Issue 2, 2023

Crystal structures in state-of-the-art non-fullerene electron acceptors

Abstract

Great progress in the power conversion efficiencies (PCEs) of organic photovoltaics (OPVs) has been made by employing non-fullerene acceptors (NFAs). In order to further promote the device performance, it is necessary to systematically understand the design strategies, packing information and intermolecular interactions at the atomic level of NFAs. In this review, we highlight the recent advances in the study of single crystal structures of NFAs in OPVs, as well as the relationship between molecular design strategies, packing arrangement, and their corresponding properties. Finally, the challenges and future development of new electron acceptors with ideal single crystal structures and packing modes for next-generation organic photovoltaics are discussed.

Graphical abstract: Crystal structures in state-of-the-art non-fullerene electron acceptors

Article information

Article type
Highlight
Submitted
26 10 2022
Accepted
30 11 2022
First published
06 12 2022

J. Mater. Chem. A, 2023,11, 481-494

Crystal structures in state-of-the-art non-fullerene electron acceptors

L. Ma, S. Zhang and J. Hou, J. Mater. Chem. A, 2023, 11, 481 DOI: 10.1039/D2TA08367A

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