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Sacristán-Martín A, Miguel D, Diez-Varga A, Barbero H, Álvarez CM. From Induced-Fit Assemblies to Ternary Inclusion Complexes with Fullerenes in Corannulene-Based Molecular Tweezers. J Org Chem 2022; 87:16691-16706. [DOI: 10.1021/acs.joc.2c02345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Affiliation(s)
- Adriana Sacristán-Martín
- GIR MIOMeT, IU CINQUIMA/Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid, Valladolid E47011, Spain
| | - Daniel Miguel
- GIR MIOMeT, IU CINQUIMA/Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid, Valladolid E47011, Spain
| | - Alberto Diez-Varga
- GIR MIOMeT, IU CINQUIMA/Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid, Valladolid E47011, Spain
| | - Héctor Barbero
- GIR MIOMeT, IU CINQUIMA/Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid, Valladolid E47011, Spain
| | - Celedonio M. Álvarez
- GIR MIOMeT, IU CINQUIMA/Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid, Valladolid E47011, Spain
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2
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Tang X, Liu H, Xu L, Xu X, He X, Liu F, Chen J, Peng Q. Achieving High Efficiency at High Luminance in Fluorescent Organic Light-Emitting Diodes through Triplet-Triplet Fusion Based on Phenanthroimidazole-Benzothiadiazole Derivatives. Chemistry 2021; 27:13828-13839. [PMID: 34291514 DOI: 10.1002/chem.202102136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Indexed: 11/09/2022]
Abstract
Achieving high efficiency at high luminance is one of the most important prerequisites towards practical application of any kind of light-emitting diode (LED). Herein, we report highly emissive organic fluorescent molecules based on phenanthroimidazole-benzothiadiazole derivatives capable of maintaining high external quantum efficiency (EQE) at high luminance enabled by triplet-triplet fusion (TTF) in doped organic LEDs. The PIBzP-, PIBzPCN-, and PIBzTPA-based devices showed EQEs of 8.27, 9.15, and 8.64 %, respectively, at luminance of higher than 1000 cd m-2 , with little efficiency roll-off.
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Affiliation(s)
- Xiangyang Tang
- State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, International Research Center for Advanced Photonics, Zhejiang University, 38 Zheda Road, 310027, Hangzhou, P. R. China
| | - Hui Liu
- State Key Lab of Supramolecular Structure and Materials, Department of Chemistry, Jilin University, 2699 Qianjin Avenue, 130012, Changchun, P. R. China
| | - Lei Xu
- Key Laboratory of Flexible Electronics (KLOFE) &, Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, 211816, Nanjing, P. R. China
| | - Xuehui Xu
- State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, International Research Center for Advanced Photonics, Zhejiang University, 38 Zheda Road, 310027, Hangzhou, P. R. China
| | - Xin He
- State Key Lab of Supramolecular Structure and Materials, Department of Chemistry, Jilin University, 2699 Qianjin Avenue, 130012, Changchun, P. R. China
| | - Futong Liu
- State Key Lab of Supramolecular Structure and Materials, Department of Chemistry, Jilin University, 2699 Qianjin Avenue, 130012, Changchun, P. R. China
| | - Jianwu Chen
- State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, International Research Center for Advanced Photonics, Zhejiang University, 38 Zheda Road, 310027, Hangzhou, P. R. China
| | - Qiming Peng
- Key Laboratory of Flexible Electronics (KLOFE) &, Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, 211816, Nanjing, P. R. China
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Tang X, Liu H, Liu F, He X, Xu X, Chen J, Peng Q, Lu P. Efficient Red Electroluminescence From Phenanthro[9,10-d]imidazole-Naphtho[2,3-c][1,2,5]thiadiazole Donor-Acceptor Derivatives. Chem Asian J 2021; 16:1942-1948. [PMID: 34003594 DOI: 10.1002/asia.202100391] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 05/17/2021] [Indexed: 01/18/2023]
Abstract
Red emission is one of the three primary colors and is indispensable for full color displays. Fluorescent materials that can generate efficient red electroluminescence (EL) are limited and need to be developed. In this work, we report efficient red emitters based on phenanthro[9,10-d]imidazole-naphtho[2,3-c][1,2,5]thiadiazole donor-acceptor derivatives. The molecules, abbreviated as PINzP and PINzPCN, exhibited high photoluminescence quantum yield (PLQY) up to unity in doped films. They can also reach a relatively high PLQY of ∼30% in neat films. PINzP and PINzPCN were capable of generating efficient red EL in doped devices with a maximum external quantum efficiency (EQE) of 6.96% and 5.92%, respectively.
