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Nodari D, Sharma S, Jia W, Marsh AV, Lin YH, Fu Y, Lu X, Russkikh A, Harrison GT, Fatayer S, Gasparini N, Heeney M, Panidi J. Conjugated Polymer Heteroatom Engineering Enables High Detectivity Symmetric Ambipolar Phototransistors. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2402568. [PMID: 38682831 DOI: 10.1002/adma.202402568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 04/04/2024] [Indexed: 05/01/2024]
Abstract
Solution-processed high-performing ambipolar organic phototransistors (OPTs) can enable low-cost integrated circuits. Here, a heteroatom engineering approach to modify the electron affinity of a low band gap diketopyrrolopyrole (DPP) co-polymer, resulting in well-balanced charge transport, a more preferential edge-on orientation and higher crystallinity, is demonstrated. Changing the comonomer heteroatom from sulfur (benzothiadiazole (BT)) to oxygen (benzooxadiazole (BO)) leads to an increased electron affinity and introduces higher ambipolarity. Organic thin film transistors fabricated from the novel PDPP-BO exhibit charge carrier mobility of 0.6 and 0.3 cm2 Vs⁻1 for electrons and holes, respectively. Due to the high sensitivity of the PDPP-based material and the balanced transport in PDPP-BO, its application as an NIR detector in an OPT architecture is presented. By maintaining a high on/off ratio (9 × 104), ambipolar OPTs are shown with photoresponsivity of 69 and 99 A W⁻1 and specific detectivity of 8 × 107 for the p-type operation and 4 × 109 Jones for the n-type regime. The high symmetric NIR-ambipolar OPTs are also evaluated as ambipolar photo-inverters, and show a 46% gain enhancement under illumination.
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Affiliation(s)
- Davide Nodari
- Department of Chemistry & Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
| | - Sandeep Sharma
- KAUST Solar Center (KSC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Weitao Jia
- Department of Chemistry & Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
| | - Adam V Marsh
- KAUST Solar Center (KSC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Yen-Hung Lin
- Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Hong Kong SAR, 999077, Hong Kong
- State Key Laboratory of Advanced Displays and Optoelectronics Technologies, The Hong Kong University of Science and Technology, Hong Kong SAR, 999077, Hong Kong
| | - Yuang Fu
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, 999077, Hong Kong
| | - Xinhui Lu
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, 999077, Hong Kong
| | - Artem Russkikh
- KAUST Solar Center (KSC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - George T Harrison
- KAUST Solar Center (KSC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Shadi Fatayer
- KAUST Solar Center (KSC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Nicola Gasparini
- Department of Chemistry & Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
| | - Martin Heeney
- Department of Chemistry & Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
- KAUST Solar Center (KSC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Julianna Panidi
- Department of Chemistry & Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
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Samuthirapandi K, Durairaj P, Sarkar S. Interfacial Charge Transfer in Photoexcited QD-Molecule Composite of Tetrahedral CdSe Quantum Dot Coupled with Carbazole. ACS APPLIED MATERIALS & INTERFACES 2024; 16:31045-31055. [PMID: 38857441 DOI: 10.1021/acsami.4c02443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2024]
Abstract
Photoexcited charge transfer dynamics in CdSe quantum dots (QDs) coupled with carbazole were explored to model QD-molecule systems for light-harvesting applications. The absorption spectra of QDs with different sizes, i.e., Cd35Se20X30L30 (T1), Cd56Se35X42L42 (T2), and Cd84Se56X56L56 (T3) were simulated with quantum dynamical methods, which qualitatively match the reported experimental spectra. The carbazole is attached with a 3-amino group at the apex position of T1 (namely T1-3A-Cz), establishing proper electronic communication between T1 and carbazole. The spectra of T1-3A-Cz is 0.22 eV red-shifted compared to T1. A time-dependent perturbation was applied in tune with the lowest energy peak (3.63 eV) of T1-3A-Cz to investigate the charge transfer dynamics, which revealed an ultrafast charge separation within the femtosecond time scale. The electronic structure showed a favorable energy alignment between T1 and carbazole in T1-3A-Cz. The LUMO of carbazole was situated below the conduction band of the QD, while the HOMO of carbazole mixed perfectly with the top of the valence band of the QD, developing the interfacial charge transfer states. These states promoted the photoexcited electron transfer directly from the CdSe core to carbazole. A rapid and enhanced charge separation occurred with the laser field strength increasing from 0.001 to 0.005 V/Å. However, T1 connected to the other positions of carbazole did not show charge separation effectively. The photoinduced charge transfer is negligible in the case of T2-carbazole systems due to poor electronic coupling, and it is not observed in T3-carbazole systems. So, the T1-3A-Cz model acts as a perfect donor-acceptor QD-molecule nanocomposite that can harvest photon energy efficiently. Further enhancement of charge transfer can be achieved by coupling more carbazoles to the T1 QD (e.g., T1-3A-Cz2) due to the extension of hole delocalization between T1 and the carbazoles.
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Affiliation(s)
| | - Pandiselvi Durairaj
- Department of Chemistry, National Institute of Technology, Tiruchirappalli 620015, India
| | - Sunandan Sarkar
- Department of Chemistry, National Institute of Technology, Tiruchirappalli 620015, India
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Shoaee S, Luong HM, Song J, Zou Y, Nguyen TQ, Neher D. What We have Learnt from PM6:Y6. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2302005. [PMID: 37623325 DOI: 10.1002/adma.202302005] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 07/10/2023] [Indexed: 08/26/2023]
Abstract
Over the past three years, remarkable advancements in organic solar cells (OSCs) have emerged, propelled by the introduction of Y6-an innovative A-DA'D-A type small molecule non-fullerene acceptor (NFA). This review provides a critical discussion of the current knowledge about the structural and physical properties of the PM6:Y6 material combination in relation to its photovoltaic performance. The design principles of PM6 and Y6 are discussed, covering charge transfer, transport, and recombination mechanisms. Then, the authors delve into blend morphology and degradation mechanisms before considering commercialization. The current state of the art is presented, while also discussing unresolved contentious issues, such as the blend energetics, the pathways of free charge generation, and the role of triplet states in recombination. As such, this review aims to provide a comprehensive understanding of the PM6:Y6 material combination and its potential for further development in the field of organic solar cells. By addressing both the successes and challenges associated with this system, this review contributes to the ongoing research efforts toward achieving more efficient and stable organic solar cells.
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Affiliation(s)
- Safa Shoaee
- Optoelectronics of Disordered Semiconductors, Institute of Physics and Astronomy, University of Potsdam, D-14476, Potsdam-Golm, Germany
- Paul-Drude-Institut für Festkörperelektronik, Leibniz-Institut im Forschungsverbund Berlin e.V., 10117, Berlin, Germany
| | - Hoang M Luong
- Centre for Polymers and Organic Solids, University of California, Santa Barbara, CA, 93106, USA
| | - Jiage Song
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P. R. China
| | - Yingping Zou
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P. R. China
| | - Thuc-Quyen Nguyen
- Centre for Polymers and Organic Solids, University of California, Santa Barbara, CA, 93106, USA
| | - Dieter Neher
- Soft Matter Physics and Optoelectronics, Institute of Physics and Astronomy, University of Potsdam, D-14476, Potsdam-Golm, Germany
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Romero IE, Postigo A, Bonesi SM. Preparation of Carbazoles Involving 6π-Electrocyclization, Photoredox-, Electrochemical-, and Thermal Cyclization Reactions: Mechanistic Insights. Chemistry 2024; 30:e202303229. [PMID: 38032158 DOI: 10.1002/chem.202303229] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Indexed: 12/01/2023]
Abstract
Carbazole is a heterocyclic motif that can be found in a diverse array of natural and unnatural products displaying a wide range of biological and physiological properties. Furthermore, this heterocycle is part of electronic materials like photoconducting polymers and organic optoelectronic materials owing to its excellent photophysical characteristics. Consequently, the development of synthetic strategies for carbazole scaffolds holds potential significance in biological and material fields. In this regard, a variety of preparation methods has been developed to exploit their efficient and distinct formation of new C-C and C-heteroatom bonds under mild conditions and enabling broad substrate diversity and functional group tolerance. Therefore, this review focuses on the synthesis of a set of carbazole derivatives describing a variety of methodologies that involve direct irradiation, photosensitization, photoredox, electrochemical and thermal cyclization reactions.
