Ternary organic solar cells based on non-fullerene acceptors: A review |
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| Affiliation: | 1. CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China;2. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China;3. Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou 450003, China;1. Institute of Physics and Electronic Information, Yunnan Normal University, Kunming, 650500, China;2. Yunnan Key Laboratory of Optoelectronic Information Technology, Kunming, 650500, China;3. Key Laboratory of Advanced Technique & Preparation for Renewable Energy Materials, Ministry of Education, Yunnan Normal University, Kunming, 650500, China;1. Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University, 100044 Beijing, People''s Republic of China;2. Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Hubei Key Lab on Organic and Polymeric Optoelectronic Materials, Department of Chemistry, Wuhan University, 40072 Wuhan, People''s Republic of China;3. Department of Material Science and Technology, Guangxi Key Laboratory of Information Materials, Guilin University of Electronic Technology, 1 Jinji Road, 541004 Guilin, Guangxi, People''s Republic of China;1. Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University, Beijing 100044, PR China;2. Organic Optoelectronic Materials Laboratory, Department of Chemistry, College of Science, Korea University, Seoul 02841, Republic of Korea;3. Guangxi Key Laboratory of Information Materials, School of Material Science and Technology, Guilin University of Electronic Technology, Guilin 541004, PR China;4. College of Physics and Electronic Engineering, Chongqing Normal University, Chongqing 401331, PR China;5. Key Laboratory for Special Functional Materials of Ministry of Education, School of Materials Science and Engineering, Henan University, Kaifeng 475004, PR China;1. School of Photovoltaic and Renewable Energy Engineering, University of New South Wales, Sydney, NSW 2052, Australia;2. Department of Mechanical Engineering, Faculty of Engineering and Science, Curtin University, Miri 98009, Malaysia;1. Guangdong Provincial Key Laboratory of Optical Information Materials and Technology & Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China;2. Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195-2120, USA;3. Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China;4. Department of Chemistry, City University of Hong Kong, Kowloon 999077, Hong Kong |
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| Abstract: | Organic solar cells (OSCs) have reached their second golden age in recent two years with a boosted number of publications. Non-fullerene acceptor (NFA) materials have become a rising star in the field which are widely applied in organic solar cells because of their excellent optoelectronic properties, such as strong light-harvesting ability and tunable energy level. Unlike the low synthetic flexibility and high production cost of fullerene materials, NFAs exhibit flexible structures, and relatively low fabrication costs. Recently, the ternary strategy has become another hot research topic in the field, which introduces a third component into the binary host system for OSCs. The application of a ternary strategy can break the limits of light absorption brought by the host system, improve the morphology and energy level alignment for the active layer and thus improved the efficiency of organic solar cell devices. Benefiting from the advancement in both NFA and ternary strategy, the power conversion efficiency (PCE) of organic solar cell has exceeded over 17.5% to date. A comprehensive review of the recent progress in NFA based ternary OSCs (TOSCs) is needed in the field. Herein, this review mainly focuses on recent research on ternary organic solar cells using NFA materials during the last two years. Firstly, device physics and frequently used active materials in NFA based TOSCs are summarized and discussed. Then, the recent reported high-performance NFA based TOSCs are reviewed. Finally, the outlook and future research direction in the field are proposed. This review aims to provide an insight into NFA based TOSCs and help researchers to explore the full potential of OSCs. |
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| Keywords: | Non-fullerene acceptor Ternary Organic solar cells Bulk heterojunction Power conversion efficiency |
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