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      Recent advances, challenges and prospects in ternary organic solar cells

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          Abstract

          This work presents a complete summary of recent advances in ternary organic solar cells, highlighting the relationships among the molecular structure, component weight ratio, active layer morphology and photovoltaic performance.

          Abstract

          The past decade has seen a tremendous development of organic solar cells (OSCs). To date, high-performance OSCs have boosted power conversion efficiencies (PCEs) over 17%, showing bright prospects toward commercial applications. Compared with binary OSCs, ternary OSCs, by introducing a third component as a second donor or acceptor into the active layer, have great potential in realizing outstanding photovoltaic performance. Herein, a comprehensive review of the recent advances of ternary solar cells is presented. According to the chemical components of active layer materials, we classify the ternary systems into four categories, including polymer/small molecule/small molecule, polymer/polymer/small molecule, all-polymer and all-small-molecule types. The relationships among the photovoltaic materials structure and weight ratio, active layer morphology and photovoltaic performance are systematically analyzed and summarized. The features and design strategies of each category are also discussed and summarized. Key issues and challenges faced in ternary OSCs are pointed out, and potential strategies and solutions are proposed. This review may provide guidance for the field of ternary OSCs.

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          Most cited references151

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          Single-Junction Organic Solar Cell with over 15% Efficiency Using Fused-Ring Acceptor with Electron-Deficient Core

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            Two-layer organic photovoltaic cell

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              18% Efficiency organic solar cells

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                Author and article information

                Contributors
                Journal
                NANOHL
                Nanoscale
                Nanoscale
                Royal Society of Chemistry (RSC)
                2040-3364
                2040-3372
                February 4 2021
                2021
                : 13
                : 4
                : 2181-2208
                Affiliations
                [1 ]Institute of Hybrid Materials
                [2 ]National Center of International Joint Research for Hybrid Materials Technology
                [3 ]National Base of International Sci. & Tech. Cooperation on Hybrid Materials
                [4 ]College of Materials Science and Engineering
                [5 ]Qingdao University
                [6 ]Key Laboratory of Optoelectronic Chemical Materials and Devices (Ministry of Education)
                [7 ]School of Chemical and Environmental Engineering
                [8 ]Jianghan University
                [9 ]Wuhan 430056
                [10 ]China
                Article
                10.1039/D0NR07788G
                33480942
                32bcbc0e-4027-461f-8641-c6acd614b5fe
                © 2021

                http://rsc.li/journals-terms-of-use

                History

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