1
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Lu H, Li D, Liu W, Ran G, Wu H, Wei N, Tang Z, Liu Y, Zhang W, Bo Z. Designing A-D-A Type Fused-Ring Electron Acceptors with a Bulky 3D Substituent at the Central Donor Core to Minimize Non-Radiative Losses and Enhance Organic Solar Cell Efficiency. Angew Chem Int Ed Engl 2024; 63:e202407007. [PMID: 38806441 DOI: 10.1002/anie.202407007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 05/24/2024] [Accepted: 05/28/2024] [Indexed: 05/30/2024]
Abstract
Designing and synthesizing narrow band gap acceptors that exhibit high photoluminescence quantum yield (PLQY) and strong crystallinity is a highly effective, yet challenging, approach to reducing non-radiative energy losses (▵Enr) and boosting the performance of organic solar cells (OSCs). We have successfully designed and synthesized an A-D-A type fused-ring electron acceptor, named DM-F, which features a planar molecular backbone adorned with bulky three-dimensional camphane side groups at its central core. These bulky substituents effectively hinder the formation of H-aggregates of the acceptors, promoting the formation of more J-aggregates and notably elevating the PLQY of the acceptor in the film. As anticipated, DM-F showcases pronounced near-infrared absorption coupled with impressive crystallinity. Organic solar cells (OSCs) leveraging DM-F exhibit a high EQEEL value and remarkably low ▵Enr of 0.14 eV-currently the most minimal reported value for OSCs. Moreover, the power conversion efficiency (PCE) of binary and ternary OSCs utilizing DM-F has reached 16.16 % and 20.09 %, respectively, marking a new apex in reported efficiency within the OSCs field. In conclusion, our study reveals that designing narrow band gap acceptors with high PLQY is an effective way to reduce ▵Enr and improve the PCE of OSCs.
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Affiliation(s)
- Hao Lu
- College of Materials Science and Engineering, Qingdao University, Qingdao, 266071, P. R. China
- College of Textiles & Clothing, State Key Laboratory of Bio-fibers and Eco-textiles, Qingdao University, Qingdao, 266071, China
| | - Dawei Li
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Wenlong Liu
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Guangliu Ran
- Department of Physics and Applied Optics Beijing Area Major Laboratory, Beijing Normal University, Beijing, 100875, China
| | - Hongbo Wu
- Center for Advanced Low-Dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Nan Wei
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Zheng Tang
- Center for Advanced Low-Dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Yahui Liu
- College of Textiles & Clothing, State Key Laboratory of Bio-fibers and Eco-textiles, Qingdao University, Qingdao, 266071, China
| | - Wenkai Zhang
- Department of Physics and Applied Optics Beijing Area Major Laboratory, Beijing Normal University, Beijing, 100875, China
| | - Zhishan Bo
- College of Textiles & Clothing, State Key Laboratory of Bio-fibers and Eco-textiles, Qingdao University, Qingdao, 266071, China
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, China
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2
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Kong Y, Wang S, Li Y, Pan G, Bulut Y, Zhang S, Chai G, Wu Z, Qin H, Fan W, Liu Q, Wei Z, Woo HY, Müller-Buschbaum P, Roth SV, Zhang Q, Ma W. Donor-Acceptor Copolymer with a Linear Backbone Induced Ordered and Robust Doping Morphology for Efficient and Stable Organic Electrochemical Devices. ACS APPLIED MATERIALS & INTERFACES 2024; 16:33885-33896. [PMID: 38888910 DOI: 10.1021/acsami.4c03795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2024]
Abstract
Donor (D)-acceptor (A) copolymer-based organic mixed ionic-electronic conductors (OMIECs) exhibit intrinsic environmental stability for they have tailored energy levels. However, their figure-of-merit (μC*) is still falling behind the D-D polymers because of morphology deterioration during the electrochemical doping process. Herein, we developed two D-A copolymers with precisely regulated backbone curvature, namely PTBT-P and PTTBT-P. Compared to the curved PTBT-P and previously reported copolymers, PTTBT-P better keeps its backbone linear, leading to a long-range ordered doping morphology, which is revealed by the in operando X-ray technique. This optimized doping morphology enables a significantly improved operando charge mobility (μ) of 2.44 cm2 V-1 s-1 and a μC* value of 342 F cm-1 V-1 s-1, one of the highest values in D-A copolymer based on OECTs. Besides, we fabricated PTTBT-P-based electrochemical random-access memories and achieved ideal and robust conductance modulation. This study highlights the critical role of backbone curvature control in the optimization of doping morphology for efficient and robust organic electrochemical devices.
