Solar cell and manufacturing method thereof
First Claim
1. A method of manufacturing a solar cell, the method comprising:
- forming an emitter layer on a first surface of a semiconductor substrate;
forming an insulation layer on the emitter layer;
applying a chemical compound comprising a dopant having a conductive type of the emitter layer on the insulation layer according to a pattern;
forming a high concentration emitter portion by;
removing a portion of the insulation layer corresponding to a positioning of the chemical compound; and
diffusing the dopant towards the emitter layer;
removing the chemical compound; and
forming a first electrode electrically connected to the high concentration emitter portion.
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Accused Products
Abstract
A solar cell and a manufacturing method thereof. A method of manufacturing a solar cell includes: forming an emitter layer on a first surface of a semiconductor substrate; forming an insulation layer on the emitter layer; applying a chemical compound including a dopant having a conductive type of the emitter layer on the insulation layer according to a pattern; forming a high concentration emitter portion by removing a portion of the insulation layer corresponding to a positioning of the chemical compound and diffusing the dopant toward the emitting layer; removing the chemical compound; and forming a first electrode electrically connected to the high concentration emitter portion.
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Citations
19 Claims
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1. A method of manufacturing a solar cell, the method comprising:
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forming an emitter layer on a first surface of a semiconductor substrate;
forming an insulation layer on the emitter layer;
applying a chemical compound comprising a dopant having a conductive type of the emitter layer on the insulation layer according to a pattern;
forming a high concentration emitter portion by;
removing a portion of the insulation layer corresponding to a positioning of the chemical compound; and
diffusing the dopant towards the emitter layer;
removing the chemical compound; and
forming a first electrode electrically connected to the high concentration emitter portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A solar cell comprising:
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a semiconductor substrate;
an emitter layer disposed on the semiconductor substrate;
a first electrode disposed on the emitter layer and electrically connected to the emitter layer; and
an insulation layer disposed on one or more regions of the emitter layer where the first electrode is not disposed, wherein the emitter layer comprises a high concentration emitter portion corresponding to a positioning of the first electrode, and wherein the insulation layer comprises a substantially uneven surface in contact with the first electrode. - View Dependent Claims (19)
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Specification