Enhanced cation interaction in perovskites for efficient tandem solar cells with silicon

Esma Ugur; Ahmed Ali Said; Pia Dally; Shanshan Zhang; Christopher E. Petoukhoff; Diego Rosas-Villalva; Shynggys Zhumagali; Bumin K. Yildirim; Arsalan Razzaq; Shruti Sarwade; Aren Yazmaciyan; Derya Baran; Frédéric Laquai; Caner Deger; Ilhan Yavuz; Thomas G. Allen; Erkan Aydin; Stefaan De Wolf

doi:10.1126/science.adp1621

Enhanced cation interaction in perovskites for efficient tandem solar cells with silicon

Esma Ugur, Ahmed Ali Said, Pia Dally, Shanshan Zhang, Christopher E. Petoukhoff, Diego Rosas-Villalva, Shynggys Zhumagali, Bumin K. Yildirim, Arsalan Razzaq, Shruti Sarwade, Aren Yazmaciyan, Derya Baran, Frédéric Laquai, Caner Deger, Ilhan Yavuz, Thomas G. Allen, Erkan Aydin, Stefaan De Wolf

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Abstract

To achieve the full potential of monolithic perovskite/silicon tandem solar cells, crystal defects and film inhomogeneities in the perovskite top cell must be minimized. We discuss the use of methylenediammonium dichloride as an additive to the perovskite precursor solution, resulting in the incorporation of in situ-formed tetrahydrotriazinium (THTZ-H+) into the perovskite lattice upon film crystallization. The cyclic nature of the THTZ-H+ cation enables a strong interaction with the lead octahedra of the perovskite lattice through the formation of hydrogen bonds with iodide in multiple directions. This structure improves the device power conversion efficiency (PCE) and phase stability of 1.68 electron volts perovskites under prolonged light and heat exposure under 1-sun illumination at 85°C. Monolithic perovskite/silicon tandems incorporating THTZ-H+ in the perovskite photo absorber reached a 33.7% independently certified PCE for a device area of 1 square centimeter.

Original language	English (US)
Pages (from-to)	533-538
Number of pages	6
Journal	Science (New York, N.Y.)
Volume	385
Issue number	6708
DOIs	https://doi.org/10.1126/science.adp1621
State	Published - Aug 2 2024

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Ugur, E., Said, A. A., Dally, P., Zhang, S., Petoukhoff, C. E., Rosas-Villalva, D., Zhumagali, S., Yildirim, B. K., Razzaq, A., Sarwade, S., Yazmaciyan, A., Baran, D., Laquai, F., Deger, C., Yavuz, I., Allen, T. G., Aydin, E., & De Wolf, S. (2024). Enhanced cation interaction in perovskites for efficient tandem solar cells with silicon. Science (New York, N.Y.), 385(6708), 533-538. https://doi.org/10.1126/science.adp1621

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title = "Enhanced cation interaction in perovskites for efficient tandem solar cells with silicon",

abstract = "To achieve the full potential of monolithic perovskite/silicon tandem solar cells, crystal defects and film inhomogeneities in the perovskite top cell must be minimized. We discuss the use of methylenediammonium dichloride as an additive to the perovskite precursor solution, resulting in the incorporation of in situ-formed tetrahydrotriazinium (THTZ-H+) into the perovskite lattice upon film crystallization. The cyclic nature of the THTZ-H+ cation enables a strong interaction with the lead octahedra of the perovskite lattice through the formation of hydrogen bonds with iodide in multiple directions. This structure improves the device power conversion efficiency (PCE) and phase stability of 1.68 electron volts perovskites under prolonged light and heat exposure under 1-sun illumination at 85°C. Monolithic perovskite/silicon tandems incorporating THTZ-H+ in the perovskite photo absorber reached a 33.7\% independently certified PCE for a device area of 1 square centimeter.",