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Affiliation(s)
- Yuxin Kong
- School of Materials Science and Engineering, Xi'an University of Science and Technology, Xi'an 710054, China
| | - Shijie Wang
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China
| | - Yuxiang Li
- School of Materials Science and Engineering, Xi'an University of Science and Technology, Xi'an 710054, China
| | - Guangjiu Pan
- TUM School of Natural Science, Department of Physics, Chair for Functional Materials, Technical University of Munich, 85748 Garching, Germany
| | - Yusuf Bulut
- TUM School of Natural Science, Department of Physics, Chair for Functional Materials, Technical University of Munich, 85748 Garching, Germany
- Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
| | - Sen Zhang
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China
| | - Guobi Chai
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P. R. China
| | - Ziang Wu
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
| | - Hongmei Qin
- School of Materials Science and Engineering, Xi'an University of Science and Technology, Xi'an 710054, China
| | - Wu Fan
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P. R. China
| | - Qingwen Liu
- School of Mechanics and Safety Engineering Science, Zhengzhou University, Zhengzhou 450001, China
| | - Zonhan Wei
- School of Mechanics and Safety Engineering Science, Zhengzhou University, Zhengzhou 450001, China
| | - Han Young Woo
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
| | - Peter Müller-Buschbaum
- TUM School of Natural Science, Department of Physics, Chair for Functional Materials, Technical University of Munich, 85748 Garching, Germany
- Heinz Maier-Leibnitz Zentrum (MLZ), Technical University of Munich, 85748 Garching, Germany
| | - Stephan V Roth
- Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, Teknikringen 56-58, SE-100 44 Stockholm, Sweden
| | - Qidong Zhang
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P. R. China
| | - Wei Ma
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China
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3
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Feng F, Hu Z, Wang J, Wang P, Sun C, Wang X, Bi F, Li Y, Bao X. Non-Fused π-Extension of Endcaps of Small Molecular Acceptors Enabling High-Performance Organic Solar Cells. CHEMSUSCHEM 2024:e202400601. [PMID: 38782717 DOI: 10.1002/cssc.202400601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 05/23/2024] [Accepted: 05/23/2024] [Indexed: 05/25/2024]
Abstract
The modular structure of small molecular acceptors (SMAs) allows for versatile modifications of the materials and boosts the photovoltaic efficiencies of organic solar cells (OSCs) in recent years. As a critical component, the endcaps of SMAs have been intensively investigated and modified to control the molecular aggregation and photo-electronic conversion. However, most of the studies focus on halogenation or π-fusion extension of the endcap moieties, but overlook the non-fused π-extension approach, which could be a promising strategy to balance the self-aggregation and compatibility behaviors. Herein, we reported two new acceptors namely BTP-Th and BTP-FTh based on non-fused π-extension of the endcap by chlorinated-thiophene, of which the latter molecule has better co-planarity and crystallinity because of the intramolecular noncovalent interactions. Paired with donor PBDB-T, the optimal device of BTP-FTh reveals a greater efficiency of 14.81 % that that of BTP-Th (13.91 %). Nevertheless, the BTP-Th based device realizes a lower energy loss, enabling BTP-Th as a good candidate to serve as guest acceptor. As a result, the ternary solar cells of PM6 : BTP-eC9 : BTP-Th output a champion efficiency up to 18.71 % with enhanced open-circuit voltage. This study highlights the significance of rational decoration of endcaps for the design of high-performance SMAs and photovoltaic cells.
