Research on perylene diimide organic solar cells

Jie Gao; Jingjing Cheng; Yan Wang; Juan Li

doi:10.1117/12.2674139

9 March 2023 Research on perylene diimide organic solar cells

Jie Gao, Jingjing Cheng, Yan Wang, Juan Li

Proceedings Volume 12600, International Conference on Optoelectronic Materials and Devices (ICOMD 2022); 126000J (2023) https://doi.org/10.1117/12.2674139
Event: 2022 International Conference on Optoelectronic Materials and Devices, 2022, Chongqing, China

Abstract

The power conversion efficiency (PCE) of non-fullerene (NF) organic solar cells (OSCs) has reached 10%, which plays a necessary role in the field of new OSCs. The significant factor to determine the high photovoltaic performance of NF OSCs is the blend film structure, that is matched by a specific proportion of compound donor and acceptor. The electronic receptor structure in the blend membrane is mainly functionalized to optimize the membrane morphology and improve the interface quality, and then applied to the new binary/ternary OSCs device. Here we emphatically introduced the NF small molecule material-perylene diimide (PDI), the kind of acceptors with multiply modified structures, connecting with their matching with typical donors can improve charge mobility. We expound the recent representative studies on the progressive modification of PDI-based materials through matching with same or different donors, further discuss the challenges on how to reduce the large efficiency loss when going from small-area to large-area fabrication. In general, achieving the excellent miscibility of donor-acceptor is the most critical factor to improve high efficiency OSCs, which has important guiding significance for manufacturing organic photovoltaic materials.

Citation Download Citation

Jie Gao, Jingjing Cheng, Yan Wang, and Juan Li "Research on perylene diimide organic solar cells", Proc. SPIE 12600, International Conference on Optoelectronic Materials and Devices (ICOMD 2022), 126000J (9 March 2023); https://doi.org/10.1117/12.2674139

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KEYWORDS

Solar cells

Organic photovoltaics

Molecules

Photovoltaics

Fullerenes

Absorption

Design and modelling

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