Perovskite Single-Crystal Solar Cells: Going Forward

Bekir Turedi; Vishal Yeddu; Xiaopeng Zheng; Do Young Kim; Osman Bakr; Makhsud I. Saidaminov

doi:10.1021/acsenergylett.0c02573

Perovskite Single-Crystal Solar Cells: Going Forward

Bekir Turedi, Vishal Yeddu, Xiaopeng Zheng, Do Young Kim, Osman Bakr, Makhsud I. Saidaminov

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Abstract

Most efficient perovskite solar cells are based on polycrystalline thin films; however, substantial structural disorder and defective grain boundaries place a limit on their performance. Perovskite single crystals are free of grain boundaries, leading to significantly low defect densities, and thus hold promise for high-efficiency photovoltaics. However, the surfaces of perovskite single crystals present a major performance bottleneck because they possess a higher density of traps than the bulk. Hence, it is crucial to understand and control the surface trap population to fully exploit perovskite single crystals. This Perspective highlights the importance of surface-trap management in unleashing the potential of perovskite single-crystal photovoltaics and discusses strategies to take this technology beyond the proof-of-concept stage.

Original language	English (US)
Pages (from-to)	631-642
Number of pages	12
Journal	ACS Energy Letters
DOIs	https://doi.org/10.1021/acsenergylett.0c02573
State	Published - Jan 25 2021

Bibliographical note

KAUST Repository Item: Exported on 2021-01-28
Acknowledgements: The authors acknowledge funding support from King Abdullah University of Science and Technology (KAUST) and the Natural Sciences and Engineering Research Council (NSERC) of Canada.

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10.1021/acsenergylett.0c02573

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title = "Perovskite Single-Crystal Solar Cells: Going Forward",

abstract = "Most efficient perovskite solar cells are based on polycrystalline thin films; however, substantial structural disorder and defective grain boundaries place a limit on their performance. Perovskite single crystals are free of grain boundaries, leading to significantly low defect densities, and thus hold promise for high-efficiency photovoltaics. However, the surfaces of perovskite single crystals present a major performance bottleneck because they possess a higher density of traps than the bulk. Hence, it is crucial to understand and control the surface trap population to fully exploit perovskite single crystals. This Perspective highlights the importance of surface-trap management in unleashing the potential of perovskite single-crystal photovoltaics and discusses strategies to take this technology beyond the proof-of-concept stage.",

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doi = "10.1021/acsenergylett.0c02573",

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AU - Turedi, Bekir

AU - Yeddu, Vishal

AU - Zheng, Xiaopeng

AU - Kim, Do Young

AU - Bakr, Osman

AU - Saidaminov, Makhsud I.

N1 - KAUST Repository Item: Exported on 2021-01-28 Acknowledgements: The authors acknowledge funding support from King Abdullah University of Science and Technology (KAUST) and the Natural Sciences and Engineering Research Council (NSERC) of Canada.

PY - 2021/1/25

Y1 - 2021/1/25

N2 - Most efficient perovskite solar cells are based on polycrystalline thin films; however, substantial structural disorder and defective grain boundaries place a limit on their performance. Perovskite single crystals are free of grain boundaries, leading to significantly low defect densities, and thus hold promise for high-efficiency photovoltaics. However, the surfaces of perovskite single crystals present a major performance bottleneck because they possess a higher density of traps than the bulk. Hence, it is crucial to understand and control the surface trap population to fully exploit perovskite single crystals. This Perspective highlights the importance of surface-trap management in unleashing the potential of perovskite single-crystal photovoltaics and discusses strategies to take this technology beyond the proof-of-concept stage.

AB - Most efficient perovskite solar cells are based on polycrystalline thin films; however, substantial structural disorder and defective grain boundaries place a limit on their performance. Perovskite single crystals are free of grain boundaries, leading to significantly low defect densities, and thus hold promise for high-efficiency photovoltaics. However, the surfaces of perovskite single crystals present a major performance bottleneck because they possess a higher density of traps than the bulk. Hence, it is crucial to understand and control the surface trap population to fully exploit perovskite single crystals. This Perspective highlights the importance of surface-trap management in unleashing the potential of perovskite single-crystal photovoltaics and discusses strategies to take this technology beyond the proof-of-concept stage.

UR - http://hdl.handle.net/10754/667052

UR - https://pubs.acs.org/doi/10.1021/acsenergylett.0c02573

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SN - 2380-8195

SP - 631

EP - 642

JO - ACS Energy Letters

JF - ACS Energy Letters

ER -

Perovskite Single-Crystal Solar Cells: Going Forward

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