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Affiliation(s)
- Xiangyang Tang
- State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, International Research Center for Advanced Photonics, Zhejiang University, 38 Zheda Road, 310027, Hangzhou, P. R. China.,State Key Lab of Supramolecular Structure and Materials, Department of Chemistry, Jilin University, 2699 Qianjin Avenue, 130012, Changchun, P. R. China
| | - Hui Liu
- State Key Lab of Supramolecular Structure and Materials, Department of Chemistry, Jilin University, 2699 Qianjin Avenue, 130012, Changchun, P. R. China
| | - Futong Liu
- State Key Lab of Supramolecular Structure and Materials, Department of Chemistry, Jilin University, 2699 Qianjin Avenue, 130012, Changchun, P. R. China
| | - Xin He
- State Key Lab of Supramolecular Structure and Materials, Department of Chemistry, Jilin University, 2699 Qianjin Avenue, 130012, Changchun, P. R. China
| | - Xuehui Xu
- State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, International Research Center for Advanced Photonics, Zhejiang University, 38 Zheda Road, 310027, Hangzhou, P. R. China
| | - Jianwu Chen
- State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, International Research Center for Advanced Photonics, Zhejiang University, 38 Zheda Road, 310027, Hangzhou, P. R. China
| | - Qiming Peng
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, 211816, Nanjing, P. R. China
| | - Ping Lu
- State Key Lab of Supramolecular Structure and Materials, Department of Chemistry, Jilin University, 2699 Qianjin Avenue, 130012, Changchun, P. R. China
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4
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Jayabharathi J, Panimozhi S, Thanikachalam V. A novel hot exciton blue fluorophores and white organic light-emitting diodes with simplified configuration. Sci Rep 2020; 10:5114. [PMID: 32198377 PMCID: PMC7083847 DOI: 10.1038/s41598-020-62029-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Accepted: 01/13/2020] [Indexed: 12/03/2022] Open
Abstract
The two efficient non-doped blue emitters with hybridized local and charge transfer state namely, NDBNPIN and DBTPIN have been synthesised and characterised. These materials are employed as a host for green and red phosphorescent OLEDs. The white device based on DBTPIN:Ir(MDQ)2(acac) (4%) exhibit maximum external quantum efficiency (ηex) -24.8%; current efficiency (ηc) -57.1 cdA-1; power efficiency (ηp) -64.8 lmW-1 with Commission Internationale de l'Eclairage (CIE:0.49, 0.40) than NDBNPIN:Ir(MDQ)2acac (4%) device [ηex - 23.1%; ηc -54.6 cd A-1; ηp- 60.0 lm W-1 with CIE (0.47, 0.42)].
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Affiliation(s)
- Jayaraman Jayabharathi
- Department of Chemistry, Annamalai University, Annamalainagar, 608 002, Tamilnadu, India.
| | - Sekar Panimozhi
- Department of Chemistry, Annamalai University, Annamalainagar, 608 002, Tamilnadu, India
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Panda S, Jat RS, Fayaz A, Saha J, Thirumoorthi R, Roy TK, Bhanuchandra M. Conjugated small organic molecules: synthesis and characterization of 4-arylpyrazole-decorated dibenzothiophenes. NEW J CHEM 2020. [DOI: 10.1039/d0nj01887b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
4-Arylpyrazole-decorated dibenzothiophenes have been synthesized.
