Inkjet-Printed Red-Emitting Flexible LEDs Based on Sustainable Inks of Layered Tin Iodide Perovskite
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INVESTIGACIONMetadata
Title
Inkjet-Printed Red-Emitting Flexible LEDs Based on Sustainable Inks of Layered Tin Iodide PerovskiteAuthor (s)
Date
2024Publisher
WileyISSN
2366-7486Bibliographic citation
G. Vescio, D. N. Dirin, S. González-Torres, J. Sanchez-Diaz, R. Vidal, I. P. Franco, S. D. Adhikari, V. S. Chirvony, J. P. Martínez-Pastor, F. A. Vinocour Pacheco, L. Przypis, S. Öz, S. Hernández, A. Cirera, I. Mora-Seró, M. V. Kovalenko, B. Garrido, Inkjet-Printed Red-Emitting Flexible LEDs Based on Sustainable Inks of Layered Tin Iodide Perovskite. Adv. Sustainable Syst. 2024, 2400060. https://doi.org/10.1002/adsu.202400060Type
info:eu-repo/semantics/articlePublisher version
https://onlinelibrary.wiley.com/doi/full/10.1002/adsu.202400060Version
info:eu-repo/semantics/publishedVersionSubject
Abstract
Inkjet printing has emerged as a promising technique for the fabrication of halide perovskite (HP) thin films, as it enables precise and controlled deposition of the perovskite ink on a variety of substrates. One main ... [+]
Inkjet printing has emerged as a promising technique for the fabrication of halide perovskite (HP) thin films, as it enables precise and controlled deposition of the perovskite ink on a variety of substrates. One main advantage of inkjet printing for the fabrication of HP thin films is its ability to produce uniform films with controlled thickness and high coverage, which is critical for achieving high-performance devices. Additionally, inkjet printing allows for the deposition of patterned thin films, enabling the fabrication of complex device architectures such as light-emitting diodes (LEDs). In this work, flexible LEDs based on inkjet printed Pb-free HP thiophene-ethylammonium tin iodide (TEA2SnI4) are produced that has gained attention as a potential alternative to Pb-based HPs in optoelectronic devices due to its lower toxicity, environmental impact, and high performance. The role of ink solutions is compared using pure solvents: toxic dimethyl formamide (DMF) and more eco-friendly dimethyl sulfoxide (DMSO). Red-emitting devices (λmax = 633 nm) exhibit, in ambient conditions, a maximum external quantum efficiency (EQEmax) of 0.5% with a related brightness of 21 cd m−2 at 54 mA cm−2 for DMSO-based LEDs. The environmental impacts of films prepared with DMSO-based solvents ensure only 40% of the impact caused by DMF. [-]
Is part of
Advanced Sustainable Systems, 2024Funder Name
European Commission | Ministerio de Ciencia e Innovación | Generalitat Valenciana
Funder ID
http://dx.doi.org/10.13039/501100011033
Project code
info:eu-repo/grantAgreement/EC/H2020/862656 | MCIN/PEICTI2021-2023/PID2022-140978OB-I00 | MCIN/PEICTI2021-2023/PDC2023-145804-I00 | MCIN/PEICTI2021-2023/PID2022-140090OB-C21 | MFA/2022/020
Project title or grant
Tecnologías disruptivas para LEDs y Displays basadas en impresión Inkjet de perovskitas libres de plomo | Desarrollo de diodos emisores de luz de perovskitas de haluro con estabilidad mejorada
Rights
info:eu-repo/semantics/openAccess
This item appears in the folowing collection(s)
- EMC_Articles [820]
- INAM_Articles [521]
Except where otherwise noted, this item's license is described as © 2024 The Authors. Advanced Sustainable Systems published byWiley-VCH GmbH. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License,which permits use and distribution in any medium, provided the originalwork is properly cited, the use is non-commercial and no modificationsor adaptations are made.