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Affiliation(s)
- Ivan E Romero
- Universidad de Buenos Aires, Departamento de Química Orgánica, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, Buenos Aires, C1428EGA, Argentina
- CONICET - Universidad de Buenos Aires, Centro de Investigaciones en Hidratos de Carbono (CIHIDECAR), Ciudad Universitaria, Buenos Aires, C1428EGA, Argentina
- Universidad de Buenos Aires, Departamento de Ciencias Químicas, Facultad de Farmacia y Bioquímica, Junín 954, Buenos Aires, CP 1113, Argentina
| | - Al Postigo
- Universidad de Buenos Aires, Departamento de Ciencias Químicas, Facultad de Farmacia y Bioquímica, Junín 954, Buenos Aires, CP 1113, Argentina
| | - Sergio M Bonesi
- Universidad de Buenos Aires, Departamento de Química Orgánica, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, Buenos Aires, C1428EGA, Argentina
- CONICET - Universidad de Buenos Aires, Centro de Investigaciones en Hidratos de Carbono (CIHIDECAR), Ciudad Universitaria, Buenos Aires, C1428EGA, Argentina
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Zhou Y, Gan X, Shi F, Guo P, Miao W, Liang J, Wang Q, Liu Y, Wang C, Xia Y. Modulation of Dielectric Constant and Photovoltaic Properties of 2,1,3‐benzothiadiazole‐based Alternating Copolymers by Adding Fluorine Atoms to the Backbone of Polymers. ChemistrySelect 2023. [DOI: 10.1002/slct.202204758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
Affiliation(s)
- Yuan Zhou
- National Green Coating Equipment and Technology Research Center Lanzhou Jiaotong University Lanzhou 730070 PR China
| | - Xuemei Gan
- National Green Coating Equipment and Technology Research Center Lanzhou Jiaotong University Lanzhou 730070 PR China
| | - Furong Shi
- Organic Semiconductor Materials and Applied Technology Research Center of Gansu province School of Material Science and Engineering Lanzhou Jiaotong University Lanzhou 730070 PR China
| | - Pengzhi Guo
- National Green Coating Equipment and Technology Research Center Lanzhou Jiaotong University Lanzhou 730070 PR China
- Organic Semiconductor Materials and Applied Technology Research Center of Gansu province School of Material Science and Engineering Lanzhou Jiaotong University Lanzhou 730070 PR China
| | - Wentao Miao
- National Green Coating Equipment and Technology Research Center Lanzhou Jiaotong University Lanzhou 730070 PR China
| | - Junhong Liang
- National Green Coating Equipment and Technology Research Center Lanzhou Jiaotong University Lanzhou 730070 PR China
| | - Qian Wang
- Organic Semiconductor Materials and Applied Technology Research Center of Gansu province School of Material Science and Engineering Lanzhou Jiaotong University Lanzhou 730070 PR China
| | - Yi Liu
- National Green Coating Equipment and Technology Research Center Lanzhou Jiaotong University Lanzhou 730070 PR China
| | - Chenglong Wang
- National Green Coating Equipment and Technology Research Center Lanzhou Jiaotong University Lanzhou 730070 PR China
| | - Yangjun Xia
- Organic Semiconductor Materials and Applied Technology Research Center of Gansu province School of Material Science and Engineering Lanzhou Jiaotong University Lanzhou 730070 PR China
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Cansu Ergun EG, Akbayrak M. Hunting black color via absorption engineering: EDOT and thiophene-benzothiadiazole based black-to-transmissive copolymer and its electrochromic device application. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Chen WP, Wang RQ, Zhang YR, Song K, Tian Y, Li JX, Wang GY, Shi GF. HPLC, fluorescence spectroscopy, UV spectroscopy and DFT calculations on the mechanism of scavenging •OH radicals by Hypericin. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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8
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Bhattacharya L, Brown A, Sharma S, Sahu S. Computational Design of Crescent Shaped Promising Nonfullerene Acceptors with 1,4-Dihydro-2,3-quinoxalinedione Core and Different Electron-withdrawing Terminal Units for Photovoltaic Applications. J Phys Chem A 2022; 126:7110-7126. [PMID: 36178932 DOI: 10.1021/acs.jpca.2c03906] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This study aims to design a series of nonfullerene acceptors (NFAs) for photovoltaic applications having 1,4-dihydro-2,3-quinoxalinedione fused thiophene derivative as the core unit and 1,1-dicyanomethylene-3-indanone (IC) derivatives and different π-conjugated molecules other than IC as terminal acceptor units. All the investigated NFAs are found air-stable as the computed highest occupied molecular orbitals (HOMOs) are below the air oxidation threshold (ca. -5.27 eV vs saturated calomel electrode). The studied NFAs can act as potential nonfullerene acceptor candidates as they are found to have sufficient open-circuit voltage (Voc) and fill factor (FF) ranging from 0.62 to 1.41 V and 83%-91%, respectively. From the anisotropic mobility analysis, it is noticed that the studied NFAs except dicyano-rhodanine terminal unit containing NFA, exhibit better electron mobility than the hole mobility, and therefore, they can be more promising electron transporting acceptor materials in the active layer of an organic photovoltaic cell. From the optical absorption analysis, it is noted that all the designed NFAs have the maximum absorption spectra ranging from 597 nm-730 nm, which lies in the visible region and near-infrared (IR) region of the solar spectrum. The computed light-harvesting efficiencies for the PM6 (thiophene derivative donor selected in our study):NFA blends are found to lie in the range of 0.96-0.99, which indicates efficient light-harvesting by the PM6:NFA blends during photovoltaic device operation.
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Affiliation(s)
- Labanya Bhattacharya
- Computational Materials Research Lab, Department of Physics, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826004, India
| | - Alex Brown
- Department of Chemistry, University of Alberta, Edmonton, AlbertaT6G 2G2, Canada
| | - Sagar Sharma
- Department of Chemistry, S. B. Deorah College, Bora Service, Ulubari, Guwahati, 781007, AssamIndia
| | - Sridhar Sahu
- Computational Materials Research Lab, Department of Physics, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826004, India
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Pan L, Zhan T, Zhang Y, Li J, Wu Y, He Z, Cai P, Duan C, Huang F, Cao Y. Wide Bandgap Conjugated Polymers Based on Difluorobenzoxadiazole for Efficient Non-Fullerene Organic Solar Cells. Macromol Rapid Commun 2022; 43:e2200591. [PMID: 35962718 DOI: 10.1002/marc.202200591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 08/02/2022] [Indexed: 11/08/2022]
Abstract
Wide bandgap polymers with a donor-acceptor alternating structure play a key role in constructing high-efficiency organic solar cells (OSCs). However, only a handful of high-performance polymers are available owing to the limited choices of acceptor units. 5,6-Difluorobenzo[c][1,2,5]oxadiazole (ffBX) is a promising acceptor unit with high ionization potential, and can afford high charge carrier mobility and strong aggregation for the resulting polymers. Historically, ffBX was successfully used in constructing high-performance polymer donors for fullerene-based OSCs. However, this unit is far less been explored in non-fullerene OSCs. In this work, we report three ffBX-based wide bandgap polymers (Oc00, Oc25, and Oc50) with varied solubilizing side chain content for application in non-fullerene OSCs. The polymers show matched energy levels and complementary optical absorption with the state-of-the-art non-fullerene acceptor Y6. Moreover, the polymer solubility, solid state packing, and bulk-heterojunction morphology were finely tuned via side chain engineering. Encouragingly, a decent efficiency of 14.25% was realized by the polymer Oc25 when blended with Y6 due to the efficient charge transport and favorable active layer morphology. These results suggest the promising prospect of ffBX in constructing high-performance polymer donors for non-fullerene OSCs. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Langheng Pan
- Institute of the polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Tao Zhan
- Institute of the polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510640, P. R. China.,School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin, 541004, P. R. China
| | - Yue Zhang
- Institute of the polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Junyu Li
- Molecular Materials and Nanosystems & Institute for Complex Molecular Systems, Eindhoven University of Technology, MB Eindhoven, 5600, The Netherlands
| | - Yifan Wu
- Institute of the polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Zhicai He
- Institute of the polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Ping Cai
- School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin, 541004, P. R. China
| | - Chunhui Duan
- Institute of the polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Fei Huang
- Institute of the polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Yong Cao
- Institute of the polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510640, P. R. China
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Zhang G, Lin FR, Qi F, Heumüller T, Distler A, Egelhaaf HJ, Li N, Chow PCY, Brabec CJ, Jen AKY, Yip HL. Renewed Prospects for Organic Photovoltaics. Chem Rev 2022; 122:14180-14274. [PMID: 35929847 DOI: 10.1021/acs.chemrev.1c00955] [Citation(s) in RCA: 143] [Impact Index Per Article: 71.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Organic photovoltaics (OPVs) have progressed steadily through three stages of photoactive materials development: (i) use of poly(3-hexylthiophene) and fullerene-based acceptors (FAs) for optimizing bulk heterojunctions; (ii) development of new donors to better match with FAs; (iii) development of non-fullerene acceptors (NFAs). The development and application of NFAs with an A-D-A configuration (where A = acceptor and D = donor) has enabled devices to have efficient charge generation and small energy losses (Eloss < 0.6 eV), resulting in substantially higher power conversion efficiencies (PCEs) than FA-based devices. The discovery of Y6-type acceptors (Y6 = 2,2'-((2Z,2'Z)-((12,13-bis(2-ethylhexyl)-3,9-diundecyl-12,13-dihydro-[1,2,5]-thiadiazolo[3,4-e]-thieno[2″,3″:4',5']thieno-[2',3':4,5]pyrrolo-[3,2-g]thieno-[2',3':4,5]thieno-[3,2-b]indole-2,10-diyl)bis(methanylylidene))bis(5,6-difluoro-3-oxo-2,3-dihydro-1H-indene-2,1-diylidene))dimalononitrile) with an A-DA' D-A configuration has further propelled the PCEs to go beyond 15% due to smaller Eloss values (∼0.5 eV) and higher external quantum efficiencies. Subsequently, the PCEs of Y6-series single-junction devices have increased to >19% and may soon approach 20%. This review provides an update of recent progress of OPV in the following aspects: developments of novel NFAs and donors, understanding of the structure-property relationships and underlying mechanisms of state-of-the-art OPVs, and tasks underpinning the commercialization of OPVs, such as device stability, module development, potential applications, and high-throughput manufacturing. Finally, an outlook and prospects section summarizes the remaining challenges for the further development of OPV technology.
