銅銦鎵硒太陽能電池發布時間:2018-07-27

技術編號:HJS-2018-06144053

效率高性能穩定發電效益好

銅銦鎵硒(CIGS)薄膜太陽能電池具有效率高、成本低、發電效益好、襯底選擇度大、性能穩定、抗輻射能力強等特點

技術行業:化工新材料行業

技術來源:研究機構

技術地區:

技術階段:中試

技術方現狀:缺市場渠道

技術應用領域:機械電子 能源電力

價格區間:

交付方式:工藝

合作方式: 技術入股 其他 

技術詳情
提供一種倒置結構的銅銦鎵硒太陽能電池及其制備方法,所述方法包括:在基材表面沉積Al電極;在所述Al電極表面沉積ZnO窗口層;在所述ZnO窗口層表面沉積Cu?In?Ga或Cu?In?Ga?Se合金薄層,得到多層薄膜結構;將所述多層薄膜結構置于含硒氣氛中退火處理,將Cu?In?Ga或Cu?In?Ga?Se合金薄層硒化形成銅銦鎵硒吸收層,同時將ZnO窗口層部分硒化形成ZnSe緩沖層;在所述銅銦鎵硒吸收層表面沉積背電極。本發明與現有銅銦鎵硒太陽能電池工藝步驟完全相反,而且在退火處理中,ZnO窗口層部分硒化形成ZnSe緩沖層,不用額外增加緩沖層沉積步驟,短工藝流程,而且ZnSe緩沖層為硒化形成,有效改善了窗口層、緩沖層和吸收層的界面相容性、提高了太陽能電池的光電轉化效率。
技術優勢

銅銦鎵硒(CIGS)薄膜太陽能電池具有效率高、成本低、發電效益好、襯底選擇度大、性能穩定、抗輻射能力強等特點。其光電轉換效率目前是各種薄膜太陽能電池之首,實驗室最高效率已經達到20.8%,超過多晶硅太陽能電池,規模化生產潛力巨大。CIGS電池被國際權威公認為是兼具高效率和低成本的最佳平價光伏發電方案。

適用對象

適用于太陽能電池技術領域

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