Cesium-Incorporated Triple Cation Perovskites Deliver Fully Reversible and Stable Nanoscale Voltage Response

Perovskite solar cells that incorporate small concentrations of Cs in their A-site have shown increased lifetime and improved device performance. Yet, the development of fully stable devices operating near the theoretical limit requires understanding how Cs influences perovskites’ electrical propert...

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Veröffentlicht in:ACS nano 2019-02, Vol.13 (2), p.1538-1546, Article acsnano.8b07295
Hauptverfasser: Tennyson, Elizabeth M, Roose, Bart, Garrett, Joseph L, Gong, Chen, Munday, Jeremy N, Abate, Antonio, Leite, Marina S
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creator Tennyson, Elizabeth M
Roose, Bart
Garrett, Joseph L
Gong, Chen
Munday, Jeremy N
Abate, Antonio
Leite, Marina S
description Perovskite solar cells that incorporate small concentrations of Cs in their A-site have shown increased lifetime and improved device performance. Yet, the development of fully stable devices operating near the theoretical limit requires understanding how Cs influences perovskites’ electrical properties at the nanoscale. Here, we determine how the chemical composition of three perovskites (MAPbBr3, MAPbI3, and Cs-mixed) affects their short- and long-term voltage stabilities, with
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title Cesium-Incorporated Triple Cation Perovskites Deliver Fully Reversible and Stable Nanoscale Voltage Response
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