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Lasing in Two-Dimensional Tin Perovskites

[Image: see text] Two-dimensional (2D) perovskites have been proposed as materials capable of improving the stability and surpassing the radiative recombination efficiency of three-dimensional perovskites. However, their luminescent properties have often fallen short of what has been expected. In fa...

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Autores principales: Alvarado-Leaños, Ada Lilí, Cortecchia, Daniele, Saggau, Christian Niclaas, Martani, Samuele, Folpini, Giulia, Feltri, Elena, Albaqami, Munirah D., Ma, Libo, Petrozza, Annamaria
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Chemical Society 2022
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9798858/
https://www.ncbi.nlm.nih.gov/pubmed/36420860
http://dx.doi.org/10.1021/acsnano.2c07705
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author Alvarado-Leaños, Ada Lilí
Cortecchia, Daniele
Saggau, Christian Niclaas
Martani, Samuele
Folpini, Giulia
Feltri, Elena
Albaqami, Munirah D.
Ma, Libo
Petrozza, Annamaria
author_facet Alvarado-Leaños, Ada Lilí
Cortecchia, Daniele
Saggau, Christian Niclaas
Martani, Samuele
Folpini, Giulia
Feltri, Elena
Albaqami, Munirah D.
Ma, Libo
Petrozza, Annamaria
author_sort Alvarado-Leaños, Ada Lilí
collection PubMed
description [Image: see text] Two-dimensional (2D) perovskites have been proposed as materials capable of improving the stability and surpassing the radiative recombination efficiency of three-dimensional perovskites. However, their luminescent properties have often fallen short of what has been expected. In fact, despite attracting considerable attention for photonic applications during the last two decades, lasing in 2D perovskites remains unclear and under debate. Here, we were able to improve the optical gain properties of 2D perovskite and achieve optically pumped lasing. We show that the choice of the spacer cation affects the defectivity and photostability of the perovskite, which in turn influences its optical gain. Based on our synthetic strategy, we obtain PEA(2)SnI(4) films with high crystallinity and favorable optical properties, resulting in amplified spontaneous emission (ASE) with a low threshold (30 μJ/cm(2)), a high optical gain above 4000 cm(–1) at 77 K, and ASE operation up to room temperature.
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spelling pubmed-97988582022-12-30 Lasing in Two-Dimensional Tin Perovskites Alvarado-Leaños, Ada Lilí Cortecchia, Daniele Saggau, Christian Niclaas Martani, Samuele Folpini, Giulia Feltri, Elena Albaqami, Munirah D. Ma, Libo Petrozza, Annamaria ACS Nano [Image: see text] Two-dimensional (2D) perovskites have been proposed as materials capable of improving the stability and surpassing the radiative recombination efficiency of three-dimensional perovskites. However, their luminescent properties have often fallen short of what has been expected. In fact, despite attracting considerable attention for photonic applications during the last two decades, lasing in 2D perovskites remains unclear and under debate. Here, we were able to improve the optical gain properties of 2D perovskite and achieve optically pumped lasing. We show that the choice of the spacer cation affects the defectivity and photostability of the perovskite, which in turn influences its optical gain. Based on our synthetic strategy, we obtain PEA(2)SnI(4) films with high crystallinity and favorable optical properties, resulting in amplified spontaneous emission (ASE) with a low threshold (30 μJ/cm(2)), a high optical gain above 4000 cm(–1) at 77 K, and ASE operation up to room temperature. American Chemical Society 2022-11-24 2022-12-27 /pmc/articles/PMC9798858/ /pubmed/36420860 http://dx.doi.org/10.1021/acsnano.2c07705 Text en © 2022 The Authors. Published by American Chemical Society https://creativecommons.org/licenses/by/4.0/Permits the broadest form of re-use including for commercial purposes, provided that author attribution and integrity are maintained (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Alvarado-Leaños, Ada Lilí
Cortecchia, Daniele
Saggau, Christian Niclaas
Martani, Samuele
Folpini, Giulia
Feltri, Elena
Albaqami, Munirah D.
Ma, Libo
Petrozza, Annamaria
Lasing in Two-Dimensional Tin Perovskites
title Lasing in Two-Dimensional Tin Perovskites
title_full Lasing in Two-Dimensional Tin Perovskites
title_fullStr Lasing in Two-Dimensional Tin Perovskites
title_full_unstemmed Lasing in Two-Dimensional Tin Perovskites
title_short Lasing in Two-Dimensional Tin Perovskites
title_sort lasing in two-dimensional tin perovskites
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9798858/
https://www.ncbi.nlm.nih.gov/pubmed/36420860
http://dx.doi.org/10.1021/acsnano.2c07705
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