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 …

Nonfullerene acceptor molecules for bulk heterojunction organic solar cells

G Zhang, J Zhao, PCY Chow, K Jiang, J Zhang… - Chemical …, 2018‏ - ACS Publications
The bulk-heterojunction blend of an electron donor and an electron acceptor material is the
key component in a solution-processed organic photovoltaic device. In the past decades, a p …

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 …

Progress in materials, solution processes, and long‐term stability for large‐area organic photovoltaics

S Park, T Kim, S Yoon, CW Koh, HY Woo… - Advanced …, 2020‏ - Wiley Online Library
Organic solar cells based on bulk heterojunctions (BHJs) are attractive energy‐conversion
devices that can generate electricity from absorbed sunlight by dissociating excitons and …

The active layer morphology of organic solar cells probed with grazing incidence scattering techniques

P Müller‐Buschbaum - Advanced materials, 2014‏ - Wiley Online Library
Grazing incidence X‐ray scattering (GIXS) provides unique insights into the morphology of
active materials and thin film layers used in organic photovoltaic devices. With grazing …

A universal layer-by-layer solution-processing approach for efficient non-fullerene organic solar cells

R Sun, J Guo, C Sun, T Wang, Z Luo, Z Zhang… - Energy & …, 2019‏ - pubs.rsc.org
Layer-by-layer (LbL) solution processing is a cost-effective technology for the large-scale
fabrication of organic solar cells (OSCs). In this work, LbL OSCs were fabricated using …

Delocalization and dielectric screening of charge transfer states in organic photovoltaic cells

B Bernardo, D Cheyns, B Verreet, RD Schaller… - Nature …, 2014‏ - nature.com
Charge transfer (CT) states at a donor–acceptor heterojunction have a key role in the charge
photogeneration process of organic solar cells, however, the mechanism by which these …

Organic planar heterojunctions: from models for interfaces in bulk heterojunctions to high‐performance solar cells

K Nakano, K Tajima - Advanced Materials, 2017‏ - Wiley Online Library
Recent progress regarding planar heterojunctions (PHJs) is reviewed, with respect to the
fundamental understanding of the photophysical processes at the donor/acceptor interfaces …

Geminate and nongeminate pathways for triplet exciton formation in organic solar cells

A Privitera, J Grüne, A Karki, WK Myers… - Advanced Energy …, 2022‏ - Wiley Online Library
Organic solar cells (OSCs) have recently shown a rapid improvement in their performance,
bringing power conversion efficiencies to above 18%. However, the open‐circuit voltage of …

Uncovering the out-of-plane nanomorphology of organic photovoltaic bulk heterojunction by GTSAXS

X **a, TK Lau, X Guo, Y Li, M Qin, K Liu, Z Chen… - Nature …, 2021‏ - nature.com
The bulk morphology of the active layer of organic solar cells (OSCs) is known to be crucial
to the device performance. The thin film device structure breaks the symmetry into the in …