Relevant bibliographies by topics / Intramolecular interactions through space, organic light-emitting diodes (OLEDs)

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic 'Intramolecular interactions through space, organic light-emitting diodes (OLEDs)'

Author: Grafiati
Published: 25 May 2024
Last updated: 31 July 2025

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Journal articles on the topic "Intramolecular interactions through space, organic light-emitting diodes (OLEDs)"

1

Jiang, Chenglin, Jingsheng Miao, Danwen Zhang, Zhenhua Wen, Chuluo Yang та Kai Li. "Acceptor-Donor-Acceptor π-Stacking Boosts Intramolecular Through-Space Charge Transfer towards Efficient Red TADF and High-Performance OLEDs". Research 2022 (25 червня 2022): 1–12. http://dx.doi.org/10.34133/2022/9892802.

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Organic push-pull systems featuring through-space charge transfer (TSCT) excited states have been disclosed to be capable of exhibiting thermally activated delayed fluorescence (TADF), but to realize high-efficiency long-wavelength emission still remains a challenge. Herein, we report a series of strongly emissive orange-red and red TSCT-TADF emitters having (quasi)planar and rigid donor and acceptor segments which are placed in close proximity and orientated in a cofacial manner. Emission maxima (λem) of 594−599 nm with photoluminescence quantum yields (PLQYs) of up to 91% and delayed fluores
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2

Song, Yongjun, Ke Zhang, Pingping Wang, Yuan Cao, and Lei He. "Simultaneously Improving Radiative Decay and Reverse Intersystem Crossing in Space‐Confined Through‐Space Charge‐Transfer (TSCT) Emitter by Strong Intermolecular TSCT Enabled by a Planar Donor." Advanced Functional Materials 35, no. 1 (2024). https://doi.org/10.1002/adfm.202411957.

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AbstractSimultaneously improving radiative decay and reverse intersystem crossing (RISC) of through‐space charge‐transfer (TSCT) thermally‐activated delayed fluorescence (TADF) emitters has remained a challenge. Here, space‐confined TSCT‐TADF emitters are developed with a planar indolo[3,2,1‐kl]phenoxazine donor, a spiro‐carbon‐fixed benzophenone acceptor, and a fluorene (for 1) or xanthene (for 2) bridge. Close, cofacial donor/acceptor alignments and efficient intramolecular TSCT have been observed for both emitters. Intriguingly, emitter 1 exhibits an intermolecular donor/acceptor interactio
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3

Lan, Xia, Jiajie Zeng, Jinke Chen, et al. "Robust Sandwich‐Structured Thermally Activated Delayed Fluorescence Molecules Utilizing 11,12‐Dihydroindolo[2,3‐a]carbazole as Bridge." Angewandte Chemie International Edition, August 28, 2024. http://dx.doi.org/10.1002/anie.202414488.

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Constructing folded molecular structures is emerging as a promising strategy to develop efficient thermally activated delayed fluorescence (TADF) materials. Most folded TADF materials have V‐shaped configurations formed by donors and acceptors linked on carbazole or fluorene bridges. In this work, a facile molecular design strategy is proposed for exploring sandwich‐structured molecules, and a series of novel and robust TADF materials with regular U‐shaped sandwich conformations are constructed by using 11,12‐dihydroindolo[2,3‐a]carbazole as bridge, xanthone as acceptor, and dibenzothiophene,
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4

Lan, Xia, Jiajie Zeng, Jinke Chen, et al. "Robust Sandwich‐Structured Thermally Activated Delayed Fluorescence Molecules Utilizing 11,12‐Dihydroindolo[2,3‐a]carbazole as Bridge." Angewandte Chemie, August 28, 2024. http://dx.doi.org/10.1002/ange.202414488.

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Constructing folded molecular structures is emerging as a promising strategy to develop efficient thermally activated delayed fluorescence (TADF) materials. Most folded TADF materials have V‐shaped configurations formed by donors and acceptors linked on carbazole or fluorene bridges. In this work, a facile molecular design strategy is proposed for exploring sandwich‐structured molecules, and a series of novel and robust TADF materials with regular U‐shaped sandwich conformations are constructed by using 11,12‐dihydroindolo[2,3‐a]carbazole as bridge, xanthone as acceptor, and dibenzothiophene,
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5

Wei, Ying, Chunxiao Zhong, Yue Sun, et al. "C-H-activated Csp2-Csp3 diastereoselective gridization enables ultraviolet-emitting stereo-molecular nanohydrocarbons with mulitple H···H interactions." Nature Communications 15, no. 1 (2024). http://dx.doi.org/10.1038/s41467-024-48130-6.

