Heterojunction solar cell and preparation method thereof
A solar cell and heterojunction technology, applied in the field of solar cells, can solve problems such as weakening of solar cell power generation capacity, chipping of cell chips, and increasing ribbon resistance, so as to improve photoelectric conversion efficiency, reduce series resistance, and improve preparation The effect of efficiency
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[0062] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary, and are only used to explain the present invention, and cannot be construed as limiting the present invention.
[0063] Please also refer to figure 1 with figure 2 , The embodiment of the present invention provides a heterojunction solar cell, which includes a crystalline silicon substrate 100, the front side of the crystalline silicon substrate 100 is provided with a first intrinsic amorphous silicon layer 110; on the first intrinsic amorphous silicon layer 110 A first N-type amorphous silicon layer 200 and a first P-type amorphous silicon layer 300 are provided; the first N-type amorphous silicon layer 200 is ...
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