Perovskite solar cell based on double-layer Ag/SnBi alloy as cathode

Han, Shen; Wu, Fengxian; Qin, Wenjing; Cao, Huanqi; Yang, Liying; Yin, Shougen

doi:10.1016/j.jallcom.2021.161455

Cited by 10 publications

(6 citation statements)

References 29 publications

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“…They compared the stability of the devices with a single Ag electrode and Sn–Bi alloy/Ag electrode, the latter retained 88% of its initial efficiency after 7 days of storage in air, but the former degraded very fastly. [ 172 ]…”

Section: Stability Test Protocols Of Pscs Under Combined Elevated Tem...mentioning

confidence: 99%

“…They compared the stability of the devices with a single Ag electrode and Sn-Bi alloy/Ag electrode, the latter retained 88% of its initial efficiency after 7 days of storage in air, but the former degraded very fastly. [172] As described above, the common metal electrodes such as Ag, Cu, and Al et al all have potential stability problems for the longterm operation of the device. As a solution to this disadvantage, using metal barriers such as Cr, Bi to combine with the above metal electrodes may be a good choice to improve PSCs' stability.…”

Section: The Use Of Inert Electrodementioning

confidence: 99%

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Recent Advances in the Combined Elevated Temperature, Humidity, and Light Stability of Perovskite Solar Cells

et al. 2022

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Perovskite solar cells (PSCs) are promising candidates for further photovoltaic technology. However, the instability issue remains a major obstacle hampering their commercialization. Since perovskites are sensitive to external stressors including elevated temperature, humidity, and light, and the decomposition of perovskite under these combined stressors could largely aggravate and accelerate PSCs degradation, the stability aging test under combined stressors has been recognized as the harshest and the most important requirements for PSCs stability evaluation. Herein, the degradation mechanisms of PSCs at elevated temperature, humidity, and light illumination conditions are analyzed. Further, the recent progress on improving the stability of PSCs under combined stressors including 85% relative humidity/85 °C damp heat aging test and light and elevated temperature induced degradation aging test is summarized. The predictions for the further development of effective strategies for improving the stability of PSCs are provided at the end of this review.

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Section: Stability Test Protocols Of Pscs Under Combined Elevated Tem...mentioning

confidence: 99%

Section: The Use Of Inert Electrodementioning

confidence: 99%

Recent Advances in the Combined Elevated Temperature, Humidity, and Light Stability of Perovskite Solar Cells

et al. 2022

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“…The Sn-Bi alloy was fabricated by a high-temperature melting method. 136 Ag and Sn-Bi were sequentially deposited on the device surface by vacuum thermal evaporation. The Sn-Bi alloy exhibited a similar work function to Au, but a low PCE of 4.08% was obtained.…”

Section: Multilayer Electrodesmentioning

confidence: 99%

Counter electrodes for perovskite solar cells: materials, interfaces and device stability

et al. 2022

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“…However, their poor electrical conductivity inhibits the performance of the resulting PSCs. 21,22 Furthermore, carbon is anticipated to emerge as the most promising back electrode material due to its affordability, excellent chemical stability, electrical conductivity, environmental friendliness, and other advantageous properties. 23,24 However, challenges remain concerning inherent vulnerability, poor scratch resistance, high contact resistance, and issues related to charge accumulation and recombination.…”

Section: ■ Introductionmentioning

confidence: 99%

Enhancing Performance and Stability of p-i-n Perovskite Solar Cells with Ag–Cu Codeposited Alloy Electrodes

Li,

Peng,

Zhou

et al. 2024

ACS Appl. Mater. Interfaces

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In the development of back electrodes for perovskite solar cells (PSCs), the major challenges are stability and cost. To address this, we present an innovative approach: Simultaneous evaporation of two independently controlled sources of metal materials was performed to achieve a uniform distribution of the alloy electrodes. In this study, Ag−Cu alloys (the molar ratio of Ag/Cu is 7/3) with a highindex crystal face (111) and a work function matching perovskite were prepared using a codeposition technique. These properties mitigate nonradiative carrier recombination at the interface and reduce the energy barrier for carrier migration. Consequently, compared to Ag based PSCs (22.77%), the implementation of Ag−Cu alloy (Ag/Cu is 7/3)-based PSCs resulted in a power conversion efficiency of 23.72%. In a 1500 h tracking test in ambient air, the Ag−Cu alloy (Ag/Cu is 7/3)-based PSCs maintained their initial efficiency of 86%. This can be attributed to almost no migration of elements from the Ag−Cu alloy electrode to the perovskite layer. Our work presents a vital strategy for improving the stability of PSCs and reducing the costs associated with the back electrode in PSCs.

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Perovskite solar cell based on double-layer Ag/SnBi alloy as cathode

Cited by 10 publications

References 29 publications

Recent Advances in the Combined Elevated Temperature, Humidity, and Light Stability of Perovskite Solar Cells

Recent Advances in the Combined Elevated Temperature, Humidity, and Light Stability of Perovskite Solar Cells

Counter electrodes for perovskite solar cells: materials, interfaces and device stability

Enhancing Performance and Stability of p-i-n Perovskite Solar Cells with Ag–Cu Codeposited Alloy Electrodes

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