Non‐radiative recombination energy losses in non‐fullerene organic solar cells

D He, F Zhao, C Wang, Y Lin - Advanced Functional Materials, 2022 - Wiley Online Library
Impressive short‐circuit current density and fill factor have been achieved simultaneously in
single‐junction organic solar cells (OSCs) with the emergence of high‐performance non …

Recent progress in hole‐transporting layers of conventional organic solar cells with p–i–n structure

X Zhang, H Zhang, Y Li, S Zafar, S Yang… - Advanced Functional …, 2022 - Wiley Online Library
Recently, organic solar cells (OSCs) have received rapid boosts in the power conversion
efficiency (PCE), due to progresses in materials and device engineering. Several groups …

High efficiency (15.8%) all-polymer solar cells enabled by a regioregular narrow bandgap polymer acceptor

H Fu, Y Li, J Yu, Z Wu, Q Fan, F Lin… - Journal of the …, 2021 - ACS Publications
Despite the significant progresses made in all-polymer solar cells (all-PSCs) recently, the
relatively low short-circuit current density (J sc) and large energy loss are still quite difficult to …

Selenium heterocyclic electron acceptor with small urbach energy for as-cast high-performance organic solar cells

Z Zhang, Y Li, G Cai, Y Zhang, X Lu… - Journal of the American …, 2020 - ACS Publications
Typical organic photovoltaic materials show high Urbach energies (ca. 25–50 meV), which
is considerably higher than those of their inorganic counterparts and limits further …

High-efficiency organic solar cells with low voltage loss induced by solvent additive strategy

J Song, L Zhu, C Li, J Xu, H Wu, X Zhang, Y Zhang… - Matter, 2021 - cell.com
High voltage loss (V loss) limits further improvements of organic solar cells (OSCs), and thus
developing effective approaches to reduce V loss is important. Herein, a solvent additive …

A narrow‐bandgap n‐type polymer with an acceptor–acceptor backbone enabling efficient all‐polymer solar cells

H Sun, H Yu, Y Shi, J Yu, Z Peng, X Zhang… - Advanced …, 2020 - Wiley Online Library
Narrow‐bandgap polymer semiconductors are essential for advancing the development of
organic solar cells. Here, a new narrow‐bandgap polymer acceptor L14, featuring an …

Solution‐processed organic solar cells with high open‐circuit voltage of 1.3 V and low non‐radiative voltage loss of 0.16 V

N An, Y Cai, H Wu, A Tang, K Zhang, X Hao… - Advanced …, 2020 - Wiley Online Library
Compared with inorganic or perovskite solar cells, the relatively large non‐radiative
recombination voltage losses (ΔVnon‐rad) in organic solar cells (OSCs) limit the …

Hybridization of local exciton and charge-transfer states reduces nonradiative voltage losses in organic solar cells

FD Eisner, M Azzouzi, Z Fei, X Hou… - Journal of the …, 2019 - ACS Publications
A number of recent studies have shown that the nonradiative voltage losses in organic solar
cells can be suppressed in systems with low energetic offsets between donor and acceptor …

Ternary organic solar cells with efficiency> 16.5% based on two compatible nonfullerene acceptors

J Song, C Li, L Zhu, J Guo, J Xu, X Zhang… - Advanced …, 2019 - Wiley Online Library
A ternary structure has been demonstrated as being an effective strategy to realize high
power conversion efficiency (PCE) in organic solar cells (OSCs); however, general materials …

High‐efficiency organic photovoltaics using eutectic acceptor fibrils to achieve current amplification

M Zhang, L Zhu, T Hao, G Zhou, C Qiu… - Advanced …, 2021 - Wiley Online Library
The intrinsic electronic properties of donor (D) and acceptor (A) materials in coupling with
morphological features dictate the output in organic solar cells (OSCs). New physical …