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Affiliation(s)
- Fan Feng
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 266101, Qingdao, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Zunyuan Hu
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 266101, Qingdao, China
- College of Materials Science and Engineering, Shandong University of Science and Technology, 266590, Qingdao, China
| | - Jianxiao Wang
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 266101, Qingdao, China
| | - Pengchao Wang
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 266101, Qingdao, China
- School of Polymer Science and Engineering, Qingdao University of Science & Technology, 266042, Qingdao, China
| | - Cheng Sun
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 266101, Qingdao, China
| | - Xiaoning Wang
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 266101, Qingdao, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Fuzhen Bi
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 266101, Qingdao, China
- Laboratory of Solar Energy, Shandong Energy Institute, 266101, Qingdao, China
- Qingdao New Energy Shandong Laboratory, 266101, Qingdao, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Yonghai Li
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 266101, Qingdao, China
- Laboratory of Solar Energy, Shandong Energy Institute, 266101, Qingdao, China
- Qingdao New Energy Shandong Laboratory, 266101, Qingdao, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Xichang Bao
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 266101, Qingdao, China
- Laboratory of Solar Energy, Shandong Energy Institute, 266101, Qingdao, China
- Qingdao New Energy Shandong Laboratory, 266101, Qingdao, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
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4
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Gopikrishna P, Choi H, Kim DH, Lee D, Hwang JH, Jin SM, Lee E, Cho S, Kim B. Halogenated 9H-Indeno[1,2-b]Pyrazine-2,3-Dicarbonitrile End Groups Based Asymmetric Non-Fullerene Acceptors for Green Solvent-Processable, Additive-Free, and Stable Organic Solar Cells. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2401080. [PMID: 38566553 DOI: 10.1002/smll.202401080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 03/21/2024] [Indexed: 04/04/2024]
Abstract
Non-fullerene acceptors (NFAs) significantly enhance photovoltaic performance in organic solar cells (OSCs) using halogenated solvents and additives. However, these solvents are environmentally detrimental and unsuitable for industrial-scale production, and the issue of OSCs' poor long-term stability persists. This report introduces eight asymmetric NFAs (IPCnF-BBO-IC2F, IPCnF-BBO-IC2Cl, IPCnCl-BBO-IC2F, and IPCnCl-BBO-IC2Cl, where n = 1 and 2). These NFAs comprise a 12,13-bis(2-butyloctyl)-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 (BBO) core. One end of the core attaches to a mono- or di-halogenated 9H-indeno[1,2-b]pyrazine-2,3-dicarbonitrile (IPC) end group (IPC1F, IPC1Cl, IPC2F, or IPC2Cl), while the other end connects to a 2-(5,6-dihalo-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile (IC) end group (IC2F or IC2Cl). The optical and electronic properties of these NFAs can be finely tuned by controlling the number of halogen atoms. Crucially, these NFAs demonstrate excellent compatibility with PM6 even in o-xylene, facilitating the production of additive-free OSCs. The di-halogenated IPC-based NFAs outperform their mono-halogenated counterparts in photovoltaic performance within OSCs. Remarkably, the di-halogenated IPC-based NFAs maintain 94‒98% of their initial PCEs over 2000 h in air without encapsulation, indicating superior long-term device stability. These findings imply that the integration of di-halogenated IPCs in asymmetric NFA design offers a promising route to efficient, stable OSCs manufactured through environmentally friendly processes.
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Affiliation(s)
- Peddaboodi Gopikrishna
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan, 44919, Republic of Korea
| | - Huijeong Choi
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan, 44919, Republic of Korea
| | - Do Hui Kim
- Department of Physics and EHSRC, University of Ulsan, 93 Daehak-ro, Nam-gu, Ulsan, 44610, Republic of Korea
| | - Dongchan Lee
- Department of Physics and EHSRC, University of Ulsan, 93 Daehak-ro, Nam-gu, Ulsan, 44610, Republic of Korea
| | - Jun Ho Hwang
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju, 61005, Republic of Korea
| | - Seon-Mi Jin
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju, 61005, Republic of Korea
| | - Eunji Lee
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju, 61005, Republic of Korea
| | - Shinuk Cho
- Department of Physics and EHSRC, University of Ulsan, 93 Daehak-ro, Nam-gu, Ulsan, 44610, Republic of Korea
| | - BongSoo Kim
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan, 44919, Republic of Korea
- Graduate School of Carbon Neutrality, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan, 44919, Republic of Korea
- Graduate School of Semiconductor Materials and Device Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan, 44919, Republic of Korea
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5
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Li Y, Ren J, Liu S, Zhao B, Liang Z, Jee MH, Qin H, Su W, Woo HY, Gao C. Tailoring the Molecular Planarity of Perylene Diimide-Based Third Component toward Efficient Ternary Organic Solar Cells. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2401176. [PMID: 38529741 DOI: 10.1002/smll.202401176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 03/16/2024] [Indexed: 03/27/2024]
Abstract
Incorporating a third component into binary organic solar cells (b-OSCs) has provided a potential platform to boost power conversion efficiency (PCEs). However, gaining control over the non-equilibrium blend morphology via the molecular design of the perylene diimide (PDI)-based third component toward efficient ternary organic solar cells (t-OSCs) still remains challenging. Herein, two novel PDI derivatives are developed with tailored molecular planarity, namely ufBTz-2PDI and fBTz-2PDI, as the third component for t-OSCs. Notably, after performing a cyclization reaction, the twisted ufBTz-2PDI with an amorphous character transferred to the highly planar fBTz-2PDI followed by a semi-crystalline character. When incorporating the semi-crystalline fBTz-2PDI into the D18:L8-BO system, the resultant t-OSC achieved an impressive PCE of 18.56%, surpassing the 17.88% attained in b-OSCs. In comparison, the addition of amorphous ufBTz-2PDI into the binary system facilitates additional charge trap sites and results in a deteriorative PCE of 14.37%. Additionally, The third component fBTz-2PDI possesses a good generality in optimizing the PCEs of several b-OSCs systems are demonstrated. The results not only provided a novel A-DA'D-A motif for further designing efficient third component but also demonstrated the crucial role of modulated crystallinity of the PDI-based third component in optimizing PCEs of t-OSCs.
