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Assessing the Impact of Ambient Fabrication Temperature on the Performance of Planar CH 3 NH 3 PbI 3 Perovskite Solar Cells
Author(s) -
Molenda Zuzanna,
Chambon Sylvain,
Bassani Dario M.,
Hirsch Lionel
Publication year - 2021
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.202100329
Subject(s) - fabrication , materials science , perovskite (structure) , energy conversion efficiency , crystallization , electroluminescence , band gap , planar , chemical engineering , analytical chemistry (journal) , optoelectronics , nanotechnology , chemistry , organic chemistry , medicine , alternative medicine , computer graphics (images) , pathology , layer (electronics) , computer science , engineering
The ambient fabrication temperature inside the glove box is found to play an important role in determining the overall power conversion efficiency in solar cells based on CH 3 NH 3 PbI 3 (MAPI) hybrid organic‐inorganic perovskites. We find that a variation of the ambient temperature of only 10 °C during the fabrication process has a crucial impact on both the reproducibility and the efficiency of the devices. Atomic Force Microscopy, XRD, UV‐Vis absorption spectroscopy, and electroluminescence studies have been carried out to investigate the origin of this behavior. We conclude that the partial vapor pressure variation of the solvent impacts the crystallization process, inducing an increased density of traps within the bandgap of the perovskite.

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