Frontiers of Chemical Science and Engineering
>> 2021,
Volume 15,
Issue 1
doi:
10.1007/s11705-020-1917-x
RESEARCH ARTICLE
Spray-coated SnO
. Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), College of Physics, Jilin University, Changchun 130012, China.. College of Physics, Jilin University, Changchun 130012, China
Accepted: 2020-03-16
Available online: 2020-03-16
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Abstract
SnO has been proven to be an effective electron transport layer (ETL) material for perovskite solar cells (PSCs) owing to its excellent electrical and optical properties. Here, we introduce a viable spray coating method for the preparation of SnO films. Then, we employ a SnO film prepared using the spray coating method as an ETL for PSCs. The PSC based on the spray-coated SnO ETL achieves a power conversion efficiency of 17.78%, which is comparable to that of PSCs based on conventional spin-coated SnO films. The large-area SnO films prepared by spray coating exhibit good repeatability for device performance. This study shows that SnO films prepared by spray coating can be applied as ETLs for stable and high-efficiency PSCs. Because the proposed method involves low material consumption, it enables the low-cost and large-scale production of PSCs.
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