Proceedings of Asia-Pacific Conference on Perovskite, Organic Photovoltaics&Optoelectronics (IPEROP25)
Publication date: 17th October 2024
Ternary organic solar cells (TOSCs) are promising alternative strategy to achieve high performance. To date, organic solar cells have been developed, enhancing power conversion efficiency (PCE) over 19%, showing great competitiveness. Essentially, the development of the ternary strategy has brought promising prospects for enhancing the performance of binary organic solar cells through additional absorption, cascaded energy alignment, and morphology optimization. To optimize charge transport properties and the trade-off between voltage and photocurrent are the key issues in TOSCs. Up to now, research effort has mostly focused on acceptor–donor–acceptor (A–D–A) type non-fullerene acceptor-based TOSCs. Also, the introduction of p-type polymers as third component can not only changes the nanomorphology, but also greatly improve photophysics. These strategies have been employed as a feasible and effective approach to obtain high-efficiency OSCs. Herein, TOSCs are fabricated by adding a Y6 derivative or polymers based on the most promising conjugated polymer donor/acceptor material. The results provide crucial insights into high-efficiency ternary systems, offering beneficial guidelines for increasing the performance.
This work was supported by Human Resources Development Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Ministry of Trade, Industry and Energy, Republic of Korea (No. RS-2023-00237035), the Commercialization Promotion Agency for R&D Outcomes(COMPA) grant funded by the Korea government(MSIT) (No.RS-2023-00304788).
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