Solar cell and manufacturing method therefor

A solar cell comprising:

• a perovskite solar cell including a first conductive charge transporting layer, a light absorption layer provided on the first conductive charge transporting layer, and a second conductive charge transporting layer provided on the light absorption layer;
• and
• a first electrode provided on one surface of the second conductive charge transporting layer,
• wherein the first electrode comprises a first pattern layer patterned by a deposition process using a shadow mask,
• further comprising a third transparent electrode layer provided between the second conductive charge transporting layer and the first pattern layer,
• wherein each of the third transparent electrode layer and the first pattern layer comprises transparent oxide including at least one of indium (In) and tin (Sn), and
• wherein the first pattern layer contacts the third transparent electrode layer, a content of indium of the first pattern layer is higher than a content of indium of the third transparent electrode layer.

A method of manufacturing a solar cell, the method comprising:

• a step of forming a first transparent electrode layer on one surface of a semiconductor substrate;
• and
• a step of forming a first electrode on one surface of the first transparent electrode layer,
• wherein the step of forming the first electrode comprises a process of forming a first pattern layer through a deposition process using a shadow mask, and
• the first transparent electrode layer and the first pattern layer are formed by a continuous process in-situ,
• wherein each of the first transparent electrode layer and the first pattern layer comprises transparent oxide including at least one of indium (In) and tin (Sn), and
• wherein the first pattern layer contacts the first transparent electrode layer, and a content of indium of the first pattern layer is higher than a content of indium of the first transparent electrode layer.

A method of manufacturing a solar cell, the method comprising:

• a step of forming a perovskite solar cell on one surface of a semiconductor substrate, the perovskite solar cell including a first conductive charge transporting layer, a light absorption layer provided on the first conductive charge transporting layer, and a second conductive charge transporting layer provided on the light absorption layer;
• and
• a step of forming a third transparent electrode layer on one surface of the second conductive charge transporting layer;
• and
• a step of forming a first electrode on one surface of the third transparent electrode layer,
• wherein the step of forming the first electrode comprises a process of forming a first pattern layer through a deposition process using a shadow mask, and
• the third transparent electrode layer and the first pattern layer are formed by a continuous process in-situ,
• wherein each of the third transparent electrode layer and the first pattern layer comprises transparent oxide including at least one of indium (In) and tin (Sn), and
• wherein the first pattern layer contacts the third transparent electrode layer, a content of indium of the first pattern layer is higher than a content of indium of the third transparent electrode layer.