Title :
Ultrafast pump-probe spectroscopy of carrier relaxation dynamics in Cu(In, Ga)Se2 thin films
Author :
Chen, S. C. ; Liao, Y. G. ; Chen, H. J. ; Kuo, H. C. ; Wu, K. H. ; Kobayashi, Takayoshi
Author_Institution :
Department of Electrophysics, National Chiao Tung University, 1001 Ta Hsueh Road, Hsinchu 300, Taiwan
Abstract :
Ultrafast pump-probe spectroscopy of Cu(In, Ga)Se2 thin films was performed. We have found the non-radiative recombination dominated at room temperature. It could correlate to efficiency of Cu(In, Ga)Se2-based solar cells.
Keywords :
Cooling; Photovoltaic cells; Radiative recombination; Reflectivity; Semiconductor device measurement; Spectroscopy; Transient analysis;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA, USA
Print_ISBN :
978-1-4673-1839-6
