气相辅助刮刀涂布法制备钙钛矿薄膜

李今朝; 曹焕奇; 张超; 杨利营; 印寿根

doi:10.3788/CO.20191205.1028

Volume 12 Issue 5

Oct. 2019

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Article Contents

Chinese Optics > 2019 > 12(5): 1028-1039.

LI Jin-zhao, CAO Huan-qi, ZHANG Chao, YANG Li-ying, YIN Shou-gen. Vapor assisted doctor blading process to fabricate perovskite thin films[J]. Chinese Optics, 2019, 12(5): 1028-1039. doi: 10.3788/CO.20191205.1028

Citation:

LI Jin-zhao, CAO Huan-qi, ZHANG Chao, YANG Li-ying, YIN Shou-gen. Vapor assisted doctor blading process to fabricate perovskite thin films[J]. Chinese Optics, 2019, 12(5): 1028-1039. doi: 10.3788/CO.20191205.1028

Citation:

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Vapor assisted doctor blading process to fabricate perovskite thin films

doi: 10.3788/CO.20191205.1028

LI Jin-zhao^{1, 2
,},
CAO Huan-qi^{1, 2
,
,},
ZHANG Chao³,
YANG Li-ying^{1, 2},
YIN Shou-gen^{1, 2}

1.
Key Laboratory of Display Materials and Photoelectric Devices(Ministry of Education and Tianjin Government), School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
2.
Tianjin Key Laboratory for Photoelectric Materials and Devices & National Demonstration Center for Experimental Function Materials Education, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
3.
No. 18 th Research Institute of China Electronics Technology Group Corporation, Tianjin 300384, China

Funds:

National Natural Science Foundation of China 61504097

Natural Science Foundation of Tianjin 17JCYBJC21000

Natural Science Foundation of Tianjin 18JCZDJC96900

Technical Expert 18JCTPJC49900

the Scientific Developing Foundation of the Tianjin Education Commission 2017ZD14

the Scientific Developing Foundation of the Tianjin Education Commission 2018ZD09

More Information

Corresponding author: CAO Huan-qi, E-mail:caoh@tjut.edu.cn
Received Date: 07 Jan 2019
Rev Recd Date: 28 Feb 2019
Publish Date: 01 Oct 2019

Abstract

Abstract

Perovskite solar cells(PSCs) have attracted widespread attention due to their high efficiency and easy preparation with solution method. Normally, perovskite thin films are prepared via spin coating. Spin coating is not suitable for large-area preparation due to its drawbacks, including nonuniformity of film thickness and excessive waste of materials. Large-area preparation of uniform perovskite solar cells is still a big challenge today. Therefore, a vapor-assisted doctor blading(VADB) process is demonstrated here to prepare large-area and highly crystallized perovskite thin films. In addition, by changing the concentration of the precursor solution, perovskite films of different thicknesses are produced. Furthermore, we find that the performance of PSCs with a precursor concentration of 1.0 M is the best. The devices show the highest efficiencies of 17.76%(average 16.9%) and 16.3% under simulated AM1.5G(100 mW/cm²) solar light on an active area of 0.112 5 cm² and 1.0 cm², respectively. This provides a new possible way for the large-area preparation of PSCs.
- perovskite solar cell,
- vapor assisted doctor blading,
- large area

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References(47)

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