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Affiliation(s)
- Satyajit Panda
- Department of Chemistry
- School of Chemical Sciences and Pharmacy
- Central University of Rajasthan
- Ajmer
- India
| | - Ram Singh Jat
- Department of Chemistry
- School of Chemical Sciences and Pharmacy
- Central University of Rajasthan
- Ajmer
- India
| | - Amir Fayaz
- Department of Chemistry
- School of Chemical Sciences and Pharmacy
- Central University of Rajasthan
- Ajmer
- India
| | - Jony Saha
- Department of Chemistry
- School of Chemical Sciences and Pharmacy
- Central University of Rajasthan
- Ajmer
- India
| | - Ramalingam Thirumoorthi
- Department of Chemistry
- School of Chemical Sciences and Pharmacy
- Central University of Rajasthan
- Ajmer
- India
| | - Tapta Kanchan Roy
- Department of Chemistry
- School of Chemical Sciences and Pharmacy
- Central University of Rajasthan
- Ajmer
- India
| | - M. Bhanuchandra
- Department of Chemistry
- School of Chemical Sciences and Pharmacy
- Central University of Rajasthan
- Ajmer
- India
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Sperátová M, Jedyrka J, Pytela O, Kityk IV, Reshak AH, Bureš F, Klikar M. Novel dibenzothiophene chromophores with peripheral barbituric acceptors. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.07.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Liu F, Tao Y, Li J, Liu H, He X, Du C, Tang X, Lu P. Efficient Non‐doped Blue Fluorescent Organic Light‐Emitting Diodes Based on Anthracene–Triphenylethylene Derivatives. Chem Asian J 2019; 14:1004-1012. [DOI: 10.1002/asia.201801867] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 01/21/2019] [Indexed: 11/06/2022]
Affiliation(s)
- Futong Liu
- Department of ChemistryState Key Laboratory of Supramolecular Structure and MaterialsJilin University 2699 Qianjin Avenue Changchun 130012 P. R. China
| | - Yanchun Tao
- Department of ChemistryState Key Laboratory of Supramolecular Structure and MaterialsJilin University 2699 Qianjin Avenue Changchun 130012 P. R. China
| | - Jinyu Li
- Department of ChemistryState Key Laboratory of Supramolecular Structure and MaterialsJilin University 2699 Qianjin Avenue Changchun 130012 P. R. China
| | - Hui Liu
- Department of ChemistryState Key Laboratory of Supramolecular Structure and MaterialsJilin University 2699 Qianjin Avenue Changchun 130012 P. R. China
| | - Xin He
- Department of ChemistryState Key Laboratory of Supramolecular Structure and MaterialsJilin University 2699 Qianjin Avenue Changchun 130012 P. R. China
| | - Chunya Du
- Department of ChemistryState Key Laboratory of Supramolecular Structure and MaterialsJilin University 2699 Qianjin Avenue Changchun 130012 P. R. China
| | - Xiangyang Tang
- Department of ChemistryState Key Laboratory of Supramolecular Structure and MaterialsJilin University 2699 Qianjin Avenue Changchun 130012 P. R. China
| | - Ping Lu
- Department of ChemistryState Key Laboratory of Supramolecular Structure and MaterialsJilin University 2699 Qianjin Avenue Changchun 130012 P. R. China
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Jayabharathi J, Ramya R, Thanikachalam V, Nethaji P. Optical and electroluminescent performances of dihydrobenzodioxin phenanthroimidazoles based blue-emitting materials. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2018.02.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Jayabharathi J, Ramya R, Thanikachalam V, Nethaji P. Tailoring the molecular design of twisted dihydrobenzodioxin phenanthroimidazole derivatives for non-doped blue organic light-emitting devices. RSC Adv 2018; 8:29031-29043. [PMID: 35548015 PMCID: PMC9084391 DOI: 10.1039/c8ra05004j] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 07/30/2018] [Indexed: 11/21/2022] Open
Abstract
Three fused polycyclic aryl fragments, namely, naphthyl, methoxynaphthyl, and pyrenyl have been used to construct blue-emissive phenanthroimidazole-functionalized target molecules, i.e., 1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-(naphthalen-1-yl)-1H-phenanthro[9,10-d]imidazole (1), 1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-(1-methoxynaphthalen-4-yl)-1H-phenanthro[9,10-d]imidazole (2), and 1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-(pyren-10-yl)-1H-phenanthro[9,10-d]imidazole (3). The up-conversion of triplets to singlets via a triplet–triplet annihilation (TTA) process is dominant in these compounds due to 2ET1 > ES1. The pyrenyl dihydrobenzodioxin phenanthroimidazole (3)-based nondoped OLED exhibits blue emission (450 nm) with CIE (0.15, 0.14), a luminance of 53 890 cd m−2, power efficiency of 5.86 lm W−1, external quantum efficiency of 5.30%, and current efficiency of 6.90 cd A−1. The efficient device performance of pyrenyl dihydrobenzodioxin phenanthroimidazole is due to the TTA contribution to the electroluminescent process. Efficient blue emitters, 1-(2,3-dihydrobenzodioxinyl)-2-naphthylphenanthroimidazole, 1-(2,3-dihydrobenzodioxinyl)-2-methoxynaphthylphenanthroimidazole and 1-(2,3-dihydrobenzodioxinyl)-2-pyrenylphenanthroimidazole have been reported.![]()
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