Issue 8, 2024

Employing a similar acceptor material as the third component to enhance the performance of organic solar cells

Abstract

We synthesized two derivatives of Y6, namely Y-TNF and Y-TN. Compared to Y6, these two derivatives possess fluorinated and non-fluorinated extended terminal groups, respectively. Y-TNF exhibits a red-shifted absorption compared to Y-TN, a narrower bandgap, and a better matched energy level to the donor material PM6. Hence, Y-TNF demonstrates better photovoltaic performance. The incorporation of Y-TN further enhances the photovoltaic performance of binary PM6:Y-TNF devices due to its good compatibility and intermolecular interactions with Y-TNF, resulting in improved charge transport and reduced non-radiative energy loss. The ternary organic solar cells (OSCs) offer a higher device efficiency of 16.63% with a high open-circuit voltage of 0.857 V, a high short-circuit current density of 25.84 mA cm−2, and a high fill factor of 75.10%. The results show that incorporating a similar acceptor material as the third component is an effective strategy to enhance the performance of OSCs.

Graphical abstract: Employing a similar acceptor material as the third component to enhance the performance of organic solar cells

Supplementary files

Article information

Article type
Paper
Submitted
11 May 2024
Accepted
19 Jun 2024
First published
19 Jun 2024
This article is Open Access
Creative Commons BY-NC license

Energy Adv., 2024,3, 1948-1955

Employing a similar acceptor material as the third component to enhance the performance of organic solar cells

K. Wang, H. Bai, C. Zhang, C. Sun, S. Sang, Y. Li, Z. Chen, J. Hu, X. Li, L. Meng and Y. Li, Energy Adv., 2024, 3, 1948 DOI: 10.1039/D4YA00304G

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