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Affiliation(s)
- Yuxiang Li
- School of Materials Science and Engineering, Xi'an University of Science and Technology, Xi'an, 710054, P. R. China
| | - Jiaqi Ren
- School of Materials Science and Engineering, Xi'an University of Science and Technology, Xi'an, 710054, P. R. China
| | - Shujuan Liu
- Xi'an Key Laboratory of Liquid Crystal and Organic Photovoltaic Materials State Key Laboratory of Fluorine & Nitrogen Chemicals, Xi'an Modern Chemistry Research Institute, Xi'an, 710065, P. R. China
| | - Baofeng Zhao
- Xi'an Key Laboratory of Liquid Crystal and Organic Photovoltaic Materials State Key Laboratory of Fluorine & Nitrogen Chemicals, Xi'an Modern Chemistry Research Institute, Xi'an, 710065, P. R. China
| | - Zezhou Liang
- Key Laboratory for Physical Electronics and Devices of the Ministry of Education & Shaanxi, Key Lab of Photonic Technique for Information School of Electronics Science & Engineering Faculty of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Min Hun Jee
- Department of Chemistry, Korea University, Seoul, 02841, Republic of Korea
| | - Hongmei Qin
- School of Materials Science and Engineering, Xi'an University of Science and Technology, Xi'an, 710054, P. R. China
| | - Wenyan Su
- School of Materials Science and Engineering, Xi'an University of Science and Technology, Xi'an, 710054, P. R. China
| | - Han Young Woo
- Department of Chemistry, Korea University, Seoul, 02841, Republic of Korea
| | - Chao Gao
- Xi'an Key Laboratory of Liquid Crystal and Organic Photovoltaic Materials State Key Laboratory of Fluorine & Nitrogen Chemicals, Xi'an Modern Chemistry Research Institute, Xi'an, 710065, P. R. China
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Xue YJ, Lai ZY, Lu HC, Hong JC, Tsai CL, Huang CL, Huang KH, Lu CF, Lai YY, Hsu CS, Lin JM, Chang JW, Chien SY, Lee GH, Jeng US, Cheng YJ. Unraveling the Structure-Property-Performance Relationships of Fused-Ring Nonfullerene Acceptors: Toward a C-Shaped ortho-Benzodipyrrole-Based Acceptor for Highly Efficient Organic Photovoltaics. J Am Chem Soc 2024; 146:833-848. [PMID: 38113458 DOI: 10.1021/jacs.3c11062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
The high-performance Y6-based nonfullerene acceptors (NFAs) feature a C-shaped A-DA'D-A-type molecular architecture with a central electron-deficient thiadiazole (Tz) A' unit. In this work, we designed and synthesized a new A-D-A-type NFA, termed CB16, having a C-shaped ortho-benzodipyrrole-based skeleton of Y6 but with the Tz unit eliminated. When processed with nonhalogenated xylene without using any additives, the binary PM6:CB16 devices display a remarkable power conversion efficiency (PCE) of 18.32% with a high open-circuit voltage (Voc) of 0.92 V, surpassing the performance of the corresponding Y6-based devices. In contrast, similarly synthesized SB16, featuring an S-shaped para-benzodipyrrole-based skeleton, yields a low PCE of 0.15% due to the strong side-chain aggregation of SB16. The C-shaped A-DNBND-A skeleton in CB16 and the Y6-series NFAs constitutes the essential structural foundation for achieving exceptional device performance. The central Tz moiety or other A' units can be employed to finely adjust intermolecular interactions. The single-crystal X-ray structure reveals that ortho-benzodipyrrole-embedded A-DNBND-A plays an important role in the formation of a 3D elliptical network packing for efficient charge transport. Solution structures of the PM6:NFAs detected by small- and wide-angle X-ray scattering (SWAXS) indicate that removing the Tz unit in the C-shaped skeleton could reduce the self-packing of CB16, thereby enhancing the complexing and networking with PM6 in the spin-coating solution and the subsequent device film. Elucidating the structure-property-performance relationships of A-DA'D-A-type NFAs in this work paves the way for the future development of structurally simplified A-D-A-type NFAs.
