| abstract |
The present invention relates to a first electrode, a hole transport layer positioned on the first electrode, a photoactive layer positioned on the hole transport layer and including a perovskite, a first electron transport layer positioned on the photoactive layer, and the first electron A second electron transport layer positioned on a transport layer and a second electrode positioned on the second electron transport layer, the hole transport layer containing a p-type organic semiconductor, and the first electron transport layer containing an n-type organic semiconductor And, the second electron transport layer provides a solar cell, characterized in that comprising an n-type organic semiconductor and a conjugated polymer. According to the present invention, it is possible to provide a solar cell capable of improving efficiency and driving life and manufacturing a solution process. |