From solution to thin film: molecular assembly of π-conjugated systems and impact on (opto) electronic properties

A Khasbaatar, Z Xu, JH Lee… - Chemical …, 2023 - ACS Publications
The assembly of conjugated organic molecules from solution to solid-state plays a critical
role in determining the thin film morphology and optoelectronic properties of solution …

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 …

Achieving 20.8% organic solar cells via additive-assisted layer-by-layer fabrication with bulk pin structure and improved optical management

L Zhu, M Zhang, G Zhou, Z Wang, W Zhong, J Zhuang… - Joule, 2024 - cell.com
Additive-assisted layer-by-layer (LBL) deposition affords interpenetrating fibril network active
layer morphology with a bulk pin feature and proper vertical segregation in organic solar …

Single-junction organic solar cells with over 19% efficiency enabled by a refined double-fibril network morphology

L Zhu, M Zhang, J Xu, C Li, J Yan, G Zhou, W Zhong… - Nature Materials, 2022 - nature.com
In organic photovoltaics, morphological control of donor and acceptor domains on the
nanoscale is the key for enabling efficient exciton diffusion and dissociation, carrier transport …

19.10% efficiency and 80.5% fill factor layer‐by‐layer organic solar cells realized by 4‐bis (2‐thienyl) pyrrole‐2, 5‐dione based polymer additives for inducing vertical …

M Zhou, C Liao, Y Duan, X Xu, L Yu, R Li… - Advanced …, 2023 - Wiley Online Library
The morphology plays a key role in determining the charge generation and collection
process, thus impacting the performances of organic solar cells (OSCs). The limited …

Electrostatic force promoted intermolecular stacking of polymer donors toward 19.4% efficiency binary organic solar cells

Z Gan, L Wang, J Cai, C Guo, C Chen, D Li… - Nature …, 2023 - nature.com
Conjugated polymers are generally featured with low structural order due to their aromatic
and irregular structural units, which limits their light absorption and charge mobility in …

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 …

What we have learnt from PM6: Y6

S Shoaee, HM Luong, J Song, Y Zou… - Advanced …, 2024 - Wiley Online Library
Over the past three years, remarkable advancements in organic solar cells (OSCs) have
emerged, propelled by the introduction of Y6—an innovative A‐DA'D‐A type small molecule …

Cyano-functionalized pyrazine: an electron-deficient unit as a solid additive enables binary organic solar cells with 19.67% efficiency

L Tu, H Wang, W Duan, R Ma, T Jia… - Energy & …, 2024 - pubs.rsc.org
Additive engineering has been regarded as a valuable approach for enhancing the power
conversion efficiencies (PCEs) of organic solar cells (OSCs). However, the effective solid …

Achieving record-efficiency organic solar cells upon tuning the conformation of solid additives

C Li, X Gu, Z Chen, X Han, N Yu, Y Wei… - Journal of the …, 2022 - ACS Publications
Volatile solid additives (SADs) are considered as a simple yet effective approach to tune the
film morphology for high-performance organic solar cells (OSCs). However, the structural …