| 摘要 |
Provided is the structure of a thin film solar cell. The structure of the thin film solar cell includes a first substrate, a first electrode provided on the first substrate, a p-type semiconductor layer provided on the first electrode, a first buffer layer provided on the p-type semiconductor layer, an optical absorption region provided on the first buffer layer, a second buffer layer provided on the optical absorption region, an n-type semiconductor layer provided on the second buffer layer, a second electrode provided on the n-type semiconductor layer, and a second substrate on the second electrode. The optical absorption region includes a silicon layer, a first layer on the silicon layer, and a second layer having a different energy band gap from the first layer, on the first layer. |
| 主权项 |
1. A thin film solar cell, comprising:
a first substrate; a first electrode provided on the first substrate; a p-type semiconductor layer provided on the first electrode; a first buffer layer provided on the p-type semiconductor layer; an optical absorption region provided on the first buffer layer; a second buffer layer provided on the optical absorption region; an n-type semiconductor layer provided on the second buffer layer; a second electrode provided on the n-type semiconductor layer; and a second substrate on the second electrode, the optical absorption region including a silicon layer, a first layer on the silicon layer, and a second layer having a different energy band gap from the first layer, on the first layer. |
