Key Laboratory of Color and Macromolecular Chemistry;
Heilongjiang University;
Harbin 150080;
China;
Institute of Advanced Ceramic;
Harbin Institute of Technology;
Harbin 150001;
China;
Department of Applied Chemistry;
Harbin Institute of Technology;
Harbin 150001;
China;
Institute of Opto-electronics;
Harbin Institute Technology;
Harbin 150001;
China;
polySchiff; base; triphenylamine; third-order; susceptibility; Z-scan;