Perovskite solar cell and method for manufacturing same
AssigneeJusung Engineering Co., Ltd.
InventorsJae Ho KIM, Chul Joo HWANG
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Abstract
The present inventive concept provides a solar cell and a method for manufacturing same, the solar cell comprising: a light absorbing layer comprising a perovskite compound; and an electron transporting layer on one surface of the light absorbing layer, wherein the electron transporting layer consists of a first electron transporting layer on the one surface of the light absorbing layer, and a second electron transporting layer on the first electron transporting layer, the first electron transporting layer consists of an inorganic metal nitride, and the second electron transporting layer consists of an inorganic metal nitride oxide.
Claims25
A solar cell comprising:
- a light absorption layer including a perovskite compound;
- and
- an electron transport layer provided on a first surface of the light absorption layer,
- wherein the electron transport layer includes a first electron transport layer provided on the first surface of the light absorption layer and a second electron transport layer provided on the first electron transport layer, and
- wherein the first electron transport layer includes an inorganic metal nitride and the second electron transport layer includes an inorganic metal nitride oxide, or the first electron transport layer includes inorganic metal sulfide and the second electron transport layer includes inorganic metal sulfide oxide.
A solar cell comprising:
- a light absorption layer including a perovskite compound;
- and
- an electron transport layer provided on a first surface of the light absorption layer,
- wherein the electron transport layer includes a first electron transport layer provided on the first surface of the light absorption layer and a third electron transport layer provided on the first electron transport layer, and
- wherein the first electron transport layer includes an inorganic metal nitride or inorganic metal sulfide, and the third electron transport layer includes an inorganic metal oxide.
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A method of manufacturing a solar cell comprising:
- forming a light absorption layer including a perovskite compound;
- and
- forming an electron transport layer on a first surface of the light absorption layer,
- wherein the forming the electron transport layer comprises:
- forming an electron transport precursor layer including inorganic metal nitride or inorganic metal sulfide, and
- performing oxygen plasma treatment on the electron transport precursor layer to form a first electron transport layer including the inorganic metal nitride or the inorganic metal sulfide.
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Dependencies are inferred from the claim text.