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Volume 56
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10.3390/ASEC2023-15403
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Proceeding Paper

Effects of Copper Substitution in Methylammonium-Based Perovskite Solar Cells †

by
Riku Okumura
1,
Takeo Oku
1,*,
Atsushi Suzuki
1,
Sakiko Fukunishi
2,
Tomoharu Tachikawa
2 and
Tomoya Hasegawa
2
1
Department of Materials Chemistry, The University of Shiga Prefecture, 2500 Hassaka, Hikone, Shiga 522-8533, Japan
2
Osaka Gas Chemicals Co., Ltd., 5-11-61 Torishima, Konohana-ku, Osaka 554-0051, Japan
*
Author to whom correspondence should be addressed.
†
Presented at the 4th International Electronic Conference on Applied Sciences, 27 October–10 November 2023; Available online: https://asec2023.sciforum.net/.
Eng. Proc. 2023, 56(1), 47; https://doi.org/10.3390/ASEC2023-15403
Published: 27 October 2023
(This article belongs to the Proceedings of The 4th International Electronic Conference on Applied Sciences)
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Abstract

The addition of copper bromide to the perovskite precursor solutions increased the conversion efficiencies of the devices. On the other hand, the short-circuit current densities decreased with an increase in the added amounts of copper (Cu). From first-principles calculations, the partial substitution of lead with Cu resulted in the formation of a Cu d orbital energy level in the forbidden band, which worked as a recombination center, causing the generated carriers to disappear. Experiments and calculations show the effects of Cu substitution on the electronic structures and the ability of the addition of Cu compounds to further improve the device performance.
Keywords: copper; first-principles calculations; perovskite; solar cell copper; first-principles calculations; perovskite; solar cell

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MDPI and ACS Style

Okumura, R.; Oku, T.; Suzuki, A.; Fukunishi, S.; Tachikawa, T.; Hasegawa, T. Effects of Copper Substitution in Methylammonium-Based Perovskite Solar Cells. Eng. Proc. 2023, 56, 47. https://doi.org/10.3390/ASEC2023-15403

AMA Style

Okumura R, Oku T, Suzuki A, Fukunishi S, Tachikawa T, Hasegawa T. Effects of Copper Substitution in Methylammonium-Based Perovskite Solar Cells. Engineering Proceedings. 2023; 56(1):47. https://doi.org/10.3390/ASEC2023-15403

Chicago/Turabian Style

Okumura, Riku, Takeo Oku, Atsushi Suzuki, Sakiko Fukunishi, Tomoharu Tachikawa, and Tomoya Hasegawa. 2023. "Effects of Copper Substitution in Methylammonium-Based Perovskite Solar Cells" Engineering Proceedings 56, no. 1: 47. https://doi.org/10.3390/ASEC2023-15403

APA Style

Okumura, R., Oku, T., Suzuki, A., Fukunishi, S., Tachikawa, T., & Hasegawa, T. (2023). Effects of Copper Substitution in Methylammonium-Based Perovskite Solar Cells. Engineering Proceedings, 56(1), 47. https://doi.org/10.3390/ASEC2023-15403

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