Interfacial Embedding for High‐Efficiency and Stable Methylammonium‐Free Perovskite Solar Cells with Fluoroarene Hydrazine

Perovskite solar cells (PSCs) with state‐of‐the‐art efficiencies contain thermally unstable methylammonium (MA). Here, interfacial passivation with pentafluorophenylhydrazine (5F‐PHZ) to fabricate efficient and stable MA/Br‐free PSCs is introduced. The 5F‐PHZ surface treatment quenches the PbI2 and...

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Veröffentlicht in:	Advanced energy materials 2022-10, Vol.12 (38), p.n/a
Hauptverfasser:	Khadka, Dhruba B., Shirai, Yasuhiro, Yanagida, Masatoshi, Tadano, Terumasa, Miyano, Kenjiro
Format:	Artikel
Sprache:	eng
Schlagworte:	Carrier lifetime Crystal defects defects Embedding Energy conversion efficiency fluoroarene Grain boundaries halogen bonding Hydrazines Ion migration MA‐free Modulation Passivity Perovskites Photovoltaic cells Solar cells surface passivation Surface treatment System effectiveness Thermal stability
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