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AbstractGridization is an emerging molecular integration technology that enables the creation of multifunctional organic semiconductors through precise linkages. While Friedel-Crafts gridization of fluorenols is potent, direct linkage among fluorene molecules poses a challenge. Herein, we report an achiral Pd-PPh3-cataylized diastereoselective (>99:1 d.r.) gridization based on the C-H-activation of fluorene to give dimeric and trimeric windmill-type nanogrids (DWGs and TWGs). These non-conjugated stereo-nanogrids showcase intramolecular multiple H…H interactions with a low field shift to 8.
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Zhang, Jingling, Xiu‐Fang Song, Yulin Xu, et al. "Pd(II)‐TADF Emitters Featuring Multiple Intramolecular Noncovalent Interactions: Toward Organic Light‐Emitting Diodes with EQEs up to 31.5% and Operational Half‐Lifetimes Exceeding 1600 h at 3000 cd m−2." Advanced Functional Materials, June 18, 2024. http://dx.doi.org/10.1002/adfm.202404148.

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AbstractThe second‐row transition metal complexes have been much less exploited as emitters for organic light‐emitting diodes (OLEDs). Despite the considerable efforts to develop phosphorescent Pd(II) complexes by ligand design, the triplet excited states of Pd(II) complexes usually have very long lifetimes because of their ligand‐centered nature. Hereina panel of sandwich‐type mononuclear Pd(II) complexes is reported, namely PdDDBPZ, PdDTRZ, and PdDPYR, which exhibit strong yellow to red thermally activated delayed fluorescence (TADF) with photoluminescence quantum yields (PLQYs) of 87–94% in
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7

Zhang, Qizheng, Nengquan Li, Xintong Wan, et al. "Harnessing of Cooperative Cu···H Interactions for Luminescent Low‐Coordinate Copper(I) Complexes towards Stable OLEDs." Angewandte Chemie, December 6, 2024. https://doi.org/10.1002/ange.202419290.

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Although two‐coordinate Cu(I) complexes are highly promising low‐cost emitters for organic light‐emitting diodes (OLEDs), the exposed metal center in the linear coordination geometry makes them suffer from poor stability. Herein, we described a strategy to develop stable carbene‐Cu‐amide complexes through installing intramolecular noncovalent Cu···H interactions. The employment of 13H‐dibenzo[a,i]carbazole (DBC) as the amide ligand leads to short Cu···H distances in addition to the Cu–N coordination bond. The resultant Cu(I) complexes exhibit yellow thermally activated delayed fluorescence wit
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8

Zhang, Qizheng, Nengquan Li, Xintong Wan, et al. "Harnessing of Cooperative Cu···H Interactions for Luminescent Low‐Coordinate Copper(I) Complexes towards Stable OLEDs." Angewandte Chemie International Edition, December 6, 2024. https://doi.org/10.1002/anie.202419290.

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Although two‐coordinate Cu(I) complexes are highly promising low‐cost emitters for organic light‐emitting diodes (OLEDs), the exposed metal center in the linear coordination geometry makes them suffer from poor stability. Herein, we described a strategy to develop stable carbene‐Cu‐amide complexes through installing intramolecular noncovalent Cu···H interactions. The employment of 13H‐dibenzo[a,i]carbazole (DBC) as the amide ligand leads to short Cu···H distances in addition to the Cu–N coordination bond. The resultant Cu(I) complexes exhibit yellow thermally activated delayed fluorescence wit
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9

Zhou, Yichen, Junxiang Huang, Animesh Ghosh, et al. "Competitive Relaxation Pathways of Dibenzophenanthroline Isomer Emission: Charge‐Transfer, Excimer Formation." Chemistry – An Asian Journal, June 20, 2025. https://doi.org/10.1002/asia.202500658.

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AbstractThe photophysical properties and excited‐state dynamics of the nonlinear heteroacene derivative DBP6 (bis‐phenylethynyl‐substituted dibenzophenanthroline) were systematically investigated through steady‐state spectroscopy, time‐resolved fluorescence measurements, and density functional theory (DFT) calculations. This study focuses on the competitive relaxation pathways after excitation to the lowest excited band of phenanthroline, that is, charge‐transfer (CT), and intramolecular benzene excimer formation, which govern its dual‐emission behavior. After excitation of the lowest excited
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Dissertations / Theses on the topic "Intramolecular interactions through space, organic light-emitting diodes (OLEDs)"

1

Li, Haixia. "Design and characterization of new pyridazine materials for OLEDs and OSLs applications." Electronic Thesis or Diss., Sorbonne université, 2021. http://www.theses.fr/2021SORUS227.

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Dans ce travail, de nouveaux matériaux émetteurs organiques ont été développés pour des applications dans le domaine des diodes électroluminescentes ou des lasers organiques. Tout d’abord, plusieurs molécules de type Donneur-Accepteur incorporant des cœurs azotés électrodéficients variés ont été préparées avec succès, leur design étant conçu dans le but d’obtenir des émetteurs TADF. Leurs propriétés photo-physiques ont été étudiées en solution et à l’état solide. Dans ces structures, le transfert de charge intramoléculaire est produit via des interactions intermoléculaires entre les groupement
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