[20p-P14-1~23] 13.10 Compound solar cells

[20p-P14-20] Evaluation of optical absorption in compound thin film solar cells by FTPS

〇(M1)AbdRahman Binti NurSyazwana¹, Hiroshi Sobue¹, Takashi Itoh¹, Shuichi Nonomura¹, Akira Yamada² (1.Gifu Univ., 2.Tokyo Inst. of Tech. Univ.)

Keywords:evaluation of optical absorption,Fourier Transform Photocurrent Spectroscopy method

By using Fourier Transform Photocurrent method, we have evaluated optical absorption in compound thin film solar cells. We have observed the exponential tail for each spectrum for CIGS,CZTS, and AIGS solar cells. As a result, we can understand that fill factor of solar cell decrease with an increasing Urbach energy.