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タイトル
和文: 
英文:New world record efficiency for pure-sulfide Cu(In,Ga)S2 thin-film solar cell with Cd-free buffer layer via KCN-free process 
著者
和文: 廣井 誉, 岩田 恭彰, 杉本 広紀, 山田明.  
英文: Homare Hiroi, Yasuaki Iwata, Hiroki Sugimoto, AKIRA YAMADA.  
言語 English 
掲載誌/書名
和文: 
英文:IEEE Journal of Photovoltaics 
巻, 号, ページ Volume 6        Page 760-763
出版年月 2016年3月21日 
出版者
和文: 
英文:IEEE 
会議名称
和文: 
英文: 
開催地
和文: 
英文: 
公式リンク http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=7437390&url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel7%2F5503869%2F5986669%2F07437390.pdf%3Farnumber%3D7437390
 
DOI https://doi.org/10.1109/JPHOTOV.2016.2537540
アブストラクト World-record conversion efficiency of 15.5%, which is a number independently certified by an external accredited laboratory, was achieved on a pure-sulfide Cu(In,Ga)S2 (CIGS) thin-film solar cell fabricated by metal sputtering and H2S gas sulfurization. This is the highest conversion efficiency reported for pure-sulfide CIGS thin-film solar cells. We exceeded the limit of 15% efficiency thanks to the buffer layer optimization. The buffer layer consists of Cd-free materials, and the absorber was fabricated via a KCN-free process.

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