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Volume 8
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10.3390/coatings8120461
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Article

Effects of Decaphenylcyclopentasilane Addition on Photovoltaic Properties of Perovskite Solar Cells

by
Masaya Taguchi
1,
Atsushi Suzuki
1,
Takeo Oku
1,*,
Sakiko Fukunishi
2,
Satoshi Minami
2 and
Masanobu Okita
2
1
Department of Materials Science, The University of Shiga Prefecture, 2500 Hassaka, Hikone, Shiga 522-8533, Japan
2
Frontier Materials Laboratories, Osaka Gas Chemicals Co., Ltd., Osaka 554-0051, Japan
*
Author to whom correspondence should be addressed.
Coatings 2018, 8(12), 461; https://doi.org/10.3390/coatings8120461
Submission received: 8 November 2018 / Revised: 4 December 2018 / Accepted: 10 December 2018 / Published: 13 December 2018
(This article belongs to the Collection Surface and Interface Science and Engineering for the Society of the Future)
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Abstract

Perovskite solar cells, in which decaphenylcyclopentasilane (DPPS) layers were formed on the surface of the perovskite layer, were fabricated, and the influence on photovoltaic characteristics was investigated. The devices were fabricated by a spin-coating technique, and the surface morphology and crystal structures were investigated by scanning electron microscopy and X-ray diffraction. By adding the DPPS, the fill factor and open circuit voltage were increased, and the photoelectric conversion efficiency was improved. A stability test in ambient air was carried out for seven weeks, and the photoelectric conversion efficiencies were remarkably improved for the devices with DPPS.
Keywords: perovskite solar cells; polysilane derivative; stability perovskite solar cells; polysilane derivative; stability

Share and Cite

MDPI and ACS Style

Taguchi, M.; Suzuki, A.; Oku, T.; Fukunishi, S.; Minami, S.; Okita, M. Effects of Decaphenylcyclopentasilane Addition on Photovoltaic Properties of Perovskite Solar Cells. Coatings 2018, 8, 461. https://doi.org/10.3390/coatings8120461

AMA Style

Taguchi M, Suzuki A, Oku T, Fukunishi S, Minami S, Okita M. Effects of Decaphenylcyclopentasilane Addition on Photovoltaic Properties of Perovskite Solar Cells. Coatings. 2018; 8(12):461. https://doi.org/10.3390/coatings8120461

Chicago/Turabian Style

Taguchi, Masaya, Atsushi Suzuki, Takeo Oku, Sakiko Fukunishi, Satoshi Minami, and Masanobu Okita. 2018. "Effects of Decaphenylcyclopentasilane Addition on Photovoltaic Properties of Perovskite Solar Cells" Coatings 8, no. 12: 461. https://doi.org/10.3390/coatings8120461

APA Style

Taguchi, M., Suzuki, A., Oku, T., Fukunishi, S., Minami, S., & Okita, M. (2018). Effects of Decaphenylcyclopentasilane Addition on Photovoltaic Properties of Perovskite Solar Cells. Coatings, 8(12), 461. https://doi.org/10.3390/coatings8120461

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