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Meng J, Luo N, Zhang G, Shao X, Liu Z, Zhang D. N-Aryl diketopyrrolopyrrole derivatives towards organic optical and electronic materials. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.07.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Yu ZP, Li X, He C, Wang D, Qin R, Zhou G, Liu ZX, Andersen TR, Zhu H, Chen H, Li CZ. High-efficiency organic solar cells with low voltage-loss of 0.46 V. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2019.12.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Multifunctional semitransparent organic solar cells with excellent infrared photon rejection. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2019.08.046] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Dang D, Yu D, Wang E. Conjugated Donor-Acceptor Terpolymers Toward High-Efficiency Polymer Solar Cells. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1807019. [PMID: 30701605 DOI: 10.1002/adma.201807019] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 12/06/2018] [Indexed: 06/09/2023]
Abstract
The development of conjugated alternating donor-acceptor (D-A) copolymers with various electron-rich and electron-deficient units in polymer backbones has boosted the power conversion efficiency (PCE) over 17% for polymer solar cells (PSCs) over the past two decades. However, further enhancements in PCEs for PSCs are still imperative to compensate their imperfect stability for fulfilling practical applications. Meanwhile development of these alternating D-A copolymers is highly demanding in creative design and syntheses of novel D and/or A monomers. In this regard, when being possible to adopt an existing monomer unit as a third component from its libraries, either a D' unit or an A' moiety, to the parent D-A type polymer backbones to afford conjugated D-A terpolymers, it will give a facile and cost-effective method to improve their light absorption and tune energy levels and also interchain packing synergistically. Moreover, the rationally controlled stoichiometry for these components in such terpolymers also provides access for further fine-tuning these factors, thus resulting in high-performance PSCs. Herein, based on their unique features, the recent progress of conjugated D-A terpolymers for efficient PSCs is reviewed and it is discussed how these factors influence their photovoltaic performance, for providing useful guidelines to design new terpolymers toward high-efficiency PSCs.
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Affiliation(s)
- Dongfeng Dang
- School of Science, MOE Key Laboratory for Non-equilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Donghong Yu
- Department of Chemistry and Bioscience, Aalborg University, Aalborg, DK-9220, Denmark
- Sino-Danish Center for Education and Research (SDC), Aarhus, DK-8000, Denmark
| | - Ergang Wang
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Göteborg, SE-412 96, Sweden
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Rehman T, Liu ZX, Lau TK, Yu Z, Shi M, Lu X, Li CZ, Chen H. Influence of Bridging Groups on the Photovoltaic Properties of Wide-Bandgap Poly(BDTT- alt-BDD)s. ACS APPLIED MATERIALS & INTERFACES 2019; 11:1394-1401. [PMID: 30516954 DOI: 10.1021/acsami.8b16628] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
To further advance polymer solar cells requires the fast evolution of π-conjugated materials as well as a better understanding of their structure-property relationships. Herein, we present three copolymers (PT1, PT2, PT3) made through tuning π-bridges (without any group, thiophene, and 3-hexylthieno[3,2- b]thiophene) between electron-rich (D: BDTT) and -deficient (A: BDD) units. The comparative studies reveal the unique correlation that the tune of π-bridge on the polymeric backbone governs the solid stacking and photovoltaic properties of resultant poly(BDTT- alt-BDD)s, which provide an effective way to deliver new and efficient polymer with feasible processability. That is, polymers with either twist zigzag backbone (PT1) or with linear coplanar backbone (PT2) result in inferior photovoltaic performance upon simple solution casting. Among them, PT3 with extended zigzag backbone and planar segments exhibits suitable processability and retains good efficiency in nonfullerene solar cells through a single-solvent cast without involving tedious treatments. This work illustrates that the tuning of the D-π-A polymer backbone facilitates efficient materials with feasible processability, promising for scale-up fabrication.
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Affiliation(s)
- Tahir Rehman
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, State Key Laboratory of Silicon Materials, Department of Polymer Science and Engineering , Zhejiang University , Hangzhou 310027 , China
| | - Zhi-Xi Liu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, State Key Laboratory of Silicon Materials, Department of Polymer Science and Engineering , Zhejiang University , Hangzhou 310027 , China
| | - Tsz-Ki Lau
- Department of Physics , The Chinese University of Hong Kong , New Territories , Hong Kong , China
| | - Zhipeng Yu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, State Key Laboratory of Silicon Materials, Department of Polymer Science and Engineering , Zhejiang University , Hangzhou 310027 , China
| | - Minmin Shi
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, State Key Laboratory of Silicon Materials, Department of Polymer Science and Engineering , Zhejiang University , Hangzhou 310027 , China
| | - Xinhui Lu
- Department of Physics , The Chinese University of Hong Kong , New Territories , Hong Kong , China
| | - Chang-Zhi Li
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, State Key Laboratory of Silicon Materials, Department of Polymer Science and Engineering , Zhejiang University , Hangzhou 310027 , China
| | - Hongzheng Chen
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, State Key Laboratory of Silicon Materials, Department of Polymer Science and Engineering , Zhejiang University , Hangzhou 310027 , China
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