McKenna Long & Aldridge LLP
Method for manufacturing solar cell
A method for manufacturing a solar cell according to an embodiment of the present invention includes preparing a semiconductor substrate having a first conductivity type dopant; ion-implanting a pre-amorphization elements into a front surface of the semiconductor substrate to form an amorphous layer; and forming an emitter layer by ion-implanting second conductivity type dopant into the front surface of the semiconductor substrate. The method then further includes heat-treating the layers to activate the second conductivity type dopant. The method further includes forming a back surface field layer at a back surface of the semiconductor substrate by ion-implanting a first conductivity type dopant.
LG Electronics Inc.
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Seongeun Kyoungsoo
Lee Lee