Bandgap Materials Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025, P. R. China