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Affiliation(s)
- Guichuan Zhang
- State Key Laboratory of Luminescent Materials and Devices, Institute of Polymer Optoelectronic Materials and Devices, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China.,School of Semiconductor Science and Technology, South China Normal University, Foshan 528225, China
| | - Francis R Lin
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon 999077, Hong Kong, China.,Department of Chemistry, City University of Hong Kong, Kowloon 999077, Hong Kong, China
| | - Feng Qi
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon 999077, Hong Kong, China.,Department of Chemistry, City University of Hong Kong, Kowloon 999077, Hong Kong, China
| | - Thomas Heumüller
- Institute of Materials for Electronics and Energy Technology (i-MEET), Department of Materials Science and Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg, Martensstrasse 7, 91058 Erlangen, Germany.,Helmholtz Institute Erlangen-Nürnberg (HI ERN), Immerwahrstrasse 2, 91058 Erlangen, Germany
| | - Andreas Distler
- Institute of Materials for Electronics and Energy Technology (i-MEET), Department of Materials Science and Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg, Martensstrasse 7, 91058 Erlangen, Germany
| | - Hans-Joachim Egelhaaf
- Institute of Materials for Electronics and Energy Technology (i-MEET), Department of Materials Science and Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg, Martensstrasse 7, 91058 Erlangen, Germany.,Helmholtz Institute Erlangen-Nürnberg (HI ERN), Immerwahrstrasse 2, 91058 Erlangen, Germany
| | - Ning Li
- State Key Laboratory of Luminescent Materials and Devices, Institute of Polymer Optoelectronic Materials and Devices, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Philip C Y Chow
- Department of Mechanical Engineering, The University of Hong Kong, Pokfulam 999077, Hong Kong, China
| | - Christoph J Brabec
- Institute of Materials for Electronics and Energy Technology (i-MEET), Department of Materials Science and Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg, Martensstrasse 7, 91058 Erlangen, Germany.,Helmholtz Institute Erlangen-Nürnberg (HI ERN), Immerwahrstrasse 2, 91058 Erlangen, Germany
| | - Alex K-Y Jen
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon 999077, Hong Kong, China.,Department of Chemistry, City University of Hong Kong, Kowloon 999077, Hong Kong, China.,School of Energy and Environment, City University of Hong Kong, Kowloon 999077, Hong Kong, China.,Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon 999077, Hong Kong, China
| | - Hin-Lap Yip
- State Key Laboratory of Luminescent Materials and Devices, Institute of Polymer Optoelectronic Materials and Devices, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China.,Department of Materials Science and Engineering, City University of Hong Kong, Kowloon 999077, Hong Kong, China.,School of Energy and Environment, City University of Hong Kong, Kowloon 999077, Hong Kong, China.,Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon 999077, Hong Kong, China
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Effects of different halogen and chalcogen substitutions on the ESIPT process of benzoxazole derivatives: Theoretical research. Chem Phys Lett 2022. [DOI: 10.1016/j.cplett.2022.139706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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12
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Affiliation(s)
- Li He
- Harbin Institute of Technology School of Chemistry and Chemical Engineering CHINA
| | - Yongjun Xu
- Harbin Institute of Technology School of Chemistry and Chemical Engineering CHINA
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13
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Te⋯N secondary-bonding interactions in tellurium crystals: Supramolecular aggregation patterns and a comparison with their lighter congeners. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214397] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Hammoud F, Hijazi A, Ibrahim-Ouali M, Lalevée J, Dumur F. Chemical engineering around the 5,12-dihydroindolo[3,2-a]carbazole scaffold : Fine tuning of the optical properties of visible light photoinitiators of polymerization. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Zhong W, Zhang M, Freychet G, Su GM, Ying L, Huang F, Cao Y, Zhang Y, Wang C, Liu F. Decoupling Complex Multi-Length-Scale Morphology in Non-Fullerene Photovoltaics with Nitrogen K-Edge Resonant Soft X-ray Scattering. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2107316. [PMID: 34750871 DOI: 10.1002/adma.202107316] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/29/2021] [Indexed: 06/13/2023]
Abstract
Complex morphology in organic photovoltaics (OPVs) and other functional soft materials commonly dictates performance. Such complexity in OPVs originates from the mesoscale kinetically trapped non-equilibrium state, which governs device charge generation and transport. Resonant soft X-ray scattering (RSoXS) has been revolutionary in the exploration of OPV morphology in the past decade due to its chemical and orientation sensitivity. However, for non-fullerene OPVs, RSoXS analysis near the carbon K-edge is challenging, due to the chemical similarity of the materials used in active layers. An innovative approach is provided by nitrogen K-edge RSoXS (NK-RSoXS), utilizing the spatial and orientational contrasts from the cyano groups in the acceptor materials, which allows for determination of phase separation. NK-RSoXS clearly visualizes the combined feature sizes in PM6:Y6 blends from crystallization and liquid-liquid demixing, while PM6:Y6:Y6-BO ternary blends with reduced phase-separation size and enhanced material crystallization can lead to current amplification in devices. Nitrogen is common in organic semiconductors and other soft materials, and the strong and directional N 1s → π* resonances make NK-RSoXS a powerful tool to uncover the mesoscale complexity and open opportunities to understand heterogeneous systems.
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Affiliation(s)
- Wenkai Zhong
- Frontiers Science Center for Transformative Molecules, Center of Hydrogen Science, and School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
- Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Ming Zhang
- Frontiers Science Center for Transformative Molecules, Center of Hydrogen Science, and School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | | | - Gregory M Su
- Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Lei Ying
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510640, China
| | - Fei Huang
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510640, China
| | - Yong Cao
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510640, China
| | - Yongming Zhang
- Frontiers Science Center for Transformative Molecules, Center of Hydrogen Science, and School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Cheng Wang
- Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Feng Liu
- Frontiers Science Center for Transformative Molecules, Center of Hydrogen Science, and School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
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17
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Yasa M, Toppare L. Thieno[3,4‐c]pyrrole‐4,6‐dione‐based conjugated polymers for non‐fullerene organic solar cells. MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202100421] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mustafa Yasa
- Department of Polymer Science and Technology Middle East Technical University Ankara 06800 Turkey
| | - Levent Toppare
- Department of Chemistry Middle East Technical University Ankara 06800 Turkey
- Department of Polymer Science and Technology Middle East Technical University Ankara 06800 Turkey
- The Center for Solar Energy Research and Application (GUNAM) Middle East Technical University Ankara 06800 Turkey
- Department of Biotechnology Middle East Technical University Ankara 06800 Turkey
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18
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Mao X, Liu Y, Zeng J, Wang X, Islam MM, Chen M, Chen Q, Feng X. Synthesis and Photophysical Properties of Quinoxaline-Based Blue Aggregation-Induced Emission Molecules. CAN J CHEM 2022. [DOI: 10.1139/cjc-2021-0267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A series of quinoxaline-based compounds 1–4 have been synthesized by Palladium-Catalyzed cross-coupling reaction and their photophysical properties have been extensively studied. Compounds 1–4 show deep blue light emission both in solution (λem ≤ 425 nm, CIEy≤0.03) and in solid-state. Moreover, compounds 1–3 show a non-typical aggregation-induced enhanced emission (AIEE), which would be effective deep blue light-emitting materials. The DFT calculation indicated that the HOMO energy levels of compounds 1–3 are distributed throughout the molecule, and the LUMO energy levels are mainly concentrated on the quinoxaline group. while the HOMO of compound 4 is mainly on the benzene ring at 2,3-position, and the LUMO is distributed both of the quinoxaline and the benzaldehyde group at the 6,7-position.
