Improved air-stability of an organic-inorganic perovskite with anhydrously transferred graphene

Xinpeng Shen; Mengye Wang; Feichi Zhou; Bocheng Qiu; Lejuan Cai; Yanghui Liu; Zijian Zheng; Yang Chai

doi:10.1039/c8tc01507d

Improved air-stability of an organic-inorganic perovskite with anhydrously transferred graphene

Xinpeng Shen, Mengye Wang, Feichi Zhou, Bocheng Qiu, Lejuan Cai, Yanghui Liu, Zijian Zheng, Yang Chai

Research output: Journal article publication › Journal article › Academic research › peer-review

12 Citations (Scopus)

Abstract

The performance of organic-inorganic perovskite-based devices has rapidly increased in recent years, but the poor air-stability of perovskite materials limits their widespread applications. Here we report a strategy to enhance the air-stability of the CH ₃ NH ₃ PbI ₃ (MAPbI ₃ ) perovskite with trilayer graphene on top of it by an anhydrous transfer method. Our morphological characterization shows good adhesion at the interface of the graphene/perovskite film. The time dependent X-ray diffraction spectra of perovskite films demonstrate enhanced stability of graphene-coated films during exposure to the ambient environment. The protected perovskite film is also evidenced by photoluminescence and absorbance measurements. This graphene transfer method without the use of water has the potential to enhance the air-stability of perovskites as well as other moisture sensitive materials.

Original language	English
Pages (from-to)	8663-8669
Number of pages	7
Journal	Journal of Materials Chemistry C
Volume	6
Issue number	32
DOIs	https://doi.org/10.1039/c8tc01507d
Publication status	Published - 1 Jan 2018

ASJC Scopus subject areas

General Chemistry
Materials Chemistry

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10.1039/c8tc01507d

Cite this

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abstract = " The performance of organic-inorganic perovskite-based devices has rapidly increased in recent years, but the poor air-stability of perovskite materials limits their widespread applications. Here we report a strategy to enhance the air-stability of the CH 3 NH 3 PbI 3 (MAPbI 3 ) perovskite with trilayer graphene on top of it by an anhydrous transfer method. Our morphological characterization shows good adhesion at the interface of the graphene/perovskite film. The time dependent X-ray diffraction spectra of perovskite films demonstrate enhanced stability of graphene-coated films during exposure to the ambient environment. The protected perovskite film is also evidenced by photoluminescence and absorbance measurements. This graphene transfer method without the use of water has the potential to enhance the air-stability of perovskites as well as other moisture sensitive materials. ",

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AU - Shen, Xinpeng

AU - Wang, Mengye

AU - Zhou, Feichi

AU - Qiu, Bocheng

AU - Cai, Lejuan

AU - Liu, Yanghui

AU - Zheng, Zijian

AU - Chai, Yang

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Y1 - 2018/1/1

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AB - The performance of organic-inorganic perovskite-based devices has rapidly increased in recent years, but the poor air-stability of perovskite materials limits their widespread applications. Here we report a strategy to enhance the air-stability of the CH 3 NH 3 PbI 3 (MAPbI 3 ) perovskite with trilayer graphene on top of it by an anhydrous transfer method. Our morphological characterization shows good adhesion at the interface of the graphene/perovskite film. The time dependent X-ray diffraction spectra of perovskite films demonstrate enhanced stability of graphene-coated films during exposure to the ambient environment. The protected perovskite film is also evidenced by photoluminescence and absorbance measurements. This graphene transfer method without the use of water has the potential to enhance the air-stability of perovskites as well as other moisture sensitive materials.

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Improved air-stability of an organic-inorganic perovskite with anhydrously transferred graphene

Abstract

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