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Volume 17
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10.3390/ma17246059
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Communication

Improving the Antioxidant Properties of Tin-Based Perovskite for the Enhanced Performance of Near-Infrared Light-Emitting Diodes Through the Synergy of Sn and SnF2

by
Yipeng Shen
1,2,3,†,
Jianan Chen
1,3,†,
Yuhan Si
1,3,4,5,†,
Zhengguo Xiao
2,
Kai Kang
1,3,4,*,
Zhaobing Tang
1,3,6,*,
Jing Wang
5,7,* and
Chaoyu Xiang
1,3,4,*
1
Laboratory of Optoelectronic and Information Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
2
Nano Science and Technology Institute, University of Science and Technology of China, Hefei 230026, China
3
Laboratory of Optoelectronic and Information Materials and Devices, Qianwan Institute of CNITECH, Ningbo 315336, China
4
Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
5
Department of Electrical and Electronic Engineering, University of Nottingham Ningbo China, Ningbo 315000, China
6
The Institute of Advanced Displays and Imaging, Henan Academy of Sciences, Zhengzhou 450046, China
7
Nottingham Ningbo China Beacons of Excellence Research and Innovation Institute, University of Nottingham Ningbo China, Ningbo 315048, China
*
Authors to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Materials 2024, 17(24), 6059; https://doi.org/10.3390/ma17246059
Submission received: 30 October 2024 / Revised: 6 December 2024 / Accepted: 9 December 2024 / Published: 11 December 2024
(This article belongs to the Special Issue Advances in Perovskite Oxide Optoelectronic Functional Materials)
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Abstract

Tin-based perovskite has emerged as an excellent luminescent material due to its non-toxicity and narrow bandgap compared to lead-based perovskite. However, its tin ions are easily oxidized by oxygen, which leads to increased vacancy defects and poor crystallinity, presenting a significant challenge in obtaining high-quality perovskite films. In this context, we introduced an approach by synergistically adding SnF2 and tin powder into the precursor solution to enhance the antioxidation of Sn ions. This method effectively improved the crystallinity of the perovskite films, reduced the density of defect states, and enhanced the photoluminescence performance of the films. Based on these findings, we successfully fabricated tin-based near-infrared perovskite light-emitting diodes (PeLEDs). With a 20% improvement in the Sn2+ content in the film, we achieved a threefold increase in the external quantum efficiency of the devices, reaching 3.6%.
Keywords: tin-based perovskite; light-emitting diodes; synergy; antioxidant tin-based perovskite; light-emitting diodes; synergy; antioxidant
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MDPI and ACS Style

Shen, Y.; Chen, J.; Si, Y.; Xiao, Z.; Kang, K.; Tang, Z.; Wang, J.; Xiang, C. Improving the Antioxidant Properties of Tin-Based Perovskite for the Enhanced Performance of Near-Infrared Light-Emitting Diodes Through the Synergy of Sn and SnF2. Materials 2024, 17, 6059. https://doi.org/10.3390/ma17246059

AMA Style

Shen Y, Chen J, Si Y, Xiao Z, Kang K, Tang Z, Wang J, Xiang C. Improving the Antioxidant Properties of Tin-Based Perovskite for the Enhanced Performance of Near-Infrared Light-Emitting Diodes Through the Synergy of Sn and SnF2. Materials. 2024; 17(24):6059. https://doi.org/10.3390/ma17246059

Chicago/Turabian Style

Shen, Yipeng, Jianan Chen, Yuhan Si, Zhengguo Xiao, Kai Kang, Zhaobing Tang, Jing Wang, and Chaoyu Xiang. 2024. "Improving the Antioxidant Properties of Tin-Based Perovskite for the Enhanced Performance of Near-Infrared Light-Emitting Diodes Through the Synergy of Sn and SnF2" Materials 17, no. 24: 6059. https://doi.org/10.3390/ma17246059

APA Style

Shen, Y., Chen, J., Si, Y., Xiao, Z., Kang, K., Tang, Z., Wang, J., & Xiang, C. (2024). Improving the Antioxidant Properties of Tin-Based Perovskite for the Enhanced Performance of Near-Infrared Light-Emitting Diodes Through the Synergy of Sn and SnF2. Materials, 17(24), 6059. https://doi.org/10.3390/ma17246059

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