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Affiliation(s)
- Xiaoyu Mao
- Guangdong University of Technology, 47870, Guangzhou, Guangdong, China
| | - Yiwei Liu
- Guangdong University of Technology, 47870, Guangzhou, Guangdong, China
| | - Jin Zeng
- Guangdong University of Technology, 47870, Guangzhou, Guangdong, China
| | - Xiaohui Wang
- Guangdong University of Technology, 47870, Guangzhou, Guangdong, China
| | - Md. Monarul Islam
- Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
| | - Ming Chen
- Jinan University, 47885, Guangzhou, Guangdong, China
| | - Qing Chen
- Chinese Research Academy of Environmental Sciences, 91621, Beijing, China
| | - Xing Feng
- Guangdong University of Technology, 47870, Guangzhou, Guangdong, China
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19
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Aivali S, Yuan P, Panidi J, Georgiadou DG, Prodromakis T, Kallitsis JK, Keivanidis PE, Andreopoulou AK. Electron Transporting Perylene Diimide-Based Random Terpolymers with Variable Co-Monomer Feed Ratio: A Route to All-Polymer-Based Photodiodes. Macromolecules 2022. [DOI: 10.1021/acs.macromol.1c02159] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Stefania Aivali
- Department of Chemistry, University of Patras, University Campus, Rio- Patras GR26504, Greece
| | - Peisen Yuan
- Device Technology and Chemical Physics Laboratory, Department of Mechanical Engineering and Materials Science and Engineering, Cyprus University of Technology, 45 Kitiou Kyprianou str., Limassol 3041, CYPRUS
| | - Julianna Panidi
- Centre for Electronics Frontiers, Electronics and Computer Science, University of Southampton, Highfield Campus, University Road, Building 53 (Mountbatten), Southampton SO17 1BJ, United Kingdom
| | - Dimitra G. Georgiadou
- Centre for Electronics Frontiers, Electronics and Computer Science, University of Southampton, Highfield Campus, University Road, Building 53 (Mountbatten), Southampton SO17 1BJ, United Kingdom
| | - Themis Prodromakis
- Centre for Electronics Frontiers, Electronics and Computer Science, University of Southampton, Highfield Campus, University Road, Building 53 (Mountbatten), Southampton SO17 1BJ, United Kingdom
| | - Joannis K. Kallitsis
- Department of Chemistry, University of Patras, University Campus, Rio- Patras GR26504, Greece
- Foundation for Research and Technology Hellas/Institute of Chemical Engineering Sciences (FORTH/ICE-HT), Platani Str., Patras GR26504, Greece
| | - Panagiotis E. Keivanidis
- Device Technology and Chemical Physics Laboratory, Department of Mechanical Engineering and Materials Science and Engineering, Cyprus University of Technology, 45 Kitiou Kyprianou str., Limassol 3041, CYPRUS
| | - Aikaterini K. Andreopoulou
- Department of Chemistry, University of Patras, University Campus, Rio- Patras GR26504, Greece
- Foundation for Research and Technology Hellas/Institute of Chemical Engineering Sciences (FORTH/ICE-HT), Platani Str., Patras GR26504, Greece
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20
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Hammoud F, Hijazi A, Duval S, Lalevée J, Dumur F. 5,12-Dihydroindolo[3,2-a]carbazole: A promising scaffold for the design of visible light photoinitiators of polymerization. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2021.110880] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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21
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22
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Park S, Kim Y, Choi C, Ahn H, Park T, Lee SH, Jang YH, Lee BH. Effect of Bulky Atom Substitution on Backbone Coplanarity and Electrical Properties of Cyclopentadithiophene-Based Semiconducting Polymers. Macromol Rapid Commun 2021; 43:e2100709. [PMID: 34792255 DOI: 10.1002/marc.202100709] [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: 10/25/2021] [Revised: 10/28/2021] [Indexed: 11/10/2022]
Abstract
The effect of atomic substitution on the optoelectronic properties of a coplanar donor-acceptor (D-A) semiconducting polymer (SPs), prepared using cyclopentadithiophene (CDT) and 2,1,3-benzothiadiazole (BT) moieties, is investigated. By substituting a carbon atom in the BT unit with CF or C-Cl, two random D-A SPs are prepared, and their optoelectronic properties are thoroughly investigated. Density functional theory calculations demonstrate that the fluorinated polymer has a slightly smaller dihedral angle (ϴ = 0.6°) than the pristine polymer (ϴ = 1.9°) in its lowest-energy conformation, implying efficient charge transport through the coplanar backbone of the fluorinated polymer. However, the chlorinated polymer shows the lowest energy at a relatively larger dihedral angle (ϴ = 139°) due to the steric hindrance induced by bulky chlorine atoms in the backbone, thereby leading to thin-film morphology, which is unfavorable for charge transport. Consequently, the fluorinated polymer yields the highest field-effect mobility (μ) of 0.57 cm2 V-1 s-1 , slightly higher than that of the pristine polymer (μ = 0.33 cm2 V-1 s-1 ), and the extended device lifetime of organic field-effect transistors over 12 d without any encapsulation layers. The results of this study provide design guidelines for air-stable D-A SPs.
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Affiliation(s)
- Sohee Park
- Department of Chemical Engineering and Materials Science, Ewha Womans University, Seoul, 03760, Republic of Korea.,Graduate Program in System Health Science and Engineering, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Yejin Kim
- Department of Chemical Engineering and Materials Science, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Changwon Choi
- Department of Energy Science and Engineering, DGIST, Daegu, 42988, Republic of Korea
| | - Hyungju Ahn
- Pohang Accelerator Laboratory, POESTECH, Pohang, 37673, Republic of Korea
| | - Taemin Park
- Department of Chemistry, Daegu University, Gyeongsan, 38453, Republic of Korea
| | - Seoung Ho Lee
- Department of Chemistry, Daegu University, Gyeongsan, 38453, Republic of Korea
| | - Yun Hee Jang
- Department of Energy Science and Engineering, DGIST, Daegu, 42988, Republic of Korea
| | - Byoung Hoon Lee
- Department of Chemical Engineering and Materials Science, Ewha Womans University, Seoul, 03760, Republic of Korea.,Graduate Program in System Health Science and Engineering, Ewha Womans University, Seoul, 03760, Republic of Korea
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23
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Babu NS. Donor-acceptor-donor (D-A-D) structural monomers as donor materials in polymer solar cells: a DFT/TDDFT approach. Des Monomers Polym 2021; 24:330-342. [PMID: 34776758 PMCID: PMC8583853 DOI: 10.1080/15685551.2021.1997178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 10/20/2021] [Indexed: 11/21/2022] Open
Abstract
Density functional theory (DFT) and time-dependent DFT (TD-DFT) are used to investigate the ground- and excited-state properties of donor-acceptor-donor (D-A-D) monomers based on 3,6-carbazole (CB) combined with various-conjugated benzothiazole derivatives, using B3LYP and the 6-311 G basis set. To create nine D-A-D monomers for this investigation, nine (9) distinct acceptors were inserted at the C3 and C6 positions of carbazole. The impact of various electron-donor groups on structural, electrical, and optoelectronic properties is investigated. Our technique for developing novel donor monomers provides a theoretical framework for further optimizing the photovoltaic device's electrical, optical, and efficiency features. The HOMO and LUMO energies, bandgap, excited state, exciton binding energy, open-circuit voltage (VOC) and absorption spectra were calculated. Our findings indicate that CB-TDP-CB and CB-SDP-CB monomers have an appropriate electronic structure for polymer solar cells.
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Affiliation(s)
- Numbury Surendra Babu
- Computational Quantum Chemistry Lab, Department of Chemistry, College of Natural and Mathematical Sciences, the University of Dodoma, Dodoma, Tanzania
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24
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Synthesis, photophysical properties, and computational studies of benzothiadiazole and/or phenothiazine based donor/acceptor π-conjugated copolymers. JOURNAL OF POLYMER RESEARCH 2021. [DOI: 10.1007/s10965-021-02621-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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25
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Tu K, Liu C, He E, Cheng J, Zhang L, Cheng Z. Reduction-Induced Crystallization-Driven Self-Assembly of Main-Chain-Type Alternating Copolymers: Transformation from 1D Lines to 2D Platelets. ACS Macro Lett 2021; 10:564-569. [PMID: 35570758 DOI: 10.1021/acsmacrolett.1c00109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
In recent years, crystalline-driven self-assembly (CDSA) has received enormous attention, but almost only for block copolymers (BCPs). Herein, we introduced perfluorocarbon chains into main-chain-type liquid crystalline alternating copolymers (ACPs) to obtain perfluoroalkane-containing ACPs with periodic C-I bonds in polymer backbones via step transfer-addition and radical-termination (START) polymerization, followed by an iodine reduction reaction of C-I bonds to induce CDSA of ACPs and put forward a novel concept of "reduction-induced crystallization-driven self-assembly" (RI-CDSA) of main-chain-type ACPs for the first time. Finally, we proposed the folded-chain model and mechanism to explain the novel RI-CDSA behavior, and its rationality has been proved by the corresponding experimental results.
