Institute of Opto-electronics Harbin Institute of Technology Harbin 150001 China;
Institute of Opto-electronics Harbin Institute of Technology Harbin 150001 China;
H. No. 1447 Street No. 41 Sector I-10/2 Islamabad Pakistan;
Institute of Opto-electronics Harbin Institute of Technology Harbin 150001 China;
Institute of Opto-electronics Harbin Institute of Technology Harbin 150001 China;
ab initio; potential energy curve; excimer-like molecule; oscillator strength; gain;