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Introduction of a Bifunctional Cation Affords Perovskite Solar Cells Stable at Temperatures Exceeding 80 degrees C
Journal article

Introduction of a Bifunctional Cation Affords Perovskite Solar Cells Stable at Temperatures Exceeding 80 degrees C

Erfan Shirzadi, Arup Mahata, Cristina Roldan Carmona, Filippo De Angelis, Paul J. Dyson and Mohammad Khaja Nazeeruddin
ACS energy letters, Vol.4(12), pp.2989-2994
02/01/2020
DOI: https://doi.org/10.1021/acsenergylett.9b01975

Abstract

Chemistry Chemistry, Physical Electrochemistry Energy & Fuels Materials Science Materials Science, Multidisciplinary Nanoscience & Nanotechnology Physical Sciences Science & Technology Science & Technology - Other Topics Technology
Perovskite solar cells (PSCs) with high efficiencies have been reported in recent years. Consequently, the main obstacle that hinders their commercialization is their poor thermal stability. Here, we describe the introduction of an A-site cation (2-choloroethylammonium) that affords an ABX(3) perovskite, which is stable at high temperatures (>80 degrees C) while achieving efficiencies > 19% in methylammonium lead iodide (MAPI)-based PSCs.

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