Damp heat-stable perovskite solar cells with tailored-dimensionality 2D/3D heterojunctions

R Azmi; E Ugur; A Seitkhan; F Aljamaan; AS Subbiah; J Liu; GT Harrison; M Nugraha; MK Eswaran; M Babics; Y Chen; FZ Xu; TG Allen; AU Rehman; CL Wang; TD Anthopoulos; U Schwingenschlögl; M De Bastiani; E Aydin; S De Wolf

doi:10.1126/science.abm5784

Damp heat-stable perovskite solar cells with tailored-dimensionality 2D/3D heterojunctions

R Azmi, E Ugur, A Seitkhan, F Aljamaan, AS Subbiah, J Liu, GT Harrison, M Nugraha, MK Eswaran, M Babics, Y Chen, FZ Xu, TG Allen, AU Rehman, CL Wang, TD Anthopoulos, U Schwingenschlögl, M De Bastiani, E Aydin, S De Wolf

Research output: Contribution to journal › Article › peer-review

Abstract

If perovskite solar cells (PSCs) with high power conversion efficiencies (PCEs) are to be commercialized, they must achieve long-term stability, which is usually assessed with accelerated degradation tests. One of the persistent obstacles for PSCs has been successfully passing the damp-heat test (85°C and 85% relative humidity), which is the standard for verifying the stability of commercial photovoltaic (PV) modules. We fabricated damp heat-stable PSCs by tailoring the dimensional fragments of two-dimensional perovskite layers formed at room temperature with oleylammonium iodide molecules; these layers passivate the perovskite surface at the electron-selective contact. The resulting inverted PSCs deliver a 24.3% PCE and retain >95% of their initial value after >1000 hours at damp-heat test conditions, thereby meeting one of the critical industrial stability standards for PV modules.

Original language	English
Pages (from-to)	73-+
Number of pages	35
Journal	Science
Volume	376
Issue number	6588
DOIs	https://doi.org/10.1126/science.abm5784
Publication status	Published - 1 Apr 2022

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Azmi, R., Ugur, E., Seitkhan, A., Aljamaan, F., Subbiah, AS., Liu, J., Harrison, GT., Nugraha, M., Eswaran, MK., Babics, M., Chen, Y., Xu, FZ., Allen, TG., Rehman, AU., Wang, CL., Anthopoulos, TD., Schwingenschlögl, U., De Bastiani, M., Aydin, E., & De Wolf, S. (2022). Damp heat-stable perovskite solar cells with tailored-dimensionality 2D/3D heterojunctions. Science, 376(6588), 73-+. https://doi.org/10.1126/science.abm5784

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abstract = "If perovskite solar cells (PSCs) with high power conversion efficiencies (PCEs) are to be commercialized, they must achieve long-term stability, which is usually assessed with accelerated degradation tests. One of the persistent obstacles for PSCs has been successfully passing the damp-heat test (85°C and 85% relative humidity), which is the standard for verifying the stability of commercial photovoltaic (PV) modules. We fabricated damp heat-stable PSCs by tailoring the dimensional fragments of two-dimensional perovskite layers formed at room temperature with oleylammonium iodide molecules; these layers passivate the perovskite surface at the electron-selective contact. The resulting inverted PSCs deliver a 24.3% PCE and retain >95% of their initial value after >1000 hours at damp-heat test conditions, thereby meeting one of the critical industrial stability standards for PV modules.",

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Azmi, R, Ugur, E, Seitkhan, A, Aljamaan, F, Subbiah, AS, Liu, J, Harrison, GT, Nugraha, M, Eswaran, MK, Babics, M, Chen, Y, Xu, FZ, Allen, TG, Rehman, AU, Wang, CL, Anthopoulos, TD, Schwingenschlögl, U, De Bastiani, M, Aydin, E & De Wolf, S 2022, 'Damp heat-stable perovskite solar cells with tailored-dimensionality 2D/3D heterojunctions', Science, vol. 376, no. 6588, pp. 73-+. https://doi.org/10.1126/science.abm5784

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AU - Azmi, R

AU - Ugur, E

AU - Seitkhan, A

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AU - Subbiah, AS

AU - Liu, J

AU - Harrison, GT

AU - Nugraha, M

AU - Eswaran, MK

AU - Babics, M

AU - Chen, Y

AU - Xu, FZ

AU - Allen, TG

AU - Rehman, AU

AU - Wang, CL

AU - Anthopoulos, TD

AU - Schwingenschlögl, U

AU - De Bastiani, M

AU - Aydin, E

AU - De Wolf, S

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Damp heat-stable perovskite solar cells with tailored-dimensionality 2D/3D heterojunctions

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