Key Laboratory of Excited State Processes;
Chinese Academy of Sciences;
Changchun Institute of Optics;
Fine Mechanics and Physics;
Chinese Academy of Sciences;
Changchun 130033;
Center for Advanced Opto-electronic Functional Material Research;
Northeast Normal University;
Changchun 130024;
Nanoscale Materials and Sensors Center for Photonic Materials and Devices;
Fisk University;
Nashville;
TN 37208;
USA;