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Manufacturing Method of Multi-Junction Solar Cell and Multi-Junction Solar Cell thereby
Manufacturing Method of Multi-Junction Solar Cell and Multi-Junction Solar Cell thereby
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机译：多结太阳能电池的制造方法及由此形成的多结太阳能电池
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摘要
The present invention relates to a method of manufacturing a multi-junction solar cell and a multi-junction solar cell manufactured thereby, in the method of manufacturing a multi-junction solar cell, the first step of forming a light absorbing layer on the substrate for epi growth, and A second step of forming a rear electrode on the light absorbing layer, a third step of removing the epitaxial growth substrate from the light absorbing layer, and a front electrode on the light absorbing layer on the side where the epi growth substrate is removed Including four steps, the light absorbing layer is composed of N subcells having different absorption wavelengths (N is a natural number of 2 or more), and each subcell is tunnel junction (Tunnel junction) to form a multiple junction. A method for manufacturing a multi-junction solar cell and a multi-junction solar cell manufactured thereby are made as technical points. This provides a multi-junction solar cell that improves solar cell efficiency by improving transmittance and electrical conductivity by applying a tunnel junction structure as a recombination layer instead of a transparent electrode and a metal electrode.
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