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Affiliation(s)
- Yung-Jing Xue
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan
| | - Ze-Yu Lai
- National Synchrotron Radiation Research Center, 101 Hsin-Ann Road, Hsinchu Science Park, Hsinchu 300092, Taiwan
| | - Han-Cheng Lu
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan
| | - Jun-Cheng Hong
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan
| | - Chia-Lin Tsai
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan
| | - Ching-Li Huang
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan
| | - Kuo-Hsiu Huang
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan
| | - Chia-Fang Lu
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan
| | - Yu-Ying Lai
- Institute of Polymer Science and Engineering,National Taiwan University, No.1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan
| | - Chain-Shu Hsu
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan
- Center for Emergent Functional Matter Science, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan
| | - Jhih-Min Lin
- National Synchrotron Radiation Research Center, 101 Hsin-Ann Road, Hsinchu Science Park, Hsinchu 300092, Taiwan
| | - Je-Wei Chang
- National Synchrotron Radiation Research Center, 101 Hsin-Ann Road, Hsinchu Science Park, Hsinchu 300092, Taiwan
| | - Su-Ying Chien
- Instrumentation Center, National Taiwan University, No.1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan
| | - Gene-Hsiang Lee
- Instrumentation Center, National Taiwan University, No.1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan
| | - U-Ser Jeng
- National Synchrotron Radiation Research Center, 101 Hsin-Ann Road, Hsinchu Science Park, Hsinchu 300092, Taiwan
- Department of Chemical Engineering, National Tsing Hua University, 101, Sec. 2, Kuang-Fu Road, Hsinchu 300044, Taiwan
- College of Semiconductor Research, National Tsing Hua University, Hsinchu 300044, Taiwan
| | - Yen-Ju Cheng
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan
- Center for Emergent Functional Matter Science, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan
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7
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Unfused-ring Acceptors with Dithienobenzotriazole Core for Efficient Organic Solar Cells. CHINESE JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1007/s10118-022-2825-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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8
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Li J, Zhang Z, Ran G, Xu X, Zhang C, Liu W, Zheng X, Li D, Xu X, Liu Y, Tang Z, Zhang W, Bo Z. High-Performance Nonfused Ring Electron Acceptors with V-Shaped Side Chains. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2203454. [PMID: 35934890 DOI: 10.1002/smll.202203454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 07/17/2022] [Indexed: 06/15/2023]
Abstract
Motivated by simplifying the synthesis of nonfullerene acceptor and establishing the relation between molecular structure and photovoltaic performance, two isomeric nonfused ring electron acceptors (o-TT-Cl and m-TT-Cl), whose properties can be adjusted by changing the side chains, are designed and synthesized with several high-yield steps. o-TT-Cl with V-shaped side chain induces a dominated J-aggregation and displays much better solubility and more ordered packing than m-TT-Cl with linear side chain. Thus, the o-TT-Cl-based blend film generates better phase morphology and charge transport than m-TT-Cl-based one. Finally, the power conversion efficiency of o-TT-Cl-based devices is 12.84%, which is much higher than that of m-TT-Cl-based ones (6.54%). This work highlights the importance of side chains engineering on improving photovoltaic performance of nonfused ring electron acceptors.
