1. Key Laboratory of Green Chemical Engineering and TechnologySchool of Chemical and Environmental EngineeringHarbin University of Science and Technology Harbin 150040 P. R. China
2. Key Laboratory for Photonic and Electronic Bandgap MaterialsMinistry of EducationSchool of Physics and Electronic EngineeringHarbin Normal University Harbin 150025 P. R. China
3. Department of Inorganic ChemistryInstitute of Molecular ScienceUniversity of Valencia, C/Catedrático José Beltrán Paterna Valencia 46980 Spain
4. School of Chemistry and Chemical EngineeringHarbin Normal University Harbin 150025 P. R. China