Efficiency Enhancement of Perovskite Solar Cells by Pumping Away the Solvent of Precursor Film Before Annealing

Qing Yang Xu; Da Xing Yuan; Hao Ran Mu; Femi Igbari; Qiaoliang Bao; Liang Sheng Liao

doi:10.1186/s11671-016-1467-9

Efficiency Enhancement of Perovskite Solar Cells by Pumping Away the Solvent of Precursor Film Before Annealing

Qing Yang Xu, Da Xing Yuan, Hao Ran Mu, Femi Igbari, Qiaoliang Bao, Liang Sheng Liao

Research output: Contribution to journal › Article › Research › peer-review

13 Citations (Scopus)

Abstract

A new approach to improve the quality of MAPbI_{3 − x}Cl_x perovskite film was demonstrated. It involves annealing the precursor film after pumping away the solvent, which can decrease the influence of solvent evaporation rate for the growth of the MAPbI_{3 − x}Cl_x perovskite film. The resulting film showed improved morphology, stronger absorption, fewer crystal defects, and smaller charge transfer resistance. The corresponding device demonstrated enhanced performance when compared with a reference device. The averaged value of power conversion efficiency increased from 10.61 to 12.56 %, and a champion efficiency of 14.0 % was achieved. This work paves a new way to improve the efficiency of perovskite solar cells.

Original language	English
Article number	248
Number of pages	6
Journal	Nanoscale Research Letters
Volume	11
Issue number	1
DOIs	https://doi.org/10.1186/s11671-016-1467-9
Publication status	Published - 1 Dec 2016
Externally published	Yes

Keywords

High-quality MAPbICl layer
Perovskite solar cells
Pump away the solvent

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10.1186/s11671-016-1467-9Licence: CC BY

177837743-oaFinal published version, 1.33 MBLicence: CC BY

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AU - Xu, Qing Yang

AU - Yuan, Da Xing

AU - Mu, Hao Ran

AU - Igbari, Femi

AU - Bao, Qiaoliang

AU - Liao, Liang Sheng

PY - 2016/12/1

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N2 - A new approach to improve the quality of MAPbI3 − xClx perovskite film was demonstrated. It involves annealing the precursor film after pumping away the solvent, which can decrease the influence of solvent evaporation rate for the growth of the MAPbI3 − xClx perovskite film. The resulting film showed improved morphology, stronger absorption, fewer crystal defects, and smaller charge transfer resistance. The corresponding device demonstrated enhanced performance when compared with a reference device. The averaged value of power conversion efficiency increased from 10.61 to 12.56 %, and a champion efficiency of 14.0 % was achieved. This work paves a new way to improve the efficiency of perovskite solar cells.

AB - A new approach to improve the quality of MAPbI3 − xClx perovskite film was demonstrated. It involves annealing the precursor film after pumping away the solvent, which can decrease the influence of solvent evaporation rate for the growth of the MAPbI3 − xClx perovskite film. The resulting film showed improved morphology, stronger absorption, fewer crystal defects, and smaller charge transfer resistance. The corresponding device demonstrated enhanced performance when compared with a reference device. The averaged value of power conversion efficiency increased from 10.61 to 12.56 %, and a champion efficiency of 14.0 % was achieved. This work paves a new way to improve the efficiency of perovskite solar cells.

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Efficiency Enhancement of Perovskite Solar Cells by Pumping Away the Solvent of Precursor Film Before Annealing

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Keywords

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