Perovskite CH3NH3PbI3 Heterojunction Solar Cells via Ultrasonic Spray Deposition

Xiao Du; Yan Wang; Zhong Gao Xia; Hang Zhou

doi:10.4028/www.scientific.net/AMM.748.39

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 748Perovskite CH3NH3PbI3 Heterojunction Solar Cells...

Perovskite CH₃NH₃PbI₃ Heterojunction Solar Cells via Ultrasonic Spray Deposition

Abstract:

We fabricated the copper oxide (Cu₂O or Cu₃O₄)/perovskite CH₃NH₃PbI₃heterojunction solar cells via ultrasonic spray deposition technique. Perovskite CH₃NH₃PbI₃ thin films were sprayed directly from precusor solution onto a copper oxide pre-coated ITO substrate. We analyzed the properties of the as-deposited perovskite thin films. The surface morphologies of Perovskite CH₃NH₃PbI₃ thin films were examined by optical microscope, and their crystallinities were confirmed by X-ray diffraction measurements. Large CH₃NH₃PbI₃ crystal with grain size of ~20μm was observed. The solar cells device achieved a conversion efficiency of 4.13%.

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Periodical:

Applied Mechanics and Materials (Volume 748)

Pages:

39-43

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.748.39

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Online since:

April 2015

Authors:

Xiao Du, Yan Wang, Zhong Gao Xia, Hang Zhou*

Keywords:

Copper Oxide, Heterojunction, Solar Cell, Ultrasonic Spray

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