Recent progress in organic solar cells (Part I material science)

Y Liu, B Li, CQ Ma, F Huang, G Feng, H Chen… - Science China …, 2022 - Springer
During past several years, the photovoltaic performances of organic solar cells (OSCs) have
achieved rapid progress with power conversion efficiencies (PCEs) over 18 …

Understanding and Suppressing Non‐Radiative Recombination Losses in Non‐Fullerene Organic Solar Cells

Q Liu, K Vandewal - Advanced Materials, 2023 - Wiley Online Library
Organic solar cells benefit from non‐fullerene acceptors (NFA) due to their high absorption
coefficients, tunable frontier energy levels, and optical gaps, as well as their relatively high …

Suppressed recombination loss in organic photovoltaics adopting a planar–mixed heterojunction architecture

K Jiang, J Zhang, C Zhong, FR Lin, F Qi, Q Li, Z Peng… - Nature Energy, 2022 - nature.com
At present, high-performance organic photovoltaics mostly adopt a bulk-heterojunction
architecture, in which exciton dissociation is facilitated by charge-transfer states formed at …

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 …

Over 18% Efficiency of All‐Polymer Solar Cells with Long‐Term Stability Enabled by Y6 as a Solid Additive

Z Ge, J Qiao, Y Li, J Song, C Zhang, Z Fu… - Advanced …, 2023 - Wiley Online Library
Morphology control greatly influences the power conversion efficiency (PCE) and long‐term
stability of all‐polymer solar cells (all‐PSCs); however, it remains challenging owing to their …

Fluorinated Perylene‐Diimides: Cathode Interlayers Facilitating Carrier Collection for High‐Performance Organic Solar Cells

J Yao, S Ding, R Zhang, Y Bai, Q Zhou… - Advanced …, 2022 - Wiley Online Library
Organic solar cells (OSCs) have experienced rapid progress with the innovation of near‐
infrared (NIR)‐absorbing small‐molecular acceptors (SMAs), while the unique electronic …

A synergistic strategy of manipulating the number of selenophene units and dissymmetric central core of small molecular acceptors enables polymer solar cells with …

C Yang, Q An, HR Bai, HF Zhi, HS Ryu… - Angewandte …, 2021 - Wiley Online Library
A dissymmetric backbone and selenophene substitution on the central core was used for the
synthesis of symmetric or dissymmetric A‐DA′ D‐A type non‐fullerene small molecular …

Low-cost synthesis of small molecule acceptors makes polymer solar cells commercially viable

H Fu, J Yao, M Zhang, L Xue, Q Zhou, S Li… - Nature …, 2022 - nature.com
The acceptor-donor-acceptor (A–D–A) or A–DA'D–A structured small molecule acceptors
(SMAs) have triggered substantial progress for polymer solar cells (PSCs). However, the …

Highly efficient organic solar cells enabled by suppressing triplet exciton formation and non-radiative recombination

C Li, G Yao, X Gu, J Lv, Y Hou, Q Lin, N Yu… - Nature …, 2024 - nature.com
The high non-radiative energy loss is a bottleneck issue that impedes the improvement of
organic solar cells. The formation of triplet exciton is thought to be the main source of the …

A Medium‐Bandgap Nonfullerene Acceptor Enabling Organic Photovoltaic Cells with 30% Efficiency under Indoor Artificial Light

T Zhang, C An, Y Xu, P Bi, Z Chen, J Wang… - Advanced …, 2022 - Wiley Online Library
The correlation between molecular structure and photovoltaic performance is lagging for
constructing high‐performance indoor organic photovoltaic (OPV) cells. Herein, this …