Organic Photovoltaics with Multiple Donor–Acceptor Pairs

Jungho Lee, Sang Myeon Lee, Shanshan Chen, Tanya Kumari, So-Huei Kang, Yongjoon Cho, Changduk Yang*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review


Compared with conventional organic solar cells (OSCs) based on single donor–acceptor pairs, terpolymer‐ and ternary‐based OSCs featuring multiple donor–acceptor pairs are promising strategies for enhancing the performance while maintaining an easy and simple synthetic process. Using multiple donor–acceptor pairs in the active layer, the key photovoltaic parameters (i.e., short‐circuit current density, open‐circuit voltage, and fill factor) governing the OSC characteristics can be simultaneously or individually improved by positive changes in light‐harvesting ability, molecular energy levels, and blend morphology. Here, these three major contributions are discussed with the aim of offering in‐depth insights in combined terpolymers and ternary systems. Recent exemplary cases of OSCs with multiple donor–acceptor pairs are summarized and more advanced research and perspectives for further developments in this field are highlighted.
Original languageEnglish
Article number1804762
JournalAdvanced Materials
Issue number20
Publication statusPublished - 17. May 2019
Externally publishedYes


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