Designing π-conjugated polymers for organic electronics |
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| Affiliation: | 1. Rutgers Cancer Institute of New Jersey, 195 Little Albany Street, New Brunswick, NJ 08903, USA;2. Department of Molecular Biology and Biochemistry, Rutgers University, Piscataway, NJ 08854, USA;3. Department of Radiation Oncology, Robert Wood Johnson Medical School, Rutgers University, New Brunswick, NJ 08904, USA;1. Department of Materials, Eidgenössische Technische Hochssuchule (ETH), Zürich, Switzerland;2. Department of Materials Science and Engineering, Stanford University, USA;3. Department of Physics, Imperial College London, UK;4. Centre for Plastic Electronics, Imperial College London, UK;5. Department of Chemical and Biological Engineering, Chalmers University of Technology, Sweden;6. Department of Materials, Imperial College London, UK;7. Department of Materials Science and Engineering, University of Washington, USA;8. Department of Chemistry, Imperial College London, UK;9. Molecular Engineering and Sciences Institute, University of Washington, USA;10. Chemical and Materials Science Center, National Renewable Energy Laboratory, Golden, USA;11. Department of Chemistry and Biochemistry, University of Colorado at Boulder, USA;12. Département de physique, Université de Montréal, Canada;1. RIKEN Center for Emergent Matter Science, Wako, Saitama 351-0198, Japan;2. Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency, Chiyoda-ku, Tokyo 102-0075, Japan;1. Center of Research Excellence in Renewable Energy, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia;2. Gas Processing Center, College of Engineering, Qatar University, PO Box 2713, Doha, Qatar |
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| Abstract: | Conjugated polymers have attracted an increasing amount of attention in recent years for various organic electronic devices because of their potential advantages over inorganic and small-molecule organic semiconductors. Chemists can design and synthesize a variety of conjugated polymers with different architectures and functional moieties to meet the requirements of these organic devices. This review concentrates on five conjugated polymer systems with 1D and 2D topological structures, and on one polymer designing approach. This includes (i) conjugated polyphenylenes (polyfluorenes, polycarbazoles, and various stepladder polymers), (ii) other polycyclic aromatic hydrocarbons (PAHs) as substructures of conjugated polymers, (iii) thiophene and fused thiophene containing conjugated polymers, (iv) conjugated macrocycles, (v) graphene nanoribbons, and finally (vi) a design approach, the alternating donor–acceptor (D–A) copolymers. By summarizing the performances of the different classes of conjugated polymers in devices such as organic light-emitting diodes (OLEDs), organic field-effect transistors (OFETs), and polymer solar cells (PSCs), the correlation of polymer structure and device property, as well as the remaining challenges, will be highlighted for each class separately. Finally, we summarize the current progress for conjugated polymers and propose future research opportunities to improve their performance in this exciting research field. |
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| Keywords: | Conjugated polymers Organic electronics Organic light-emitting diodes (OLEDs) Organic field-effect transistors (OFETs) Organic photovoltaics (OPV) Polymer solar cells (PSCs) |
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