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    • 10. 发明公开
    • Solar Cell and Method of Fabricating the Same
    • 太阳能电池及其制造方法
    • EP2312650A2
    • 2011-04-20
    • EP10187420.4
    • 2010-10-13
    • IPS Ltd
    • Park, Sang-JoonPark, Seong-BeomKim, Young-JunBae, Jun-Sung
    • H01L31/18C23C16/455
    • H01L31/0232C23C16/308C23C16/403C23C16/45551H01L31/022425H01L31/18H01L31/1804Y02E10/547Y02P70/521
    • A solar cell and a fabricating method thereof are provided. In the method of fabricating the solar cell, a p-type semiconductor substrate on whose light-receiving surface an antireflection coating is formed is loaded into a processing chamber. In this case, the p-type semiconductor substrate may be loaded on a substrate support of an apparatus of processing a plurality of substrates along the circumference of the substrate support, in the state where the back surface of the p-type semiconductor substrate faces upward. Then, a back surface field (BSF) layer having the characteristic of Negative Fixed Charge (NFC) is formed with AlO, AlN or ALON on the back surface of the p-type semiconductor substrate. At this time, the BSF layer may be formed by simultaneously injecting an A1 source gas, a first purge gas, an oxidizing agent gas and/or a ntiriding agent gas, and a second purge gas through injection holes of individual gas injection units while relatively rotating the substrate support with respect to the shower head. Thereafter, a back surface electrode is formed on the BSF layer such that the back surface electrode is electrically connected to the BSF layer.
    • 提供了一种太阳能电池及其制造方法。 在制造太阳能电池的方法中,其上形成有抗反射涂层的光接收表面上形成的p型半导体基板被装载到处理室中。 在这种情况下,在p型半导体衬底的背面朝上的状态下,p型半导体衬底可以装载在沿着衬底支撑件的圆周处理多个衬底的设备的衬底支撑件上 。 然后,在p型半导体衬底的背表面上用AlO,AlN或ALON形成具有负固定电荷(NFC)特性的背表面场(BSF)层。 此时,BSF层可以通过同时相对注入Al源气体,第一净化气体,氧化剂气体和/或净化剂气体以及第二净化气体通过各个气体注入单元的注入孔而形成 相对于喷头旋转基板支撑件。 之后,在BSF层上形成背面电极,使得背面电极电连接到BSF层。