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Affiliation(s)
- Kai Tu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials; Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis; College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Cheng Liu
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 21513, China
| | - Enjie He
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials; Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis; College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Jiannan Cheng
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials; Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis; College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Lifen Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials; Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis; College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Zhenping Cheng
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials; Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis; College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
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26
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Rana D, Materny A. Effect of static external electric field on bulk and interfaces in organic solar cell systems: A density-functional-theory-based study. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 253:119565. [PMID: 33631630 DOI: 10.1016/j.saa.2021.119565] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 01/21/2021] [Accepted: 01/27/2021] [Indexed: 06/12/2023]
Abstract
In this work, a detailed comparison of optical and electronic properties in bulk and interfaces of well-known organic semiconductor systems in presence of an external electric field is reported. We have used density functional theory (DFT) to model organic solar cell systems. The study promotes a deeper understanding of the connection between the chemical structures and the optical and electronic properties in the well-known organic solar cell systems based on thiophene and fullerene polymers. We have performed a vibration-mode analysis by simulating Raman spectra in presence of external electric fields. Time-dependent DFT has been used to investigate the effect of an external electric field on excited state properties. The charge-transfer rate controlled by the external electric field has been quantitatively extracted using the simulated excited state dipole moment, Gibbs free energy, and Marcus theory. Our results provide a detailed characterization of the effect of the external electric field on the neat polymers (bulk) and on the donor-acceptor heterojunctions (interfaces) in organic solar cell systems. This theoretical approach not only helps to understand the effect of an external field on bulk and interfaces in organic semiconductors, but it also supports the design of novel devices.
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Affiliation(s)
- Debkumar Rana
- Physics and Earth Sciences, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
| | - Arnulf Materny
- Physics and Earth Sciences, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany.
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27
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Novel D-A-D Fluorescent Dyes Based on 9-( p-Tolyl)-2,3,4,4a,9,9a-hexahydro-1 H-carbazole as a Donor Unit for Solution-Processed Organic Light-Emitting-Diodes. Molecules 2021; 26:molecules26102872. [PMID: 34066150 PMCID: PMC8151704 DOI: 10.3390/molecules26102872] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/26/2021] [Accepted: 05/08/2021] [Indexed: 12/01/2022] Open
Abstract
New fluorescent D-A-D dyes containing 9-(p-tolyl)-2,3,4,4a,9,9a-hexahydro-1H-carbazole as a donor unit and 2,1,3-benzochalcogenadiazoles as an electron-withdrawing group were synthesized. The photoluminescent and electroluminescent properties of novel dyes for fluorescent OLED application were investigated. It was demonstrated that the replacement of lightweight heteroatoms by heavier ones enables the fine tuning of the maximum emission without significantly reducing the luminescence quantum yield. The maximum quantum yield value of 62.6% for derivatives based on 2,1,3-benzoxadiazole (1a) in cyclohexane was achieved. Two devices with the architecture of glass/ITO/PEDOT-PSS/poly-TPD/EML/TPBi/LiF/Al (EML = emitting layer) were fabricated to check the suitability of the synthesized compounds as a single active emission layer in OLED. These OLEDs exhibited clear red electroluminescence of the dyes with the maximum current efficiency of 0.85 Cd/A.
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28
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Kim SG, Le TH, de Monfreid T, Goubard F, Bui TT, Park NG. Capturing Mobile Lithium Ions in a Molecular Hole Transporter Enhances the Thermal Stability of Perovskite Solar Cells. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2007431. [PMID: 33604974 DOI: 10.1002/adma.202007431] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 01/05/2021] [Indexed: 06/12/2023]
Abstract
A thermally stable perovskite solar cell (PSC) based on a new molecular hole transporter (MHT) of 1,3-bis(5-(4-(bis(4-methoxyphenyl) amino)phenyl)thieno[3,2-b]thiophen-2-yl)-5-octyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione (coded HL38) is reported. Hole mobility of 1.36 × 10-3 cm2 V-1 s-1 and glass transition temperature of 92.2 °C are determined for the HL38 doped with lithium bis(trifluoromethanesulfonyl)imide and 4-tert-butylpyridine as additives. Interface engineering with 2-(2-aminoethyl)thiophene hydroiodide (2-TEAI) between the perovskite and the HL38 improves the power conversion efficiency (PCE) from 19.60% (untreated) to 21.98%, and this champion PCE is even higher than that of the additive-containing 2,2',7,7'-tetrakis(N,N-di-p-methoxyphenylamine)-9,9'-spirobifluorene (spiro-MeOTAD)-based device (21.15%). Thermal stability testing at 85 °C for over 1000 h shows that the HL38-based PSC retains 85.9% of the initial PCE, while the spiro-MeOTAD-based PSC degrades unrecoverably from 21.1% to 5.8%. Time-of-flight secondary-ion mass spectrometry studies combined with Fourier transform infrared spectroscopy reveal that HL38 shows lower lithium ion diffusivity than spiro-MeOTAD due to a strong complexation of the Li+ with HL38, which is responsible for the higher degree of thermal stability. This work delivers an important message that capturing mobile Li+ in a hole-transporting layer is critical in designing novel MHTs for improving the thermal stability of PSCs. In addition, it also highlights the impact of interface design on non-conventional MHTs.
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Affiliation(s)
- Seul-Gi Kim
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, 440-746, Korea
| | - Thi Huong Le
- CY Cergy Paris Université, LPPI, Cergy, F-95000, France
| | | | | | | | - Nam-Gyu Park
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, 440-746, Korea
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29
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Delesma C, Amador-Bedolla C, Robles M, Muñiz J. Photoisomerization and its effect in the opto-electronic properties of organic photovoltaic materials: A quantum chemistry study. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113155] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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30
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Energy Transfer Systems for In Vivo Tracking. Methods Mol Biol 2021. [PMID: 32112378 DOI: 10.1007/978-1-0716-0364-2_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
With recent advances, fluorescent imaging has gained momentum as an important tool for in vivo imaging. FRET systems consist of molecules that absorb in the near-infrared region which are efficient candidates for in vivo imaging, basic research, and clinical applications. Nontoxic, photostable fluorophores, such as fluorescent proteins and dyes, can successfully be used to visualize spatial and temporal dynamics of living cells. Selected cells to be injected are first tagged with the FRET-based biosensor and then injected to the living animal. Then, these foreign cells in the host body can be visualized under fluorescence microscope via excitation of the fluorophores at the correct wavelength.
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31
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El-Shehawy AA, Attia AM, Abdallah ARIA, El-Hendawy MM. Synthesis, characterization, photophysical properties, and computational studies on N-hexylphenothiazine/cyanopyridine based π-conjugated copolymers. HIGH PERFORM POLYM 2021. [DOI: 10.1177/0954008320988757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
In this paper, π-conjugated copolymers, namely N-hexylphenothiazine/cyanopyridine/phenyl/benzothiadiazole, N-hexylphenothiazine/cyanopyridine/phenyl/9,9-dihexylfluorene, and N-hexylphenothiazine/cyanopyridine/phenyl/9,9-diethylhexylfluorene were readily synthesized via Pd-catalyzed Suzuki cross-coupling reaction. The polymer structures and their photophysical properties were characterized by elemental analysis, 1H NMR, GPC, TGA, XRD, UV-vis absorption and PL spectroscopy measurements. The coupling agent effect on photophysical properties of copolymers was investigated to rationally design polymers with particular physical properties to be employed in optoelectronic devices. The UV-vis absorption spectroscopy of copolymers showed λmax at a range of ∼334–474 nm and red-shifted in their films to a range of ∼342–381 nm. These copolymers displayed highly intense fluorescence in their solutions and films. The PL spectra of copolymers indicated red and near-infrared light, rendering them a prospect for being red and near-infrared light-emitting materials for PLEDs. XRD analysis demonstrated a d-spacing range of ∼3.79–4.32 Å, reflecting π-π stacking and some degree of crystallinity in some polymers, and only P1 and P2 showed peaks in the small-angle region, indicating lamellar structures. To understand the relationship between molecular structures of target materials and their photophysical and photovoltaic properties, density functional theory (DFT) and its time-dependent form (TD-DFT) were employed.
