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    • 5. 发明申请
    • THIN FILM SOLAR CELL AND MANUFACTURING METHOD
    • 薄膜太阳能电池和制造方法
    • WO2005088731A1
    • 2005-09-22
    • PCT/SE2005/000321
    • 2005-03-03
    • SOLIBRO ABMALMSTRÖM, JonasSTOLT, Lars
    • MALMSTRÖM, JonasSTOLT, Lars
    • H01L31/0248
    • H01L31/0322H01L31/022425H01L31/056Y02E10/52Y02E10/541Y02P70/521
    • The present invention relates to a thin film solar cell and a method of manufacturing such cells. In particular the invention relates to the use of a composite back contact (314) in Cu(In,Ga)Se 2 (CIGS) based thin film solar cells with thin absorber layers. The composite back contact (314) is provided between the substrate (105) and the absorber (115) and comprises: a back reflector layer (311) that enhance the reflectance at the absorber/composite back contact interface; and at least a contact layer that contact layer (310, 313) that ensures suitable electrical properties of the back contact with respect to the absorber; and/or a conductance layer (312) that ensures low sheet resistance for the in-plane current flow.
    • 本发明涉及一种薄膜太阳能电池及其制造方法。 特别地,本发明涉及在具有薄吸收层的Cu(In,Ga)Se2(CIGS))薄膜太阳能电池中使用复合背接触(314)。 所述复合背接触件(314)设置在所述基底(105)和所述吸收体(115)之间,并包括:增强所述吸收体/复合背接触界面处的反射率的后反射层(311) 以及至少接触层,其接触层(310,313)确保所述背接触件相对于所述吸收体的适合的电特性; 和/或电导层(312),其确保面内电流的低的薄层电阻。