author = "Esma Ugur and Said, \{Ahmed Ali\} and Pia Dally and Shanshan Zhang and Petoukhoff, \{Christopher E.\} and Diego Rosas-Villalva and Shynggys Zhumagali and Yildirim, \{Bumin K.\} and Arsalan Razzaq and Shruti Sarwade and Aren Yazmaciyan and Derya Baran and Fr{\'e}d{\'e}ric Laquai and Caner Deger and Ilhan Yavuz and Allen, \{Thomas G.\} and Erkan Aydin and \{De Wolf\}, Stefaan",

year = "2024",

month = aug,

day = "2",

doi = "10.1126/science.adp1621",

language = "English (US)",

volume = "385",

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Ugur, E, Said, AA, Dally, P , Zhang, S , Petoukhoff, CE , Rosas-Villalva, D , Zhumagali, S , Yildirim, BK , Razzaq, A, Sarwade, S, Yazmaciyan, A , Baran, D, Laquai, F, Deger, C, Yavuz, I, Allen, TG , Aydin, E & De Wolf, S 2024, 'Enhanced cation interaction in perovskites for efficient tandem solar cells with silicon', Science (New York, N.Y.), vol. 385, no. 6708, pp. 533-538. https://doi.org/10.1126/science.adp1621

TY - JOUR

T1 - Enhanced cation interaction in perovskites for efficient tandem solar cells with silicon

AU - Ugur, Esma

AU - Said, Ahmed Ali

AU - Dally, Pia

AU - Zhang, Shanshan

AU - Petoukhoff, Christopher E.

AU - Rosas-Villalva, Diego

AU - Zhumagali, Shynggys

AU - Yildirim, Bumin K.

AU - Razzaq, Arsalan

AU - Sarwade, Shruti

AU - Yazmaciyan, Aren

AU - Baran, Derya

AU - Laquai, Frédéric

AU - Deger, Caner

AU - Yavuz, Ilhan

AU - Allen, Thomas G.

AU - Aydin, Erkan

AU - De Wolf, Stefaan

PY - 2024/8/2

Y1 - 2024/8/2

N2 - To achieve the full potential of monolithic perovskite/silicon tandem solar cells, crystal defects and film inhomogeneities in the perovskite top cell must be minimized. We discuss the use of methylenediammonium dichloride as an additive to the perovskite precursor solution, resulting in the incorporation of in situ-formed tetrahydrotriazinium (THTZ-H+) into the perovskite lattice upon film crystallization. The cyclic nature of the THTZ-H+ cation enables a strong interaction with the lead octahedra of the perovskite lattice through the formation of hydrogen bonds with iodide in multiple directions. This structure improves the device power conversion efficiency (PCE) and phase stability of 1.68 electron volts perovskites under prolonged light and heat exposure under 1-sun illumination at 85°C. Monolithic perovskite/silicon tandems incorporating THTZ-H+ in the perovskite photo absorber reached a 33.7% independently certified PCE for a device area of 1 square centimeter.

AB - To achieve the full potential of monolithic perovskite/silicon tandem solar cells, crystal defects and film inhomogeneities in the perovskite top cell must be minimized. We discuss the use of methylenediammonium dichloride as an additive to the perovskite precursor solution, resulting in the incorporation of in situ-formed tetrahydrotriazinium (THTZ-H+) into the perovskite lattice upon film crystallization. The cyclic nature of the THTZ-H+ cation enables a strong interaction with the lead octahedra of the perovskite lattice through the formation of hydrogen bonds with iodide in multiple directions. This structure improves the device power conversion efficiency (PCE) and phase stability of 1.68 electron volts perovskites under prolonged light and heat exposure under 1-sun illumination at 85°C. Monolithic perovskite/silicon tandems incorporating THTZ-H+ in the perovskite photo absorber reached a 33.7% independently certified PCE for a device area of 1 square centimeter.

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AN - SCOPUS:85206584473

SN - 0036-8075

VL - 385

SP - 533

EP - 538

JO - Science (New York, N.Y.)

JF - Science (New York, N.Y.)

IS - 6708

ER -

Enhanced cation interaction in perovskites for efficient tandem solar cells with silicon

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