A review of non-fullerene polymer solar cells: from device physics to morphology control

RS Gurney, DG Lidzey, T Wang - Reports on Progress in Physics, 2019 - iopscience.iop.org
The rise in power conversion efficiency of organic photovoltaic (OPV) devices over the last
few years has been driven by the emergence of new organic semiconductors and the …

Conjugated‐Polymer Blends for Organic Photovoltaics: Rational Control of Vertical Stratification for High Performance

Y Yan, X Liu, T Wang - Advanced Materials, 2017 - Wiley Online Library
The photoactive layer of bulk‐heterojunction organic solar cells, in a thickness range of tens
to hundreds of nanometers, comprises phase‐separated electron donors and acceptors …

Dopant-free polymeric hole transport materials for highly efficient and stable perovskite solar cells

GW Kim, G Kang, J Kim, GY Lee, HI Kim… - Energy & …, 2016 - pubs.rsc.org
We report a dopant-free polymeric hole transport material (HTM) that is based on benzo [1, 2-
b: 4, 5: b′] dithiophene and 2, 1, 3-benzothiadiazole, which results in highly efficient and …

Regulation of crystallinity and vertical phase separation enables high‐efficiency thick organic solar cells

L Zhang, L Hu, X Wang, H Mao, L Zeng… - Advanced Functional …, 2022 - Wiley Online Library
Thick film organic solar cells have great potential for preparing large‐area devices in the
future. However, unsuitable vertical donor/acceptor distribution, poor crystallinity of …

Gradated mixed hole transport layer in a perovskite solar cell: improving moisture stability and efficiency

GW Kim, G Kang… - … applied materials & …, 2017 - ACS Publications
We demonstrate a simple and facile way to improve the efficiency and moisture stability of
perovskite solar cells using commercially available hole transport materials, 2, 2′, 7, 7 …

Vertical stratification engineering for organic bulk-heterojunction devices

L Huang, G Wang, W Zhou, B Fu, X Cheng, L Zhang… - ACS …, 2018 - ACS Publications
High-efficiency organic solar cells (OSCs) can be produced through optimization of
component molecular design, coupled with interfacial engineering and control of active layer …

Over 18.7% efficiency for bulk heterojunction and pseudo-planar heterojunction organic solar cells achieved by regulating intermolecular compatibility

Z Zhang, Y Zhang, S Sun, H Zhou, J Wang… - Journal of Materials …, 2024 - pubs.rsc.org
The regulation of intermolecular compatibility is important for achieving a suitable
morphology for organic solar cells (OSCs). The small molecule acceptor BTP-eC9 is …

High‐performance small molecule via tailoring intermolecular interactions and its application in large‐area organic photovoltaic modules

S Badgujar, GY Lee, T Park, CE Song… - Advanced Energy …, 2016 - Wiley Online Library
Solution‐processed organic solar cells are promising owing to their light weight, ease of
processability, low cost, flexibility, and large‐area fabrication. Particularly, small‐molecule …

Feasible D1–A–D2–A Random Copolymers for Simultaneous High‐Performance Fullerene and Nonfullerene Solar Cells

M Jeong, S Chen, SM Lee, Z Wang… - Advanced Energy …, 2018 - Wiley Online Library
A series of PBDB‐TTn random donor copolymers is synthesized, consisting of an electron‐
deficient benzo [1, 2‐c: 4, 5‐c′] dithiophene‐4, 8‐dione (BDD) unit and different ratios of …

Correlating three‐dimensional morphology with function in PBDB‐T: IT‐M non‐fullerene organic solar cells

W Li, J Cai, Y Yan, F Cai, S Li, RS Gurney, D Liu… - Solar …, 2018 - Wiley Online Library
In this work, the correlation between three‐dimensional morphology and device
performance of PBDB‐T: IT‐M non‐fullerene organic solar cells is investigated. We found …