Publication detail

Synthesis of Hybrid Tin-Based Perovskite Microcrystals for LED Applications

Sanchez-Diaz, J. Rodriguez-Pereira, J. Das Adhikari, S. Mora-Seró, I

Original Title

Synthesis of Hybrid Tin-Based Perovskite Microcrystals for LED Applications

Type

journal article in Web of Science

Language

English

Original Abstract

Considerable focus on tin-based perovskites lies on substitution to leadhalide perovskites for the fabrication of eco-friendly optoelectronic devices.The major concern related to tin-based perovskite devices are mainly thestability and the efficiency. However, thinking on the final commercializationscope, other considerations such as precursor stability and cost are majorfactors to carry about. In this regard, this work presents a robust and facilesynthesis of 2D A2SnX4 (A = 4-fluorophenethylammonium(4-FPEA); X = I, Br, I/Br) and 3D FASnI3 perovskite microcrystals followinga developed synthesis strategy with low-cost starting materials. In thisdeveloped methodology, acetic acid is used as a solvent, which helps to protectfrom water by making a hydrophobic network over the perovskite surface, andhence provides sufficient ambient and long-term inert atmosphere stability ofthe microcrystals. Further, the microcrystals are recrystallized in thin filmsfor LED application, allowing the fabrication of orange, near-infrared and purered emitting LEDs. The two-step recrystallized devices show better performanceand stability in comparison to the reference devices made by using commercialprecursors. Importantly, the developed synthesis methodology is defined as ageneric method for the preparation of varieties of hybrid tin-based perovskitesmicrocrystals and application in optoelectronic devices. A novel synthesis strategy has produced 2D hybrid tin halide perovskite microcrystals, featuring cost-effectiveness and scalability. These microcrystals exhibit ambient stability and endure long-term storage in inert atmospheres. Utilized as perovskite precursors, they enable the fabrication of Pb-free, eco-friendly pure-red emitting LEDs. Recrystallized samples demonstrate superior performance compared to conventional methods, highlighting their remarkable attributes. image

Keywords

LED; microcrystalline powder; Pb-free perovskites; precursor synthesis; tin perovskites

Authors

Sanchez-Diaz, J.; Rodriguez-Pereira, J.; Das Adhikari, S.; Mora-Seró, I

Released

1. 9. 2024

Publisher

WILEY

Location

HOBOKEN

ISBN

2198-3844

Periodical

Advanced Science

Year of study

11

Number

34

State

United States of America

Pages count

9

URL

https://onlinelibrary.wiley.com/doi/10.1002/advs.202403835

BibTex

@article{BUT189917,
  author="Jhonatan {Rodriguez Pereira} and Jan {Macák} and Jesus {Sanchez-Diaz} and Samrat {Das Adhikari}",
  title="Synthesis of Hybrid Tin-Based Perovskite Microcrystals for LED Applications",
  journal="Advanced Science",
  year="2024",
  volume="11",
  number="34",
  pages="9",
  doi="10.1002/advs.202403835",
  issn="2198-3844",
  url="https://onlinelibrary.wiley.com/doi/10.1002/advs.202403835"
}