%0 Journal Article %J IEEE Journal of Photovoltaics %D 2019 %T Cd-Free Cu(In,Ga)(Se,S)2 Thin-Film Solar Cell With Record Efficiency of 23.35% %A M. Nakamura %A K. Yamaguchi %A Y. Kimoto %A Y. Yasaki %A T. Kato %A H. Sugimoto %B IEEE Journal of Photovoltaics %V 9 %P 1863-1867 %G eng %U https://ieeexplore-ieee-org.udel.idm.oclc.org/document/8825469/authors#authors %R 10.1109/JPHOTOV.2019.2937218