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- Title
Fully Inkjet‐Printed Green‐Emitting PEDOT:PSS/NiO/Colloidal CsPbBr<sub>3</sub>/SnO<sub>2</sub> Perovskite Light‐Emitting Diode on Rigid and Flexible Substrates.
- Authors
Vescio, Giovanni; Mathiazhagan, Gayathri; González-Torres, Sergio; Sanchez-Diaz, Jesús; Villaueva-Antolí, Alexis; Sánchez, Rafael S.; Gualdrón–Reyes, Andrés F.; Oszajca, Marek; Linardi, Flavio; Hauser, Alina; Vinocour-Pacheco, Felipe A.; Żuraw, Wiktor; Öz, Senol; Hernández, Sergi; Mora‐Seró, Iván; Cirera, Albert; Garrido, Blas
- Abstract
After establishing themselves as promising active materials in the field of solar cells, halide perovskites are currently being explored for fabrication of low‐cost, easily processable, and highly efficient light‐emitting diodes (LEDs). Despite this, the highest efficiencies reported for perovskite‐based LEDs (PeLEDs) are achieved through spin coating or vacuum evaporation deposition techniques, which are not adequate, in most of the cases, for an industrial‐scale production. Additionally, the long‐term stability is still a big handicap, even though all inorganic perovskites, such as CsPbBr3, are found to be more stable to external variables. In this context, herein, the fabrication of fully inkjet‐printed (IJP) CsPbBr3‐based PeLEDs in ambient conditions, on rigid and flexible substrates, on a proof‐of‐concept basis, with the successful incorporation of NiO and SnO2 as hole‐ and electron‐selective contacts, respectively, is reported. Despite the moderate luminance (324 cd m−2) value obtained, this result paves the way toward the development of upscalable fabrication of PeLEDs based on deposition techniques with controlled spatial resolution.
- Subjects
LIGHT emitting diodes; PHOTOVOLTAIC power systems; VACUUM deposition; PEROVSKITE; SPIN coating; SOLAR cells; SPATIAL resolution
- Publication
Advanced Engineering Materials, 2023, Vol 25, Issue 21, p1
- ISSN
1438-1656
- Publication type
Article
- DOI
10.1002/adem.202300927