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HomeKey Engineering MaterialsKey Engineering Materials Vol. 860Inorganic-Organic Hybrid Perovskite Solar Cells...

Inorganic-Organic Hybrid Perovskite Solar Cells Fabricated with Additives

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Abstract:

We have studied the effect of lead (II) cyanate Pb (OCN)₂ additive on photovoltaic properties of inverted planar solar cells based on inorganic-organic hybrid perovskite CH₃NH₃PbI₃. The active layers of the solar cells were fabricated with a reaction between CH₃NH₃I and a mixture of PbI₂ and Pb (OCN)₂. The highest power conversion efficiency was 15%. Hysteresis behaviors in JV curves were reduced. The lifetime of the solar cells was dramatically increased. SEM images indicated that crystallite sizes were enlarged. The OCN groups were not incorporated into crystals from infrared measurements. These results suggest that Pb (OCN)₂ affect mainly the crystallization process of CH₃NH₃PbI₃.

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Physics Symposium: Key Research in Materials Science

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Periodical:

Key Engineering Materials (Volume 860)

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3-8

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.860.3

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Online since:

August 2020

Authors:

Yukio Furukawa*, Seiya Ikawa, Hanako Kiyohara, Yuki Sendai, Ayi Bahtiar

Keywords:

Additive, High Stability, Pb (OCN)₂, Perovskite Solar Cell

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© 2020 Trans Tech Publications Ltd. All Rights Reserved

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