2D PEA2SnI4 Inkjet-Printed Halide Perovskite LEDs on Rigid and Flexible Substrates

Giovanni Vescio; Jesus Sanchez-Diaz; Juan Luis Frieiro; Rafael S Sánchez; Sergi Hernández; Albert Cirera; Iván Mora-Seró; Blas Garrido

doi:10.1021/acsenergylett.2c01773

2D PEA₂SnI₄ Inkjet-Printed Halide Perovskite LEDs on Rigid and Flexible Substrates

ACS Energy Lett. 2022 Oct 14;7(10):3653-3655. doi: 10.1021/acsenergylett.2c01773. Epub 2022 Sep 30.

Authors

Giovanni Vescio¹, Jesus Sanchez-Diaz², Juan Luis Frieiro¹, Rafael S Sánchez², Sergi Hernández¹, Albert Cirera¹, Iván Mora-Seró², Blas Garrido¹

Affiliations

¹ MIND-IN2UB, Department of Electronics and Biomedical Engineering, Universitat de Barcelona, Martí i Franquès 1, Barcelona 08028, Spain.
² Institute of Advanced Materials (INAM), Universitat Jaume I (UJI), Avenida de Vicent Sos Baynat, s/n, Castelló de la Plana 12071, Spain.

Abstract

Lead-free PEA₂SnI₄-based perovskite LEDs are successfully inkjet-printed on rigid and flexible substrates. Red-emitting devices (λ_max = 633 nm) exhibit, under ambient conditions, a maximum external quantum efficiency (EQE_max) of 1% with a related brightness of 30 cd/m² at 10 mA/cm².