Title :
CIGS solar cells on flexible stainless steel substrates
Author :
Satoh, Takuya ; Hashimoto, Yasuhiro ; Shimakawa, Shin-Ichi ; Hayashi, Shigeo ; Negami, Takayuki
Author_Institution :
Adv. Technol. Res. Labs., Matsushita Electr. Ind. Co. Ltd., Kyoto, Japan
Abstract :
Flexible solar cells are useful for many situations such as curved surfaces, mobile devices, space uses, etc. The authors have developed flexible Cu(In,Ga)Se2 (CIGS) solar cells with stainless steel substrates. CIGS films were deposited by an in-line evaporation system. The CIGS films have strong adhesion to Mo films. The phases of CIGS films on the stainless steel and on the glass had almost the same patterns, but grain sizes of CIGS films on the Mo/stainless steel are smaller than those of the films on the glass. A device efficiency of 12.2% was achieved by the flexible CIGS solar cell with the stainless steel substrate
Keywords :
copper compounds; gallium compounds; indium compounds; semiconductor thin films; solar cells; stainless steel; substrates; vacuum deposited coatings; vacuum deposition; 12.2 percent; Cu(In Ga)Se2; Cu(In,Ga)Se2 solar cells; device efficiency; flexible stainless steel substrates; grain size; in-line evaporation system; Adhesives; Electrodes; Glass; Photovoltaic cells; Polyimides; Space technology; Steel; Surface morphology; Temperature; X-ray scattering;
Conference_Titel :
Photovoltaic Specialists Conference, 2000. Conference Record of the Twenty-Eighth IEEE
Conference_Location :
Anchorage, AK
Print_ISBN :
0-7803-5772-8
DOI :
10.1109/PVSC.2000.915902
