Highly Luminescent and Multifunctional Zero‐Dimensional Cesium Lanthanide Chloride (Cs<sub>3</sub>LnCl<sub>6</sub>) Colloidal Nanocrystals

Lee, Minji; Lee, Dong Hyun David; Hong, Seong Vin; Woo, Ho Young; Chae, Ji‐Yeon; Lee, Da Won; Han, Myung Joon; Paik, Taejong

doi:10.1002/adom.202201389

Advanced Optical Materials

2022

DOI: 10.1002/adom.202201389

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Highly Luminescent and Multifunctional Zero‐Dimensional Cesium Lanthanide Chloride (Cs₃LnCl₆) Colloidal Nanocrystals

Minji Lee¹,

Dong Hyun David Lee²,

Seong Vin Hong³

et al.

Abstract: In the acknowledgements section of article number 2102727, published in Volume 10, Issue 9 (May 4, 2022) of Advanced Optical Materials, an incorrect grant number was cited.The grant acknowledged, "NRF-2019R1A4A1028700", should be instead: "NRF-2022R1A4A2000776".

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Efficient and Stable Multicolor Emissions of the Coumarin‐Modified Cs₃LnCl₆ Lead‐Free Perovskite Nanocrystals and LED Application

Sun,

Dong,

Sun

et al. 2024

Advanced Materials

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Lanthanide‐based lead‐free perovskite materials hold great promise for the development of high‐resolution full‐color displays in the future. In this work, we systemically prepared various Cs3LnCl6 perovskite nanocrystals (NCs) emitting light across the visible to near‐infrared spectrum with remarkably high photoluminescence quantum yield (PLQY). Especially, by introducing multifunctional coumarin small molecules into Cs3EuCl6 NCs as an intermediate state, Cs3EuCl6 NCs can achieve an impressive PLQY of 92.4% with pure red emission and an exceptional ET efficiency of nearly 93.2%. Furthermore, we successfully fabricated the lanthanide‐based electroluminescent devices in red, green, and blue. Among them, the Cs3EuCl6 NCs based red LED demonstrates a full width at half maximum (FWHM) of 18 nm at 617 nm, an external quantum efficiency (EQE) up to 5.17% and a maximum brightness of 2373 cd m−2, which is the most excellent reported for lead‐free narrowband (within 20 nm) emission devices. Notably, these devices exhibit an operating half‐life of 440 hours at a brightness level of 100 cd m−2, surpassing the performance of most reported lead‐free perovskite LEDs (PLEDs). Our work opens up exciting possibilities for the future commercialization of lanthanide‐based PLEDs in the display industry, paving the way for more vibrant, energy‐efficient, and long‐lasting display technologies.This article is protected by copyright. All rights reserved

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Efficient and Stable Multicolor Emissions of the Coumarin‐Modified Cs₃LnCl₆ Lead‐Free Perovskite Nanocrystals and LED Application

Sun,

Dong,

Sun

et al. 2024

Advanced Materials

View full text Add to dashboard Cite

show abstract

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Highly Luminescent and Multifunctional Zero‐Dimensional Cesium Lanthanide Chloride (Cs₃LnCl₆) Colloidal Nanocrystals

Abstract: In the acknowledgements section of article number 2102727, published in Volume 10, Issue 9 (May 4, 2022) of Advanced Optical Materials, an incorrect grant number was cited.The grant acknowledged, "NRF-2019R1A4A1028700", should be instead: "NRF-2022R1A4A2000776".

Cited by 1 publication

References 0 publications

Efficient and Stable Multicolor Emissions of the Coumarin‐Modified Cs₃LnCl₆ Lead‐Free Perovskite Nanocrystals and LED Application

Efficient and Stable Multicolor Emissions of the Coumarin‐Modified Cs₃LnCl₆ Lead‐Free Perovskite Nanocrystals and LED Application

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Highly Luminescent and Multifunctional Zero‐Dimensional Cesium Lanthanide Chloride (Cs3LnCl6) Colloidal Nanocrystals

Abstract: In the acknowledgements section of article number 2102727, published in Volume 10, Issue 9 (May 4, 2022) of Advanced Optical Materials, an incorrect grant number was cited.The grant acknowledged, "NRF-2019R1A4A1028700", should be instead: "NRF-2022R1A4A2000776".

Cited by 1 publication

References 0 publications

Efficient and Stable Multicolor Emissions of the Coumarin‐Modified Cs3LnCl6 Lead‐Free Perovskite Nanocrystals and LED Application

Efficient and Stable Multicolor Emissions of the Coumarin‐Modified Cs3LnCl6 Lead‐Free Perovskite Nanocrystals and LED Application

Contact Info

Product

Resources

About

Highly Luminescent and Multifunctional Zero‐Dimensional Cesium Lanthanide Chloride (Cs₃LnCl₆) Colloidal Nanocrystals

Efficient and Stable Multicolor Emissions of the Coumarin‐Modified Cs₃LnCl₆ Lead‐Free Perovskite Nanocrystals and LED Application

Efficient and Stable Multicolor Emissions of the Coumarin‐Modified Cs₃LnCl₆ Lead‐Free Perovskite Nanocrystals and LED Application