Renewed prospects for organic photovoltaics

G Zhang, FR Lin, F Qi, T Heumüller, A Distler… - Chemical …, 2022 - ACS Publications
Organic photovoltaics (OPVs) have progressed steadily through three stages of photoactive
materials development:(i) use of poly (3-hexylthiophene) and fullerene-based acceptors …

A history and perspective of non‐fullerene electron acceptors for organic solar cells

A Armin, W Li, OJ Sandberg, Z Xiao… - Advanced Energy …, 2021 - Wiley Online Library
Organic solar cells are composed of electron donating and accepting organic
semiconductors. Whilst a significant palette of donors has been developed over three …

Fibrillization of non‐fullerene acceptors enables 19% efficiency pseudo‐bulk heterojunction organic solar cells

D Li, N Deng, Y Fu, C Guo, B Zhou, L Wang… - Advanced …, 2023 - Wiley Online Library
The structural order and aggregation of non‐fullerene acceptors (NFA) are critical toward
light absorption, phase separation, and charge transport properties of their photovoltaic …

Enhancing photon utilization efficiency for high‐performance organic photovoltaic cells via regulating phase‐transition kinetics

P Bi, J Wang, Y Cui, J Zhang, T Zhang… - Advanced …, 2023 - Wiley Online Library
Efficient photon utilization is key to achieving high‐performance organic photovoltaic (OPV)
cells. In this study, a multiscale fibril network morphology in a PBQx‐TCl: PBDB‐TF: eC9 …

A unified description of non-radiative voltage losses in organic solar cells

XK Chen, D Qian, Y Wang, T Kirchartz, W Tress, H Yao… - Nature Energy, 2021 - nature.com
Recent advances in organic solar cells based on non-fullerene acceptors (NFAs) come with
reduced non-radiative voltage losses (Δ V nr). Here we show that, in contrast to the energy …

Single‐junction organic photovoltaic cells with approaching 18% efficiency

Y Cui, H Yao, J Zhang, K Xian, T Zhang… - Advanced …, 2020 - Wiley Online Library
Optimizing the molecular structures of organic photovoltaic (OPV) materials is one of the
most effective methods to boost power conversion efficiencies (PCEs). For an excellent …

High fill factor organic solar cells with increased dielectric constant and molecular packing density

X Zhang, C Li, J Xu, R Wang, J Song, H Zhang, Y Li… - Joule, 2022 - cell.com
The fill factor (FF) of organic solar cells (OSCs), a critically important photovoltaic parameter,
is still sub-optimal, often less than 0.8. To further reduce the FF gaps with regard to the …

The role of charge recombination to triplet excitons in organic solar cells

AJ Gillett, A Privitera, R Dilmurat, A Karki, D Qian… - Nature, 2021 - nature.com
The use of non-fullerene acceptors (NFAs) in organic solar cells has led to power
conversion efficiencies as high as 18%. However, organic solar cells are still less efficient …

Efficient organic solar cell with 16.88% efficiency enabled by refined acceptor crystallization and morphology with improved charge transfer and transport properties

L Zhu, M Zhang, G Zhou, T Hao, J Xu… - Advanced Energy …, 2020 - Wiley Online Library
Single‐layered organic solar cells (OSCs) using nonfullerene acceptors have reached 16%
efficiency. Such a breakthrough has inspired new sparks for the development of the next …

The path to 20% power conversion efficiencies in nonfullerene acceptor organic solar cells

A Karki, AJ Gillett, RH Friend… - Advanced Energy …, 2021 - Wiley Online Library
The power conversion efficiencies (PCEs) of single‐junction organic solar cells (OSC) have
now reached over 18%. This rapid recent progress can be attributed to the development of …