What question did this study set out to answer?

To develop a scalable deposition and interfacial passivation method for slot-die printed tin oxide to eliminate hysteresis and boost efficiency in large-area flexible perovskite solar devices.

October 29, 2018Nature CommunicationsOpen Access

Universal passivation strategy to slot-die printed SnO2 for hysteresis-free efficient flexible perovskite solar module

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Authors

TBTongle BuWuhan University of Technology JLJing LiNorthwestern Polytechnical University FZFei ZhengNingbo University

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Implication

Experimental study demonstrates efficient hysteresis-free flexible perovskite solar modules via potassium passivation, highlighting a scalable approach for large-area flexible photovoltaics.

Key Points

To develop a scalable deposition and interfacial passivation method for slot-die printed tin oxide to eliminate hysteresis and boost efficiency in large-area flexible perovskite solar devices.
Deposited tin oxide electron transport layers onto flexible plastic substrates using scalable slot-die printing.
Applied an interfacial potassium salt passivation treatment to the tin oxide layer prior to perovskite film deposition.
Potassium cations selectively passivated interfacial trap states and facilitated perovskite grain growth, eliminating the inherent hysteresis associated with tin oxide layers.
Small-area flexible perovskite solar cells reached a power conversion efficiency of 17.18%, and large-area (5 × 6 cm²) flexible modules achieved an efficiency exceeding 15%.

Cite This Study

Bu et al. (2018) studied this question.

synapsesocial.com/papers/6a0fd8dfd13714ec96feb124 https://doi.org/10.1038/s41467-018-07099-9

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Implication

Experimental study demonstrates efficient hysteresis-free flexible perovskite solar modules via potassium passivation, highlighting a scalable approach for large-area flexible photovoltaics.

Universal passivation strategy to slot-die printed SnO2 for hysteresis-free efficient flexible perovskite solar module

Discussion

Member takes

Implication

Key Points

Cite This Study

Universal passivation strategy to slot-die printed SnO2 for hysteresis-free efficient flexible perovskite solar module

Discussion

Member takes

Implication

Key Points

Cite This Study

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