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    • 2. 发明申请
    • Heterocontact Solar Cell with Inverted Geometry of its Layer Structure
    • 具有反向几何结构的异质太阳能电池
    • US20080156370A1
    • 2008-07-03
    • US11912240
    • 2006-04-11
    • Ossamah AbdallahGuiseppe CitarellaMarinus KunstFrank Wuensch
    • Ossamah AbdallahGuiseppe CitarellaMarinus KunstFrank Wuensch
    • H01L31/00
    • H01L31/077H01L31/0747H01L31/075Y02E10/548
    • A heterocontact solar cell in a layer structure. The solar cell includes an absorber made of a p-type and/or n-type doped crystalline semiconductor material. The cell also includes an emitter made of an amorphous semiconductor material that is oppositely doped relative to the absorber. Also included is an intrinsic interlayer made of an amorphous semiconductor material between the absorber and the emitter. The cell includes a cover layer on the side of the absorber facing a light. A first ohmic contact structure including a minimized shading surface on the side of the absorber facing the light and a second ohmic contact structure on a side of the absorber facing away from the light are also included. The layer structure has an inverted geometry such that the emitter is on a side of the absorber facing away from the light and the cover layer is configured as a transparent antireflective layer and as a passivation layer of the absorber, the passivation layer forms a surface field that reflects minority charge carriers, the first ohmic contact structure penetrating the transparent antireflective layer and the second ohmic contact structure configured over a surface area of the emitter.
    • 层状结构中的异质接触太阳能电池。 太阳能电池包括由p型和/或n型掺杂的晶体半导体材料制成的吸收体。 电池还包括由非晶半导体材料制成的发射体,其相对于吸收体相对掺杂。 还包括由吸收体和发射体之间的非晶半导体材料制成的本征中间层。 电池包括在吸收器面对光的一侧的覆盖层。 还包括第一欧姆接触结构,其包括在面向光的吸收体的侧面上的最小化的阴影表面和在吸收体背离光的一侧上的第二欧姆接触结构。 层结构具有反转几何形状,使得发射体位于吸收体背离光的一侧,并且覆盖层被构造为透明抗反射层,并且作为吸收体的钝化层,钝化层形成表面场 其反射少数电荷载体,穿过透明抗反射层的第一欧姆接触结构和配置在发射体的表面区域上的第二欧姆接触结构。