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Affiliation(s)
- Ashraf A El-Shehawy
- Department of Chemistry, Faculty of Science, Kafrelsheikh University, Kafrelsheikh, Egypt
| | - Adel M Attia
- Department of Chemistry, Faculty of Science, Kafrelsheikh University, Kafrelsheikh, Egypt
| | | | - Morad M El-Hendawy
- Department of Chemistry, Faculty of Science, New Valley University, Kharga, Egypt
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32
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Magnanelli TJ, Heilweil EJ. Charge conductivity in donor–acceptor polymer dispersions measured with time-resolved terahertz spectroscopy. Chem Phys 2021. [DOI: 10.1016/j.chemphys.2020.111005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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33
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Gogoi G, Bhattacharya L, Sahoo SR, Sahu S, Sarma NS, Sharma S. Enhancement of air-stability, π-stacking ability, and charge transport properties of fluoroalkyl side chain engineered n-type naphthalene tetracarboxylic diimide compounds. RSC Adv 2021; 11:57-70. [PMID: 35423045 PMCID: PMC8690421 DOI: 10.1039/d0ra08345c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 11/26/2020] [Indexed: 11/21/2022] Open
Abstract
In this study, the impact of fluoroalkyl side chain substitution on the air-stability, π-stacking ability, and charge transport properties of the versatile acceptor moiety naphthalene tetracarboxylic diimide (NDI) has been explored. A density functional theory (DFT) study has been carried out for a series of 24 compounds having different side chains (alkyl, fluoroalkyl) through the imide nitrogen position of NDI moiety. The fluoroalkyl side chain engineered NDI compounds have much deeper highest occupied molecular orbitals (HOMO) and lowest unoccupied molecular orbitals (LUMO) than those of their alkyl substituted compounds due to the electron withdrawing nature of fluoroalkyl groups. The higher electron affinity (EA > 2.8 eV) and low-lying LUMO levels (<−4.00 eV) for fluoroalkyl substituted NDIs reveal that they may exhibit better air-stability with superior n-type character. The computed optical absorption spectra (∼386 nm) for all the investigated NDIs using time-dependent DFT (TD-DFT) lie in the ultra-violet (UV) region of the solar spectrum. In addition, the low value of the LOLIPOP (Localized Orbital Locator Integrated Pi Over Plane) index for fluoroalkyl side chain comprising NDI compounds indicates better π–π stacking ability. This is also in good agreement for the predicted π–π stacking interaction obtained from a molecular electrostatic potential energy surface (ESP) study. The π–π stacking is thought to be of cofacial interaction for the fluoroalkyl substituted compounds and herringbone interaction for the alkyl substituted compounds. The calculated results shed light on why side chain engineering with fluoroalkyl groups can effectively lead to better air-stability, π-stacking ability and improved charge transport properties. In this study, the impact of fluoroalkyl side chain substitution on the air-stability, π-stacking ability, and charge transport properties of the versatile acceptor moiety naphthalene tetracarboxylic diimide (NDI) has been explored.![]()
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Affiliation(s)
- Gautomi Gogoi
- Advanced Materials Laboratory
- Physical Sciences Division
- Institute of Advanced Study in Science and Technology
- Guwahati-781035
- India
| | - Labanya Bhattacharya
- High Performance Computing Lab
- Department of Physics
- Indian Institute of Technology (Indian School of Mines)
- Dhanbad
- India
| | - Smruti R. Sahoo
- High Performance Computing Lab
- Department of Physics
- Indian Institute of Technology (Indian School of Mines)
- Dhanbad
- India
| | - Sridhar Sahu
- High Performance Computing Lab
- Department of Physics
- Indian Institute of Technology (Indian School of Mines)
- Dhanbad
- India
| | - Neelotpal Sen Sarma
- Advanced Materials Laboratory
- Physical Sciences Division
- Institute of Advanced Study in Science and Technology
- Guwahati-781035
- India
| | - Sagar Sharma
- Department of Chemistry
- School of Fundamental and Applied Sciences
- Assam Don Bosco University
- Guwahati-782402
- India
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34
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Kehl A, Schupp N, Breising VM, Schollmeyer D, Waldvogel SR. Electrochemical Synthesis of Carbazoles by Dehydrogenative Coupling Reaction. Chemistry 2020; 26:15847-15851. [PMID: 32737905 PMCID: PMC7756279 DOI: 10.1002/chem.202003430] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Indexed: 12/14/2022]
Abstract
A constant current protocol, employing undivided cells, a remarkably low supporting electrolyte concentration, inexpensive electrode materials, and a straightforward precursor synthesis enabling a novel access to N‐protected carbazoles by anodic N,C bond formation using directly generated amidyl radicals is reported. Scalability of the reaction is demonstrated and an easy deblocking of the benzoyl protecting group is presented.
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Affiliation(s)
- Anton Kehl
- Department of Chemistry, Johannes Gutenberg University Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
| | - Niclas Schupp
- Department of Chemistry, Johannes Gutenberg University Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
| | - Valentina M Breising
- Department of Chemistry, Johannes Gutenberg University Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
| | - Dieter Schollmeyer
- Department of Chemistry, Johannes Gutenberg University Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
| | - Siegfried R Waldvogel
- Department of Chemistry, Johannes Gutenberg University Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
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35
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Wang PL, Wang Y, Li Y, Wang XS. Rh(III)-Catalyzed N-Nitroso Directed C-H Arylation for Facile Construction of Diverse N-Hetero Biaryl Compounds. Chem Asian J 2020; 15:3825-3828. [PMID: 33047472 DOI: 10.1002/asia.202000949] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 10/08/2020] [Indexed: 01/17/2023]
Abstract
A Rh(III)-catalyzed C-H arylation reaction of N-nitrosoanilines has been developed in which arylboronic acids were used as arylation reagents. It provides an efficient strategy for the synthesis of N-nitroso-[1,1'-biphenyl]-2-amine, which is an important starting material for the synthesis of N-hetero biaryl compounds, such as 2-amine-1,1'-biphenyl, carbazole, phenanthridone. This protocol can be applied to various N-alkyl substituted N-nitrosoanilines and N-nitrosoanilines with substituents on the phenyl ring. Arylboronic acids with both electron-donating and electron-withdrawing groups are tolerated.
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Affiliation(s)
- Pei-Long Wang
- Department of chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui, 230026, P. R. China.,Department of chemistry, Huaibei Normal University, 100 Dongshan Road, Huaibei, Anhui, 235000, P. R. China.,Information College, Huaibei Normal University, 100 Dongshan Road, Huaibei, Anhui, 235000, P. R. China
| | - Yan Wang
- Department of chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui, 230026, P. R. China
| | - Yan Li
- Department of chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui, 230026, P. R. China
| | - Xi-Sheng Wang
- Department of chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui, 230026, P. R. China
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36
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R. Murad A, Iraqi A, Aziz SB, N. Abdullah S, Brza MA. Conducting Polymers for Optoelectronic Devices and Organic Solar Cells: A Review. Polymers (Basel) 2020; 12:E2627. [PMID: 33182241 PMCID: PMC7695322 DOI: 10.3390/polym12112627] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 11/03/2020] [Accepted: 11/03/2020] [Indexed: 02/05/2023] Open
Abstract
In this review paper, we present a comprehensive summary of the different organic solar cell (OSC) families. Pure and doped conjugated polymers are described. The band structure, electronic properties, and charge separation process in conjugated polymers are briefly described. Various techniques for the preparation of conjugated polymers are presented in detail. The applications of conductive polymers for organic light emitting diodes (OLEDs), organic field effect transistors (OFETs), and organic photovoltaics (OPVs) are explained thoroughly. The architecture of organic polymer solar cells including single layer, bilayer planar heterojunction, and bulk heterojunction (BHJ) are described. Moreover, designing conjugated polymers for photovoltaic applications and optimizations of highest occupied molecular orbital (HOMO)-lowest unoccupied molecular orbital (LUMO) energy levels are discussed. Principles of bulk heterojunction polymer solar cells are addressed. Finally, strategies for band gap tuning and characteristics of solar cell are presented. In this article, several processing parameters such as the choice of solvent(s) for spin casting film, thermal and solvent annealing, solvent additive, and blend composition that affect the nano-morphology of the photoactive layer are reviewed.
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Affiliation(s)
- Ary R. Murad
- Department of Chemistry, University of Sheffield, Sheffield S3 7HF, UK;
- Department of Pharmaceutical Chemistry, College of Medical and Applied Sciences, Charmo University, Chamchamal, Sulaimani 46023, Iraq
| | - Ahmed Iraqi
- Department of Chemistry, University of Sheffield, Sheffield S3 7HF, UK;
| | - Shujahadeen B. Aziz
- Hameed Majid Advanced Polymeric Materials Research Lab., Department of Physics, College of Science, University of Sulaimani, Qlyasan Street, Sulaimani 46001, Iraq
- Department of Civil engineering, College of Engineering, Komar University of Science and Technology, Sulaimani 46001, Iraq
| | - Sozan N. Abdullah
- Department of Chemistry, College of Science, University of Sulaimani, Qlyasan Street, Kurdistan Regional Government, Sulaimani 46001, Iraq;
| | - Mohamad A. Brza
- Department of Manufacturing and Materials Engineering, Faculty of Engineering, International Islamic University of Malaysia, Kuala Lumpur, Gombak 53100, Malaysia;
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37
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Pankow RM, Thompson BC. The development of conjugated polymers as the cornerstone of organic electronics. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.122874] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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38
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Bekkar F, Bettahar F, Moreno I, Meghabar R, Hamadouche M, Hernáez E, Vilas-Vilela JL, Ruiz-Rubio L. Polycarbazole and Its Derivatives: Synthesis and Applications. A Review of the Last 10 Years. Polymers (Basel) 2020; 12:E2227. [PMID: 32998386 PMCID: PMC7601494 DOI: 10.3390/polym12102227] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 09/24/2020] [Accepted: 09/26/2020] [Indexed: 01/09/2023] Open
Abstract
Polycarbazole and its derivatives have been extensively used for the last three decades, although the interest in these materials briefly decreased. However, the increasing demand for conductive polymers for several applications such as light emitting diodes (OLEDs), capacitators or memory devices, among others, has renewed the interest in carbazole-based materials. In this review, the synthetic routes used for the development of carbazole-based polymers have been summarized, reviewing the main synthetic methodologies, namely chemical and electrochemical polymerization. In addition, the applications reported in the last decade for carbazole derivatives are analysed. The emergence of flexible and wearable electronic devices as a part of the internet of the things could be an important driving force to renew the interest on carbazole-based materials, being conductive polymers capable to respond adequately to requirement of these devices.
