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 …

Recent progress of Y6‐derived asymmetric fused ring electron acceptors

Y Zhang, Y Ji, Y Zhang, W Zhang, H Bai… - Advanced Functional …, 2022 - Wiley Online Library
Symmetric conjugated molecules can be broken through suitable synthetic strategies to
construct novel asymmetric molecules, which can largely broaden the material library. In the …

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 …

Vertically optimized phase separation with improved exciton diffusion enables efficient organic solar cells with thick active layers

Y Cai, Q Li, G Lu, HS Ryu, Y Li, H Jin, Z Chen… - Nature …, 2022 - nature.com
The development of organic solar cells (OSCs) with thick active layers is of crucial
importance for the roll-to-roll printing of large-area solar panels. Unfortunately, increasing …

High-efficiency ternary organic solar cells with a good figure-of-merit enabled by two low-cost donor polymers

R Ma, C Yan, J Yu, T Liu, H Liu, Y Li, J Chen… - ACS Energy …, 2022 - ACS Publications
Here, we combine two donor polymers with a relatively short synthesis method and fabricate
ternary organic solar cells (OSCs) with a high efficiency and a decent figure-of-merit. A …

A 19% efficient and stable organic photovoltaic device enabled by a guest nonfullerene acceptor with fibril-like morphology

H Chen, SY Jeong, J Tian, Y Zhang… - Energy & …, 2023 - pubs.rsc.org
A nonfullerene acceptor, isoIDITC, capable of exhibiting fibril-like morphology, is utilized as
a third component in organic photovoltaic devices (OPVs). A power conversion efficiency …

Models and mechanisms of ternary organic solar cells

M Günther, N Kazerouni, D Blätte, JD Perea… - Nature Reviews …, 2023 - nature.com
In ternary organic solar cells (TOSCs), three different components are mixed to form the
photoactive layer, opening up opportunities to boost the power conversion efficiency—for …

Benzotriazole‐based 3D four‐arm small molecules enable 19.1% efficiency for PM6: Y6‐based ternary organic solar cells

X Li, A Tang, H Wang, Z Wang, M Du… - Angewandte Chemie …, 2023 - Wiley Online Library
A third component featuring a planar backbone structure similar to the binary host molecule
has been the preferred ingredient for improving the photovoltaic performance of ternary …

Over 19.2% efficiency of organic solar cells enabled by precisely tuning the charge transfer state via donor alloy strategy

J Gao, N Yu, Z Chen, Y Wei, C Li, T Liu, X Gu… - Advanced …, 2022 - Wiley Online Library
The large energy loss (Eloss) is one of the main obstacles to further improve the photovoltaic
performance of organic solar cells (OSCs), which is closely related to the charge transfer …

Ternary blend organic solar cells: understanding the morphology from recent progress

X Xu, Y Li, Q Peng - Advanced Materials, 2022 - Wiley Online Library
Ternary blend organic solar cells (TB‐OSCs) incorporating multiple donor and/or acceptor
materials into the active layer have emerged as a promising strategy to simultaneously …