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Affiliation(s)
- Jingyi Li
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
| | - Zhenyu Zhang
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
| | - Guangliu Ran
- Department of Physics and Applied Optics Beijing Area Major Laboratory, Beijing Normal University, Beijing, 100875, P. R. China
| | - Xiaoyun Xu
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
| | - Cai'e Zhang
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
| | - Wenlong Liu
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
| | - Xinming Zheng
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
| | - Dawei Li
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
| | - Xinjun Xu
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
| | - Yahui Liu
- College of Textiles & Clothing, State Key Laboratory of Bio-fibers and Eco-textiles, Qingdao University, Qingdao, 266071, P. R. China
| | - Zheng Tang
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
| | - Wenkai Zhang
- Department of Physics and Applied Optics Beijing Area Major Laboratory, Beijing Normal University, Beijing, 100875, P. R. China
| | - Zhishan Bo
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
- College of Textiles & Clothing, State Key Laboratory of Bio-fibers and Eco-textiles, Qingdao University, Qingdao, 266071, P. R. China
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9
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Li Y, Yu J, Zhou Y, Li Z. Molecular Insights of Non‐fused Ring Acceptors for High‐Performance Non‐fullerene Organic Solar Cells. Chemistry 2022; 28:e202201675. [DOI: 10.1002/chem.202201675] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Yibin Li
- Key Laboratory for Material Chemistry of Energy Conversion and Storage Ministry of Education Hubei Key Laboratory of Material Chemistry and Service Failure School of Chemistry and Chemical Engineering Huazhong University of Science and Technology 1037 Luoyu Road Wuhan P. R. China
| | - Jiangsheng Yu
- MIIT Key Laboratory of Advanced Solid Laser School of Electronic and Optical Engineering Nanjing University of Science and Technology 200 Xiaolingwei Street, Xuanwu District Nanjing P. R. China
| | - Yinhua Zhou
- Wuhan National Laboratory for Optoelectronics Huazhong University of Science and Technology 1037 Luoyu Road Wuhan P. R. China
| | - Zhong'an Li
- Key Laboratory for Material Chemistry of Energy Conversion and Storage Ministry of Education Hubei Key Laboratory of Material Chemistry and Service Failure School of Chemistry and Chemical Engineering Huazhong University of Science and Technology 1037 Luoyu Road Wuhan P. R. China
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10
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Liu H, Tao YD, Wang LH, Ye DN, Huang XM, Chen N, Li CZ, Liu SY. C-H Direct Arylation: A Robust Tool to Tailor the π-Conjugation Lengths of Non-Fullerene Acceptors. CHEMSUSCHEM 2022; 15:e202200034. [PMID: 35344269 DOI: 10.1002/cssc.202200034] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 03/27/2022] [Indexed: 06/14/2023]
Abstract
Facile synthesis without involvement of toxic reagents is of great significance in the practical application of photovoltaic materials. In this work, four acceptor-donor-acceptor (A-D-A) type unfused-ring acceptors (UFRAs) with stepwise extension in π-conjugation, i. e., CPFB-IC-n (n=1-4), involving cyclopentadithiophene (CPDT) and 1,4-difluorobenzene (DFB) as cores, are facilely synthesized by an atom-, step-economic and labor-saving method through direct arylation of C-H bond (DACH). Among them, CPFB-IC-4 has the longest conjugation lengths among the molecular UFRA ever reported. The dependence of optoelectronic properties and photovoltaic performances of CPFB-IC-n (n=1-4) on conjugation length were systematically investigated. CPFB-IC-2 with near zero highest occupied molecular orbital (HOMO) offsets (ΔEHOMO =0.06 eV) achieves the highest power conversion efficiency (PCE), due to the significantly enhanced open voltage (VOC ) and short current (JSC ) caused by the balanced frontier molecular orbitals (FMOs) and complementary light absorption. Our work demonstrates that the optical properties and FMOs of UFRAs can be finely tuned by the stepwise elongation of conjugation lengths. Meanwhile, DACH coupling as a powerful tool here established will be a promising candidate for synthesizing high-performance oligomeric UFRAs.