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Affiliation(s)
- Fadila Bekkar
- Laboratoire de Chimie des Polymères, Université Oran1 Ahmed Ben Bella, El-Mnaouer, BP 1524, Oran 31000, Algerie; (F.B.); (F.B.); (R.M.)
| | - Faiza Bettahar
- Laboratoire de Chimie des Polymères, Université Oran1 Ahmed Ben Bella, El-Mnaouer, BP 1524, Oran 31000, Algerie; (F.B.); (F.B.); (R.M.)
| | - Isabel Moreno
- Macromolecular Chemistry Group (LQM), Organic Chemistry II Department, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain;
| | - Rachid Meghabar
- Laboratoire de Chimie des Polymères, Université Oran1 Ahmed Ben Bella, El-Mnaouer, BP 1524, Oran 31000, Algerie; (F.B.); (F.B.); (R.M.)
| | - Mohammed Hamadouche
- Laboratoire de Chimie Fine, Département de Chimie, Faculté des Sciences Exactes et Appliquées, Université Oran1 Ahmed Ben Bella, El-Mnaouer, BP 1524, Oran 31000, Algerie;
| | - Estibaliz Hernáez
- Macromolecular Chemistry Group (LQM), Physical Chemistry Department, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain; (E.H.); (J.L.V.-V.)
| | - José Luis Vilas-Vilela
- Macromolecular Chemistry Group (LQM), Physical Chemistry Department, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain; (E.H.); (J.L.V.-V.)
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain
| | - Leire Ruiz-Rubio
- Macromolecular Chemistry Group (LQM), Physical Chemistry Department, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain; (E.H.); (J.L.V.-V.)
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain
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39
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Kuznetsov IE, Nikitenko SL, Kuznetsov PM, Dremova NN, Troshin PA, Akkuratov AV. Solubilizing Side Chain Engineering: Efficient Strategy to Improve the Photovoltaic Performance of Novel Benzodithiophene‐Based (X‐DADAD)
n
Conjugated Polymers. Macromol Rapid Commun 2020; 41:e2000430. [DOI: 10.1002/marc.202000430] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 09/06/2020] [Indexed: 11/10/2022]
Affiliation(s)
- Ilya E. Kuznetsov
- Institute for Problems of Chemical Physics of the Russian Academy of Sciences (IPCP RAS) Academician Semenov avenue 1, Chernogolovka Moscow 142432 Russia
| | - Sergey L. Nikitenko
- Institute for Problems of Chemical Physics of the Russian Academy of Sciences (IPCP RAS) Academician Semenov avenue 1, Chernogolovka Moscow 142432 Russia
| | - Petr M. Kuznetsov
- Institute for Problems of Chemical Physics of the Russian Academy of Sciences (IPCP RAS) Academician Semenov avenue 1, Chernogolovka Moscow 142432 Russia
| | - Nadezhda N. Dremova
- Institute for Problems of Chemical Physics of the Russian Academy of Sciences (IPCP RAS) Academician Semenov avenue 1, Chernogolovka Moscow 142432 Russia
| | - Pavel A. Troshin
- Institute for Problems of Chemical Physics of the Russian Academy of Sciences (IPCP RAS) Academician Semenov avenue 1, Chernogolovka Moscow 142432 Russia
- Skolkovo Institute of Science and Technology Nobel st. 3 Moscow 143025 Russia
| | - Alexander V. Akkuratov
- Institute for Problems of Chemical Physics of the Russian Academy of Sciences (IPCP RAS) Academician Semenov avenue 1, Chernogolovka Moscow 142432 Russia
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40
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Yuan J, Zhang H, Zhang R, Wang Y, Hou J, Leclerc M, Zhan X, Huang F, Gao F, Zou Y, Li Y. Reducing Voltage Losses in the A-DA′D-A Acceptor-Based Organic Solar Cells. Chem 2020. [DOI: 10.1016/j.chempr.2020.08.003] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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41
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Nayana V, Kandasubramanian B. Polycarbazole and its derivatives: progress, synthesis, and applications. JOURNAL OF POLYMER RESEARCH 2020. [DOI: 10.1007/s10965-020-02254-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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42
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Tariq A, Ramzan H, Ahmad SW, Bhatti IA, Ajmal M, Khalid M, Iqbal J. The theoretical investigation of the opto-electronic properties of designed molecules having 2-(2-Methylene-3-oxo-indane-1-ylidene)malononitrile as end-capped acceptors. Z PHYS CHEM 2020. [DOI: 10.1515/zpch-2019-1523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Five acceptor-donor-acceptor molecules having different core units with 2-(2-Methylene-3-oxo-indane-1-ylidene)malononitrile as end capped terminal acceptor unit were designed. The ground state geometries and electronic properties were calculated by using density functional theory (DFT) at MPW1PW91/6-31G(d,p) level of theory. The absorption spectra were computed by using time dependent DFT at MPW1PW91/6-31G(d,p) level of theory. The designed molecules have broad absorption range in visible region. M3 shows relatively lower band gap so that having high light harvesting efficiency (LHE). The molecules consider as better hole blocking materials in term of high ionization potentials. The reorganization energies calculation of M1, M2 and M4 manifests that these molecules are the optimal candidate for electron transportation. High value of Voc has been observed for molecules which would favorably contribute in power conversion efficiency. M1, M2, M4 and M5 are more stable in terms of absolute hardness and electrostatic potential surfaces. All molecules show good opto-electronic properties in the aspect of their use in photovoltaic application.
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Affiliation(s)
- Amina Tariq
- Department of Chemistry , University of Agriculture Faisalabad, 38000 , Faisalabad , Pakistan
| | - Hina Ramzan
- Department of Chemistry , University of Agriculture Faisalabad, 38000 , Faisalabad , Pakistan
| | - Syed Waqas Ahmad
- Department of Chemical and Polymer Engineering , University of Engineering and Technology, Faisalabad Campus , Faisalabad , Pakistan
| | - Ijaz Ahmad Bhatti
- Department of Chemistry , University of Agriculture Faisalabad, 38000 , Faisalabad , Pakistan
| | - Maryam Ajmal
- Department of Chemistry , University of Agriculture Faisalabad, 38000 , Faisalabad , Pakistan
| | - Muhammad Khalid
- Department of Chemistry , Khwaja Fareed University of Engineering & Information Technology , Rahim Yar Khan, 64200 , Pakistan
| | - Javed Iqbal
- Department of Chemistry , University of Agriculture Faisalabad, 38000 , Faisalabad , Pakistan
- Department of Chemistry , Khwaja Fareed University of Engineering & Information Technology , Rahim Yar Khan, 64200 , Pakistan
- Punjab Bioenergy Institute , University of Agriculture Faisalabad , Faisalabad, 38000 , Pakistan
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43
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Tariq A, Ramzan H, Ahmad SW, Bhatti IA, Ajmal M, Khalid M, Iqbal J. The theoretical investigation of the opto-electronic properties of designed molecules having 2-(2-Methylene-3-oxo-indane-1-ylidene)malononitrile as end-capped acceptors. Z PHYS CHEM 2020. [DOI: 10.1515/zpc-2019-1523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Five acceptor-donor-acceptor molecules having different core units with 2-(2-Methylene-3-oxo-indane-1-ylidene)malononitrile as end capped terminal acceptor unit were designed. The ground state geometries and electronic properties were calculated by using density functional theory (DFT) at MPW1PW91/6-31G(d,p) level of theory. The absorption spectra were computed by using time dependent DFT at MPW1PW91/6-31G(d,p) level of theory. The designed molecules have broad absorption range in visible region. M3 shows relatively lower band gap so that having high light harvesting efficiency (LHE). The molecules consider as better hole blocking materials in term of high ionization potentials. The reorganization energies calculation of M1, M2 and M4 manifests that these molecules are the optimal candidate for electron transportation. High value of Voc has been observed for molecules which would favorably contribute in power conversion efficiency. M1, M2, M4 and M5 are more stable in terms of absolute hardness and electrostatic potential surfaces. All molecules show good opto-electronic properties in the aspect of their use in photovoltaic application.
