Small molecule donor/polymer acceptor (SD/PA)-type organic solar cells (OSCs) have attracted widespread attention in recent years due to the continuing power conversion efficiency (PCE) growth, near 10%, and the excellent thermal stability for the practical applications.
Wadsworth, A. et al. Critical review of the molecular design progress in non-fullerene electron acceptors towards commercially viable organic solar cells. Chem. Soc. Rev. 48, 1596–1625 (2019). Zhu, L. et al. Single-junction organic solar cells with over 19% efficiency enabled by a refined double-fibril network morphology. Nat.
Liang, H. et al. A rare case of brominated small molecule acceptors for high-efficiency organic solar cells. Nat. Commun. 14, 4707 (2023). This work is supported by the National Natural Science Foundation of China (52273196, 52073221 and 52203238) and the Key Research and Development Program of Hubei Province (2023BAB116).
A new polymer donor enables binary all-polymer organic photovoltaic cells with 18% efficiency and excellent mechanical robustness. Adv. Mater. 34, 2205009 (2022). Guo, J. et al. Manipulating polymer backbone configuration via halogenated asymmetric end-groups enables over 18% efficiency all-polymer solar cells.
The underlying charge generation dynamics and structure-property relationships in organic solar cells are not fully understood. Here, the authors demonstrate that interfacial donor-acceptor percolation plays a key role in enabling both high charge generation efficiency and device stability.
Zhang, Z. et al. Polymerized small‐molecule acceptor as an interface modulator to increase the performance of all‐small‐molecule solar cells. Adv. Energy Mater. 12, 2270011 (2022). Lu, H. et al. Simultaneously enhancing exciton/charge transport in organic solar cells by an organoboron additive. Adv. Mater. 34, 2205926 (2022).
The rapid synthesis of structurally complicated electron donors & acceptors still remains a major challenge in organic solar cells (OSC). In this work, we developed a highly efficient strategy to access long-chain oligomeric donor …
The rapid synthesis of structurally complicated electron donors & acceptors still remains a major challenge in organic solar cells (OSC). In this work, we developed a highly efficient strategy to …
Suitably selecting donor and regulating donor/acceptor interface can accurately present the photoelectric conversion ability of a novel NFAs, which points out the way for …
Nanoscale phase separation plays a critical role in achieving high photovoltaic performance in bulk-heterojunction organic solar cells, which is limited by solubility, …
Donor materials contain polymer donors and small molecule donors. In polymer solar cells (PSCs), the donor materials are usually D-A type copolymers (D: electron donor units; A: electron acceptor units). [] The …
Thus, with increased synthetic efforts dedicated toward the design of efficient donor/acceptor polymer combinations, polymer/polymer-blend photovoltaic devices have the …
In organic solar cells, the charge-transfer (CT) electronic states that form at the interface between the electron-donor (D) and electron-acceptor (A) materials have a crucial …
Organic solar cells (OSCs) have become a promising green energy technology due to their lightweight, low cost, and flexibility 1.The structure of OSCs is mainly made of bulk …
The relative orientation of an electron donor and electron acceptor, which significantly affects charge photogeneration in an organic solar cell, is investigated here. The …
The photoactive layer of organic solar cells consists of p-type electron donors and n-type electron acceptors, which phase separate to form fine and continuous networks for …
Small molecule donor/polymer acceptor (SD/PA)-type organic solar cells (OSCs) have attracted widespread attention in recent years due to the continuing power conversion …
Polymerization of Y6-type acceptor molecules leads to bulk-heterojunction organic solar cells with both high power-conversion efficiency and device stability, but the …
The structural flexibility of organic semiconductors offers vast a search space, and many potential candidates (donor and acceptor) for organic solar cells (OSCs) are yet to …
The A–D–A′–D–A-type non-fused ring electron acceptors (NFREAs), consisting of electron-donating unit (D) as the bridge to link electron-accepting units (A and A′), have …
Context The development of high-efficiency photovoltaic devices is the need of time with increasing demand for energy. Herein, we designed seven small molecule donors …
The active materials of organic solar cells are recognized to show a singlet ground state, and their photo-excited states have been widely investigated in previous work. Herein, we disclose the inherent open-shell …
The structural flexibility of organic semiconductors offers vast a search space, and many potential candidates (donor and acceptor) for organic solar cells (OSCs) are yet to be discovered. Machine learning is extensively …
Small molecule donor/polymer acceptor (SD/PA)-type organic solar cells (OSCs) have attracted widespread attention in recent years due to the continuing power conversion …
1 Introduction. Non-fullerene organic solar cells (NF-OSCs) have witnessed a remarkable breakthrough in power conversion efficiency (PCE) that is on the verge of 20%, [] …
The organic solar cells are typically based on a binary combination of polymeric donor and molecular acceptor. Here Zhang et al. develop alternative combination based on …
The active materials of organic solar cells are recognized to show a singlet ground state, and their photo-excited states have been widely investigated in previous work. …
Suitably selecting donor and regulating donor/acceptor interface can accurately present the photoelectric conversion ability of a novel NFAs, which points out the way for further molecular design and selection for high …
Materials and fibrillization of donor and acceptor. The chemical structures and energy levels of PM6, L8-BO, and L8-ThCl (with the detailed synthesis routes shown in …
The A–D–A′–D–A-type non-fused ring electron acceptors (NFREAs), consisting of electron-donating unit (D) as the bridge to link electron-accepting units (A and A′), have …
1 Open-shell Donors and Closed-shell Acceptors in Organic Solar Cells Zhongxin Chen, 1 1Yuan Li,* 1 2Wenqiang Li, Weiya Zhu, Miao Zeng, Jingwen Wang, Xiaojin Zhang,1 Xiaobin Peng,1 …