A Novel Deep Blue LE-Dominated HLCT Excited State Design Strategy and Material for OLED

Deep blue luminescent materials play a crucial role in the organic light-emitting diodes (OLEDs). In this work, a novel deep blue molecule based on hybridized local and charge-transfer (HLCT) excited state was reported with the emission wavelength of 423 nm. The OLED based on this material achieved...

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Autores principales: Tian, Xuzhou, Sheng, Jiyao, Zhang, Shitong, Xiao, Shengbing, Gao, Ying, Liu, Haichao, Yang, Bing
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8348658/
https://www.ncbi.nlm.nih.gov/pubmed/34361710
http://dx.doi.org/10.3390/molecules26154560
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author Tian, Xuzhou
Sheng, Jiyao
Zhang, Shitong
Xiao, Shengbing
Gao, Ying
Liu, Haichao
Yang, Bing
author_facet Tian, Xuzhou
Sheng, Jiyao
Zhang, Shitong
Xiao, Shengbing
Gao, Ying
Liu, Haichao
Yang, Bing
author_sort Tian, Xuzhou
collection PubMed
description Deep blue luminescent materials play a crucial role in the organic light-emitting diodes (OLEDs). In this work, a novel deep blue molecule based on hybridized local and charge-transfer (HLCT) excited state was reported with the emission wavelength of 423 nm. The OLED based on this material achieved high maximum external quantum efficiency (EQE) of 4% with good color purity. The results revealed that the locally-excited (LE)-dominated HLCT excited state had obvious advantages in short wavelength and narrow spectrum emission. What is more, the experimental and theoretical combination was used to describe the excited state characteristic and to understand photophysical property.
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spelling pubmed-83486582021-08-08 A Novel Deep Blue LE-Dominated HLCT Excited State Design Strategy and Material for OLED Tian, Xuzhou Sheng, Jiyao Zhang, Shitong Xiao, Shengbing Gao, Ying Liu, Haichao Yang, Bing Molecules Article Deep blue luminescent materials play a crucial role in the organic light-emitting diodes (OLEDs). In this work, a novel deep blue molecule based on hybridized local and charge-transfer (HLCT) excited state was reported with the emission wavelength of 423 nm. The OLED based on this material achieved high maximum external quantum efficiency (EQE) of 4% with good color purity. The results revealed that the locally-excited (LE)-dominated HLCT excited state had obvious advantages in short wavelength and narrow spectrum emission. What is more, the experimental and theoretical combination was used to describe the excited state characteristic and to understand photophysical property. MDPI 2021-07-28 /pmc/articles/PMC8348658/ /pubmed/34361710 http://dx.doi.org/10.3390/molecules26154560 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Tian, Xuzhou
Sheng, Jiyao
Zhang, Shitong
Xiao, Shengbing
Gao, Ying
Liu, Haichao
Yang, Bing
A Novel Deep Blue LE-Dominated HLCT Excited State Design Strategy and Material for OLED
title A Novel Deep Blue LE-Dominated HLCT Excited State Design Strategy and Material for OLED
title_full A Novel Deep Blue LE-Dominated HLCT Excited State Design Strategy and Material for OLED
title_fullStr A Novel Deep Blue LE-Dominated HLCT Excited State Design Strategy and Material for OLED
title_full_unstemmed A Novel Deep Blue LE-Dominated HLCT Excited State Design Strategy and Material for OLED
title_short A Novel Deep Blue LE-Dominated HLCT Excited State Design Strategy and Material for OLED
title_sort novel deep blue le-dominated hlct excited state design strategy and material for oled
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8348658/
https://www.ncbi.nlm.nih.gov/pubmed/34361710
http://dx.doi.org/10.3390/molecules26154560
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