STACKED-LAYERED THIN FILM SOLAR CELL AND MANUFACTURING METHOD THEREOF
First Claim
1. A stacked-layered thin film solar cell, with a plurality of unit cells comprising a substrate, a first electrode layer, a first photoconductive layer, an interlayer, a second photoconductive layer, and a second electrode layer in a series stacked structure, and being characterized in thatfirst isolation grooves are formed on two borders of the second electrode layer, wherein the first isolation grooves are outside a projection zone of the unit cells and are extending downward to remove the first photoconductive layer;
- at least one outer groove is formed on the first electrode layer inside the first isolation groove; and
at least one cutting groove is formed on the interlayer inside the first isolation groove.
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Abstract
This invention discloses a stacked-layered thin film solar cell and a manufacturing method thereof. The stacked-layered thin film solar cell with a plurality of unit cells comprises a substrate, a first electrode layer, a first photoconductive layer, an interlayer, a second photoconductive layer, and a second electrode layer in a series stacked structure. It is characterized in that a first isolation groove and a second isolation groove are formed on borders of the second electrode layer and are extending downward to remove the first photoconductive layer. The first isolation groove is parallel with the unit cells and vertical to the second isolation groove. At least one outer groove is formed on the first electrode layer inside the first isolation groove and the second isolation groove, and at least one cutting groove inside the first isolation groove is formed on the interlayer.
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Citations
20 Claims
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1. A stacked-layered thin film solar cell, with a plurality of unit cells comprising a substrate, a first electrode layer, a first photoconductive layer, an interlayer, a second photoconductive layer, and a second electrode layer in a series stacked structure, and being characterized in that
first isolation grooves are formed on two borders of the second electrode layer, wherein the first isolation grooves are outside a projection zone of the unit cells and are extending downward to remove the first photoconductive layer; -
at least one outer groove is formed on the first electrode layer inside the first isolation groove; and at least one cutting groove is formed on the interlayer inside the first isolation groove. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A manufacturing method of a stacked-layered thin film solar cell, comprising:
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providing a substrate; forming a first electrode layer on the substrate; forming at least one outer groove on the first electrode layer; forming a first photoconductive layer on the first electrode layer; forming an interlayer on the first photoconductive layer; forming at least one cutting groove on the interlayer; forming a second photoconductive layer on the interlayer; forming a second electrode layer on the second photoconductive layer; and forming first isolation grooves at two borders of the second electrode layer outside the outer groove and the cutting groove, wherein the first isolation grooves are extending downward to remove the first photoconductive layer. - View Dependent Claims (18, 19, 20)
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Specification