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Nanoscale
; 15(12): 5649-5654, 2023 Mar 23.
Article
in English
| MEDLINE
| ID: mdl-36857678
ABSTRACT
We demonstrate the upscaling of inkjet-printed metal halide perovskite light-emitting diodes. To achieve this, the drying process, critical for controlling the crystallization of the perovskite layer, was optimized with an airblade-like slit nozzle in a gas flow assisted vacuum drying step. This yields large, continuous perovskite layers in light-emitting diodes with an active area up to 1600 mm2.