A materials physics perspective on structure–processing–function relations in blends of organic semiconductors

Z Peng, N Stingelin, H Ade, JJ Michels - Nature Reviews Materials, 2023 - nature.com
During the past 30 years of research in organic electronics, the development of mechanistic
understanding of important structure–processing–performance interrelationships has been …

Morphology control in organic solar cells

F Zhao, C Wang, X Zhan - Advanced Energy Materials, 2018 - Wiley Online Library
Organic solar cells (OSCs) can directly convert the sunlight into electrical energy and
present some advantages, such as low cost, light weight, flexibility, semitransparency, and …

The role of charge recombination to triplet excitons in organic solar cells

AJ Gillett, A Privitera, R Dilmurat, A Karki, D Qian… - Nature, 2021 - nature.com
The use of non-fullerene acceptors (NFAs) in organic solar cells has led to power
conversion efficiencies as high as 18%. However, organic solar cells are still less efficient …

Delineation of thermodynamic and kinetic factors that control stability in non-fullerene organic solar cells

M Ghasemi, H Hu, Z Peng, JJ Rech, I Angunawela… - Joule, 2019 - cell.com
Although non-fullerene small molecular acceptors (NF-SMAs) are dominating current
research in organic solar cells (OSCs), measurements of thermodynamics drivers and …

Recent advances in morphology optimization for organic photovoltaics

H Lee, C Park, DH Sin, JH Park, K Cho - Advanced Materials, 2018 - Wiley Online Library
Organic photovoltaics are an important part of a next‐generation energy‐harvesting
technology that uses a practically infinite pollutant‐free energy source. They have the …

[PDF][PDF] Importance of domain purity and molecular packing in efficient solution-processed small-molecule solar cells

S Mukherjee, CM Proctor, JR Tumbleston, GC Bazan… - Adv. Mater, 2015 - academia.edu
DOI: 10.1002/adma. 201404388 and charge generation.[12–14] The actual morphologies
might thus comprise three phases, with relatively pure, aggregated donor and acceptor …

Significance of Average Domain Purity and Mixed Domains on the Photovoltaic Performance of High‐Efficiency Solution‐Processed Small‐Molecule BHJ Solar Cells

S Mukherjee, CM Proctor, GC Bazan… - Advanced Energy …, 2015 - Wiley Online Library
Whereas the role of molecularly mixed domains in organic photovoltaic devices for charge
generation is extensively discussed in the literature, the impact on charge recombination …

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 …

Visualizing morphological principles for efficient photocurrent generation in organic non-fullerene acceptor blends

W Köntges, P Perkhun, J Kammerer… - Energy & …, 2020 - pubs.rsc.org
The efficiency of organic solar cells with donor polymers and non-fullerene acceptors
depends on a complex morphology. Similar chemical and electronic structures impede …

Effect of solution shearing method on packing and disorder of organic semiconductor polymers

G Giri, DM DeLongchamp, J Reinspach… - Chemistry of …, 2015 - ACS Publications
The solution shearing method has previously been used to tune the molecular packing and
crystal thin film morphology of small molecular organic semiconductors (OSCs). Here, we …