Efficiency Improvement Above 21% of CIGS Thin-Film Solar Cell under the Influence of Optical Losses
Efficiency Improvement Above 21% of CIGS Thin-Film Solar Cell under the Influence of Optical Losses
Abstract: This work focuses on determining theoreticaly quite accurately the optimal parameters of the CIGS cell with structure ZnO:Al/CdS/CIGS/Mo/Glass such as: thickness of CdS and the thickness of antireflection layer. The calculations of optical losses are carried out due to reflections from all interfaces and absorption in the transparent conducting oxide (TCO) and n-type layers. The effect of thickness of antireflection coating above TCO surface has been taken into account. It is shown that, the amount of the optical losses is about 23%. The 100 nm thickness of the antireflection layer is sufficient to reduce these losses up to 16 %. At certain parameters of the used materials and with taking into account the reflectivity from back contact, the efficiency of CIGS has been improved and records a value of 21.27%.
Abstract: This work focuses on determining theoreticaly quite accurately the optimal parameters of the CIGS cell with structure ZnO:Al/CdS/CIGS/Mo/Glass such as: thickness of CdS and the thickness…
Abstract: This work focuses on styding the effect of recombination losses on the efficiency of thin-film solar cell based on CIGS. The results have been carried out based on the width of the space…
Abstract: Solar cells based on Cu(In,Ga)Se2 (CIGS) are very promising thin-film solar cells due to their high absorption
coefficient and appropriate optical band gap. In this work, a model…