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Affiliation(s)
- Amina Tariq
- Department of Chemistry , University of Agriculture Faisalabad, 38000 , Faisalabad , Pakistan
| | - Hina Ramzan
- Department of Chemistry , University of Agriculture Faisalabad, 38000 , Faisalabad , Pakistan
| | - Syed Waqas Ahmad
- Department of Chemical and Polymer Engineering , University of Engineering and Technology, Faisalabad Campus , Faisalabad , Pakistan
| | - Ijaz Ahmad Bhatti
- Department of Chemistry , University of Agriculture Faisalabad, 38000 , Faisalabad , Pakistan
| | - Maryam Ajmal
- Department of Chemistry , University of Agriculture Faisalabad, 38000 , Faisalabad , Pakistan
| | - Muhammad Khalid
- Department of Chemistry , Khwaja Fareed University of Engineering & Information Technology , Rahim Yar Khan, 64200 , Pakistan
| | - Javed Iqbal
- Department of Chemistry , University of Agriculture Faisalabad, 38000 , Faisalabad , Pakistan
- Department of Chemistry , Khwaja Fareed University of Engineering & Information Technology , Rahim Yar Khan, 64200 , Pakistan
- Punjab Bioenergy Institute , University of Agriculture Faisalabad , Faisalabad, 38000 , Pakistan
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44
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Intramolecular hydrogen-bonding effects on structural and electronic properties of pyrrole-phenylene derivatives: a DFT study. Theor Chem Acc 2020. [DOI: 10.1007/s00214-020-02623-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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45
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Yang J, Devillers CH, Fleurat-Lessard P, Jiang H, Wang S, Gros CP, Gupta G, Sharma GD, Xu H. Carbazole-based green and blue-BODIPY dyads and triads as donors for bulk heterojunction organic solar cells. Dalton Trans 2020; 49:5606-5617. [PMID: 32285049 DOI: 10.1039/d0dt00637h] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Two BODIPY derivatives with one (B2) and two (B3) carbazole moieties were synthesized and applied as electron-donor materials in organic photovoltaic cells (OPV). Their optical and electrochemical properties were systematically investigated. These BODIPY dyes exhibit excellent solubility in organic solvents and present high molar extinction coefficients (1.37-1.48 × 105 M-1 cm-1) in solutions with absorption maxima at 586 nm for mono-styryl groups and at 672 nm for di-styryl groups. The introduction of the styryl moieties results in a large bathochromic shift and a significant decrease in the HOMO-LUMO energy-gaps. The BODIPY dyes show relatively low HOMO energies ranging from -4.99 to -5.16 eV as determined from cyclic voltammetry measurements. Cyclic voltammetry measurements and theoretical calculations demonstrate that the frontier molecular orbital levels of these compounds match with those of PC71BM as the acceptor, supporting their application as donor materials in solution-processed small molecule bulk heterojunction (BHJ) organic solar cells. After the optimization of the active layer, B2:PC71BM and B3:PC71BM based organic solar cells showed an overall power conversion efficiency of 6.41% and 7.47%, respectively. The higher PCE of the B3-based OSC is ascribed to the more balanced charge transport and exciton dissociation, better crystallinity and molecular packing.
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Affiliation(s)
- Jian Yang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China.
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46
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Eroglu D, Cansu Ergun EG, Önal AM. Cross-exchange of donor units in donor-acceptor-donor type conjugated molecules: Effect of symmetrical and unsymmetrical linkage on the electrochemical and optical properties. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131164] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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47
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Zhang P, Li B, Niu L, Wang L, Zhang G, Jia X, Zhang G, Liu S, Ma L, Gao W, Qin D, Chen J. Scalable Electrochemical Transition‐Metal‐Free Dehydrogenative Cross‐Coupling Amination Enabled Alkaloid Clausines Synthesis. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000228] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Pan Zhang
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Pharmaceutical EngineeringQilu University of Technology (Shandong Academy of Sciences) Jinan 250353 People's Republic of China
| | - Baoying Li
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Pharmaceutical EngineeringQilu University of Technology (Shandong Academy of Sciences) Jinan 250353 People's Republic of China
| | - Liwei Niu
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Pharmaceutical EngineeringQilu University of Technology (Shandong Academy of Sciences) Jinan 250353 People's Republic of China
| | - Ling Wang
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Pharmaceutical EngineeringQilu University of Technology (Shandong Academy of Sciences) Jinan 250353 People's Republic of China
| | - Guofeng Zhang
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Pharmaceutical EngineeringQilu University of Technology (Shandong Academy of Sciences) Jinan 250353 People's Republic of China
| | - Xiaofei Jia
- Shandong Key Laboratory of Biochemical Analysis, Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular EngineeringQingdao University of Science and Technology Qingdao 266042 People's Republic of China
| | - Guoying Zhang
- Shandong Key Laboratory of Biochemical Analysis, Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular EngineeringQingdao University of Science and Technology Qingdao 266042 People's Republic of China
| | - Siyuan Liu
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Pharmaceutical EngineeringQilu University of Technology (Shandong Academy of Sciences) Jinan 250353 People's Republic of China
| | - Li Ma
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Pharmaceutical EngineeringQilu University of Technology (Shandong Academy of Sciences) Jinan 250353 People's Republic of China
| | - Wei Gao
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Pharmaceutical EngineeringQilu University of Technology (Shandong Academy of Sciences) Jinan 250353 People's Republic of China
| | - Dawei Qin
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Pharmaceutical EngineeringQilu University of Technology (Shandong Academy of Sciences) Jinan 250353 People's Republic of China
| | - Jianbin Chen
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Pharmaceutical EngineeringQilu University of Technology (Shandong Academy of Sciences) Jinan 250353 People's Republic of China
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48
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9-(p-Tolyl)-2,3,4,4a,9,9a-hexahydro-1H-carbazole—A new donor building-block in the design of sensitizers for dye-sensitized solar cells. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2019.112333] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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49
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El‐Shehawy AA, Abdo NI, El‐Hendawy MM, Abdallah AI, Lee J. Dialkylthienosilole and
N
‐alkyldithienopyrrole‐based copolymers: Synthesis, characterization, and photophysical study. J PHYS ORG CHEM 2020. [DOI: 10.1002/poc.4063] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
| | - Nabiha I. Abdo
- Higher Institute of Engineering and Technology New Borg El‐Arab City Egypt
| | | | | | - Jae‐Suk Lee
- School of Material Science and Engineering, the Grubbs Center for Polymers and Catalysis and Research Institute for Solar and Sustainable Energy (RISE)Gwangju Institute of Science and Technology (GIST) Gwangju Republic of Korea
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Chen Z, Zhang H, Wen D, Wu W, Zeng Q, Chen S, Wong WY. A simple and efficient approach toward deep-red to near-infrared-emitting iridium(iii) complexes for organic light-emitting diodes with external quantum efficiencies of over 10. Chem Sci 2020; 11:2342-2349. [PMID: 34084394 PMCID: PMC8157343 DOI: 10.1039/c9sc05492h] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
While the external quantum efficiency (EQE) of iridium(iii) (Ir(iii)) phosphor based near-infrared organic light-emitting diodes (NIR OLEDs) has been limited to 5.7% to date, there is no significant EQE improvement for these types of OLEDs due to the lack of efficient Ir(iii) emitters. Here, a convenient approach within three synthetic steps is developed to afford two novel and efficient deep-red to near-infrared (DR-NIR) emitting phosphors (CNIr and TCNIr), in which a cyano group is added into a commercial red emitter named Ir(piq)2(acac) to significantly stabilize the lowest unoccupied molecular orbitals of the newly designed Ir(iii) complexes. They emit strong DR-NIR phosphorescence emissions at a wavelength of around 700 nm, with relatively high absolute quantum efficiencies of around 45% for their doped films. DR-NIR OLEDs made using CNIr and TCNIr exhibit high-efficiencies, affording peak EQEs of 10.62% and 9.59% with emission peak wavelengths of 690 and 706 nm, respectively. All these devices represent the most efficient Ir(iii)-based DR-NIR OLEDs with a similar color gamut. The simplified synthesis procedure of the DR-NIR-emitting phosphors in conjunction with their excellent performance in OLEDs confirms our efficient strategy to achieve the DR-NIR-emitting Ir(iii) phosphors.
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Affiliation(s)
- Zhao Chen
- School of Applied Physics and Materials, Wuyi University Jiangmen 529020 P. R. China
| | - Hongyang Zhang
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University (PolyU) Hung Hom Hong Kong P. R. China .,PolyU Shenzhen Research Institute Shenzhen 518057 P. R. China
| | - Dawei Wen
- School of Applied Physics and Materials, Wuyi University Jiangmen 529020 P. R. China
| | - Wenhai Wu
- School of Applied Physics and Materials, Wuyi University Jiangmen 529020 P. R. China
| | - Qingguang Zeng
- School of Applied Physics and Materials, Wuyi University Jiangmen 529020 P. R. China
| | - Shuming Chen
- Department of Electrical and Electronic Engineering, Southern University of Science and Technology Shenzhen 518055 P. R. China
| | - Wai-Yeung Wong
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University (PolyU) Hung Hom Hong Kong P. R. China .,PolyU Shenzhen Research Institute Shenzhen 518057 P. R. China
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