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Outdoor Performance and Stability under Elevated Temperatures and Long‐Term Light Soaking of Triple‐Layer Mesoporous Perovskite Photovoltaics
Author(s) -
Li Xiong,
Tschumi Manuel,
Han Hongwei,
Babkair Saeed Salem,
Alzubaydi Raysah Ali,
Ansari Azhar Ahmad,
Habib Sami S.,
Nazeeruddin Mohammad Khaja,
Zakeeruddin Shaik M.,
Grätzel Michael
Publication year - 2015
Publication title -
energy technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.91
H-Index - 44
eISSN - 2194-4296
pISSN - 2194-4288
DOI - 10.1002/ente.201500045
Subject(s) - materials science , photovoltaics , perovskite (structure) , triiodide , degradation (telecommunications) , mesoporous material , moisture , layer (electronics) , photovoltaic system , chemical engineering , nanotechnology , composite material , chemistry , dye sensitized solar cell , computer science , electrolyte , electrical engineering , biochemistry , engineering , catalysis , telecommunications , electrode
Lack of proven stability has become a major obstacle on the path of metal halide perovskite solar cells (PSCs), in particular methylammonium lead triiodide (MAPbI 3 ), towards commercial viability. This correlates with the intrinsic affinity of MAPbI 3 towards moisture and ambient air in particular, leading to its degradation in ambient conditions. We performed extensive stability tests to prove the durability of hole‐conductor‐free PSCs based on a triple‐layer architecture employing carbon as a back contact, including outdoor tests in the hot desert climate and indoor long‐term light soaking as well as heat exposure during 3 months at 80–85 °C. These results show no evidence for device degradation under the test conditions, confirming that the triple‐layer device architecture provides a promising path towards realizing efficient and stable perovskite photovoltaics.