The Role of SnF2 Additive on Interface Formation in All Lead‐Free FASnI3 Perovskite Solar Cells

Tin‐based perovskites are promising alternative absorber materials for lead‐free perovskite solar cells but need strategies to avoid fast tin (Sn) oxidation. Generally, this reaction can be slowed down by the addition of tin fluoride (SnF2) to the perovskite precursor solution, which also improves t...

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Veröffentlicht in:	Advanced functional materials 2022-07, Vol.32 (28), p.n/a
Hauptverfasser:	Zillner, Julia, Boyen, Hans‐Gerd, Schulz, Philip, Hanisch, Jonas, Gauquelin, Nicolas, Verbeeck, Johan, Küffner, Johannes, Desta, Derese, Eisele, Lisa, Ahlswede, Erik, Powalla, Michael
Format:	Artikel
Sprache:	eng
Schlagworte:	hard X‐ray photoelectron spectroscopy Interlayers Materials science Oxidation Perovskites Photoelectrons Photovoltaic cells poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) Secondary ion mass spectrometry SnF 2 additives SnS interlayer Sn‐based perovskite solar cells Solar cells Spatial distribution time‐of‐flight secondary ion mass spectrometry Tin Titanium nitride
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