Industrial Technology Research Institute

Jui-Chung Hsiao

Chun-Heng Chen

Chen-Hsun Du

Chorng-Jye Huang

Chao-Cheng Lin

Chun-Ming Yeh

Chen-Cheng Lin

A solar cell includes a photoelectric conversion layer, a doped layer, a first passivation layer, a first TCO layer, a front electrode and a back electrode. The doped layer is disposed on the front surface of the photoelectric conversion layer. The first passivation layer is disposed on the doped layer, wherein the first passivation layer has a plurality of openings exposing a portion of the doped layer. The first TCO layer is disposed on the first passivation layer and in the openings, and directly contacts the exposed doped layer via the openings, wherein a ratio of an area of the openings to an area of the first TCO layer is between 0.01 and 0.5. The front electrode is disposed on the first TCO layer. The back electrode is disposed on the back surface of the photoelectric conversion layer.

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Jui-Chung Hsiao