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Aggregation-induced delayed fluorescence luminogens: the innovation of purely organic emitters for aqueous electrochemiluminescence

Due to overcoming the limitation of aggregation caused quenching (ACQ) of solid-state emitters, aggregation-induced emission (AIE) organic luminogens have become a promising candidate in aqueous electrochemiluminescence (ECL). However, restricted by the physical nature of fluorescence, current organ...

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Autores principales: Zhang, Baohua, Kong, Yi, Liu, Huijun, Chen, Bin, Zhao, Bolin, Luo, Yelin, Chen, Lijuan, Zhang, Yuwei, Han, Dongxue, Zhao, Zujin, Tang, Ben Zhong, Niu, Li
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Royal Society of Chemistry 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8528032/
https://www.ncbi.nlm.nih.gov/pubmed/34777746
http://dx.doi.org/10.1039/d1sc02918e
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author Zhang, Baohua
Kong, Yi
Liu, Huijun
Chen, Bin
Zhao, Bolin
Luo, Yelin
Chen, Lijuan
Zhang, Yuwei
Han, Dongxue
Zhao, Zujin
Tang, Ben Zhong
Niu, Li
author_facet Zhang, Baohua
Kong, Yi
Liu, Huijun
Chen, Bin
Zhao, Bolin
Luo, Yelin
Chen, Lijuan
Zhang, Yuwei
Han, Dongxue
Zhao, Zujin
Tang, Ben Zhong
Niu, Li
author_sort Zhang, Baohua
collection PubMed
description Due to overcoming the limitation of aggregation caused quenching (ACQ) of solid-state emitters, aggregation-induced emission (AIE) organic luminogens have become a promising candidate in aqueous electrochemiluminescence (ECL). However, restricted by the physical nature of fluorescence, current organic AIE luminogen-based ECL (AIECL) faces the bottleneck of low ECL efficiency. Here, we propose to construct de novo aqueous ECL based on aggregation-induced delayed fluorescence (AIDF) luminogens, called AIDF-ECL. Compared with the previous organic AIE luminogens, purely organic AIDF luminogens integrate the superiorities of both AIE and the utilization of dark triplets via thermal-activated spin up-conversion properties, thereby possessing the capability of close-to-unity exciton utilization for ECL. The results show that the ECL characteristics using AIDF luminogens are directly related to their AIDF properties. Compared with an AIECL control sample based on a tetraphenylethylene AIE moiety, the ECL efficiency of our AIDF-ECL model system is improved by 5.4 times, confirming the excellent effectiveness of this innovative strategy.
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spelling pubmed-85280322021-11-12 Aggregation-induced delayed fluorescence luminogens: the innovation of purely organic emitters for aqueous electrochemiluminescence Zhang, Baohua Kong, Yi Liu, Huijun Chen, Bin Zhao, Bolin Luo, Yelin Chen, Lijuan Zhang, Yuwei Han, Dongxue Zhao, Zujin Tang, Ben Zhong Niu, Li Chem Sci Chemistry Due to overcoming the limitation of aggregation caused quenching (ACQ) of solid-state emitters, aggregation-induced emission (AIE) organic luminogens have become a promising candidate in aqueous electrochemiluminescence (ECL). However, restricted by the physical nature of fluorescence, current organic AIE luminogen-based ECL (AIECL) faces the bottleneck of low ECL efficiency. Here, we propose to construct de novo aqueous ECL based on aggregation-induced delayed fluorescence (AIDF) luminogens, called AIDF-ECL. Compared with the previous organic AIE luminogens, purely organic AIDF luminogens integrate the superiorities of both AIE and the utilization of dark triplets via thermal-activated spin up-conversion properties, thereby possessing the capability of close-to-unity exciton utilization for ECL. The results show that the ECL characteristics using AIDF luminogens are directly related to their AIDF properties. Compared with an AIECL control sample based on a tetraphenylethylene AIE moiety, the ECL efficiency of our AIDF-ECL model system is improved by 5.4 times, confirming the excellent effectiveness of this innovative strategy. The Royal Society of Chemistry 2021-09-07 /pmc/articles/PMC8528032/ /pubmed/34777746 http://dx.doi.org/10.1039/d1sc02918e Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by-nc/3.0/
spellingShingle Chemistry
Zhang, Baohua
Kong, Yi
Liu, Huijun
Chen, Bin
Zhao, Bolin
Luo, Yelin
Chen, Lijuan
Zhang, Yuwei
Han, Dongxue
Zhao, Zujin
Tang, Ben Zhong
Niu, Li
Aggregation-induced delayed fluorescence luminogens: the innovation of purely organic emitters for aqueous electrochemiluminescence
title Aggregation-induced delayed fluorescence luminogens: the innovation of purely organic emitters for aqueous electrochemiluminescence
title_full Aggregation-induced delayed fluorescence luminogens: the innovation of purely organic emitters for aqueous electrochemiluminescence
title_fullStr Aggregation-induced delayed fluorescence luminogens: the innovation of purely organic emitters for aqueous electrochemiluminescence
title_full_unstemmed Aggregation-induced delayed fluorescence luminogens: the innovation of purely organic emitters for aqueous electrochemiluminescence
title_short Aggregation-induced delayed fluorescence luminogens: the innovation of purely organic emitters for aqueous electrochemiluminescence
title_sort aggregation-induced delayed fluorescence luminogens: the innovation of purely organic emitters for aqueous electrochemiluminescence
topic Chemistry
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8528032/
https://www.ncbi.nlm.nih.gov/pubmed/34777746
http://dx.doi.org/10.1039/d1sc02918e
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