Preparing Ambient-Processed Perovskite Solar Cells with Better Electronic Properties via Preheating Assisted One-Step Deposition Method

Although the power conversion efficiency (PCE) of perovskite solar cells (PSCs) increases rapidly, there are still some issues that limit their commercialization. The perovskite is sensitive to the water molecules, increasing the difficulty in the preparation of perovskite films in ambient condition...

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Published inNanoscale research letters Vol. 15; no. 1; p. 178
Main Authors Zhang, Xi, Yang, Wenyao, Qi, Jingjing, Hu, Yinggang
Format Journal Article
LanguageEnglish
Published New York Springer US 16.09.2020
Springer Nature B.V
SpringerOpen
Subjects
Ambient condition
Chemistry and Materials Science
Commercialization
Crystallinity
Deposition
Energy conversion efficiency
Fabrication
Heat-assisted one-step method
Heating
Inert atmospheres
Materials Science
Metal halide perovskite materials and devices
Molecular Medicine
Nano Express
Nanochemistry
Nanoscale Science and Technology
Nanotechnology
Nanotechnology and Microengineering
Perovskite solar cells
Perovskites
Photovoltaic cells
Solar cells
Solar power
Substrates
Water chemistry
Ambient condition
Heat-assisted one-step method
Crystallinity
Perovskite solar cells
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Summary:Although the power conversion efficiency (PCE) of perovskite solar cells (PSCs) increases rapidly, there are still some issues that limit their commercialization. The perovskite is sensitive to the water molecules, increasing the difficulty in the preparation of perovskite films in ambient condition. Most high-performance PSCs based on conventional method are required to be prepared in inert atmosphere condition, which increase the fabrication cost. To fabricate the high-quality perovskite in ambient condition, we preheated the substrates and selected the proper anti-solvent. As a result, the target perovskite films show a better crystallinity compared with perovskite film prepared via the conventional one-step deposition method in ambient condition. The PSCs prepared in ambient condition yield the improved PCE of 16.89% from a PCE of 11.59%. Compared with the reference devices, the performance stability of target PSCs is much better than that of reference PSCs.
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ISSN:1556-276X
1931-7573
1556-276X
DOI:10.1186/s11671-020-03407-9