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Affiliation(s)
- Hui Liu
- Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, College of Materials, Metallurgical and Chemistry, Jiangxi University of Science and Technology, Ganzhou, 341000, P. R. China
| | - Yang-Dan Tao
- Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
| | - Li-Hong Wang
- Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, College of Materials, Metallurgical and Chemistry, Jiangxi University of Science and Technology, Ganzhou, 341000, P. R. China
| | - Dong-Nai Ye
- Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, College of Materials, Metallurgical and Chemistry, Jiangxi University of Science and Technology, Ganzhou, 341000, P. R. China
| | - Xu-Min Huang
- Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, College of Materials, Metallurgical and Chemistry, Jiangxi University of Science and Technology, Ganzhou, 341000, P. R. China
| | - Na Chen
- Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, College of Materials, Metallurgical and Chemistry, Jiangxi University of Science and Technology, Ganzhou, 341000, P. R. China
| | - Chang-Zhi Li
- Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
| | - Shi-Yong Liu
- Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, College of Materials, Metallurgical and Chemistry, Jiangxi University of Science and Technology, Ganzhou, 341000, P. R. China
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11
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Gao X, Xu Y, Yu R, Song X, Tao X, Tao Y. Estimating donor:acceptor compatibility for polymer solar cells through nonfused-ring acceptors with benzoxadiazole core and different halogenated terminal groups. NEW J CHEM 2022. [DOI: 10.1039/d2nj04513c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Novel nonfused-ring electron acceptors based on a benzoxadiazole-derived core are developed to estimate different miscibility-driven morphologies and donor:acceptor compatibilities.
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Affiliation(s)
- Xuyu Gao
- Key Lab for Flexible Electronics and Institute of Advanced Materials, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
| | - Yuanyuan Xu
- Key Lab for Flexible Electronics and Institute of Advanced Materials, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
| | - Ruitao Yu
- Key Lab for Flexible Electronics and Institute of Advanced Materials, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
| | - Xiaochen Song
- Key Lab for Flexible Electronics and Institute of Advanced Materials, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
| | - Xianwang Tao
- Key Lab for Flexible Electronics and Institute of Advanced Materials, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
| | - Youtian Tao
- Key Lab for Flexible Electronics and Institute of Advanced Materials, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
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12
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Zhao Y, Liu Y, Liu X, Kang X, Yu L, Dai S, Sun M. Aminonaphthalimide-Based Molecular Cathode Interlayers for As-Cast Organic Solar Cells. CHEMSUSCHEM 2021; 14:4783-4792. [PMID: 34463047 DOI: 10.1002/cssc.202101383] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 08/27/2021] [Indexed: 06/13/2023]
Abstract
A series of imide-based small molecules, namely NA, NAA, and NEA with simple structures, were designed and synthesized by introducing different amine side-chains into the benzene unit of imide, which were used as cathode interfacial materials in organic solar cells (OSCs). The amine side-chain substitution positions were systematically investigated with these small-molecule imides. Compared with NA without amide chains-NAA, and NEA, with 3-dimethylaminopropylamine and ethylenediamine chains, respectively-show bathochromic shifts in absorption, decreased band gaps, and higher highest occupied molecular orbital (HOMO) energy levels. A power conversion efficiency (PCE) of 15.04 % was obtained with the NEA-based as-cast OSCs with a high open-circuit voltage and fill factor for PM6 : Y6 blend and the maximum PCE of 15.80 % was reached for as-cast PM6 : Y6 : IT-M ternary OSCs. NEA exhibits better conductivity, higher electron mobility, and stronger the capability of lower work function of cathode among three molecules, affording OSCs with better photovoltaic performance. Additionally, these three molecules show excellent thermal stability both in solution and in films at 150 °C. The results indicate that imide-based small molecules are promising cathode interfacial materials for commercial OSCs.
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Affiliation(s)
- Yong Zhao
- School of Materials Science and Engineering, Ocean University of China, Qingdao, 266100, P. R. China
| | - Yang Liu
- School of Materials Science and Engineering, Ocean University of China, Qingdao, 266100, P. R. China
| | - Xiaojie Liu
- School of Materials Science and Engineering, Ocean University of China, Qingdao, 266100, P. R. China
| | - Xiao Kang
- School of Materials Science and Engineering, Ocean University of China, Qingdao, 266100, P. R. China
| | - Liangmin Yu
- Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266100, P. R. China
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao, 266100, P. R. China
| | - Shuixing Dai
- School of Materials Science and Engineering, Ocean University of China, Qingdao, 266100, P. R. China
| | - Mingliang Sun
- School of Materials Science and Engineering, Ocean University of China, Qingdao, 266100, P. R. China
- Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266100, P. R. China
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13
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Yaqoob U, Raza Ayub A, Rafiq S, Khalid M, El-Badry YA, El-Bahy ZM, Iqbal J. Structural, optical and photovoltaic properties of unfused Non-Fullerene acceptors for efficient solution processable organic solar cell (Estimated PCE greater than 12.4%): A DFT approach. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117428] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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