Photophysical and laser characteristics of pyrromethene 567 dye: Experimental and theoretical studies |
| |
| Authors: | K. K. Jagtap D. K. Maity A. K. Ray K. Dasgupta S. K. Ghosh |
| |
| Affiliation: | (1) Biodesign Institute, Arizona State University, Tempe, AZ 85287-5601, USA;(2) Department of Physics, Arizona State University, Tempe, AZ 85287-5601, USA;(3) Department of Chemistry and Biochemistry, Arizona State University, Tempe, AZ 85287-5601, USA; |
| |
| Abstract: | Narrow-band laser performance of alcohol solutions of pyrromethene 567 (PM567) and rhodamine 6G (RH6G) dye was investigated using a home-made GIG-configured dye laser, excited by the second-harmonic radiation (at 532 nm) of a pulsed Nd:YAG laser. Higher laser efficiency was observed with PM567 dye (∼23% peak) in comparison to the commonly used RH6G dye (16.5%), in spite of much lower fluorescence quantum efficiency of the PM567 (0.83) vis-à-vis RH6G (0.98) dye solutions in ethanol. First principle-based electronic structure calculations were performed on PM567 dye in the ground (S 0) and excited states (S 1) using density functional theory to elucidate the structure and photophysical properties of the dye. |
| |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ |
|
