Renewed prospects for organic photovoltaics

G Zhang, FR Lin, F Qi, T Heumüller, A Distler… - Chemical …, 2022 - ACS Publications
Organic photovoltaics (OPVs) have progressed steadily through three stages of photoactive
materials development:(i) use of poly (3-hexylthiophene) and fullerene-based acceptors …

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 …

The path to 20% power conversion efficiencies in nonfullerene acceptor organic solar cells

A Karki, AJ Gillett, RH Friend… - Advanced Energy …, 2021 - Wiley Online Library
The power conversion efficiencies (PCEs) of single‐junction organic solar cells (OSC) have
now reached over 18%. This rapid recent progress can be attributed to the development of …

The coupling and competition of crystallization and phase separation, correlating thermodynamics and kinetics in OPV morphology and performances

Z Wang, K Gao, Y Kan, M Zhang, C Qiu, L Zhu… - Nature …, 2021 - nature.com
The active layer morphology transition of organic photovoltaics under non-equilibrium
conditions are of vital importance in determining the device power conversion efficiency and …

A hot carrier perovskite solar cell with efficiency exceeding 27% enabled by ultrafast hot hole transfer with phthalocyanine derivatives

S Gong, G Qu, Y Qiao, Y Wen, Y Huang… - Energy & …, 2024 - pubs.rsc.org
Hot carrier solar cells could achieve efficiencies exceeding the Shockley–Queisser limit by
collecting hot carriers before they cool down. With the hot-phonon bottleneck effect, hot …

Thin-film image sensors with a pinned photodiode structure

J Lee, E Georgitzikis, Y Hermans, N Papadopoulos… - Nature …, 2023 - nature.com
Image sensors made using silicon complementary metal–oxide–semiconductor technology
can be found in numerous electronic devices and typically rely on pinned photodiode …

Charge-transfer electronic states in organic solar cells

V Coropceanu, XK Chen, T Wang, Z Zheng… - Nature Reviews …, 2019 - nature.com
In organic solar cells, the charge-transfer (CT) electronic states that form at the interface
between the electron-donor (D) and electron-acceptor (A) materials have a crucial role in …

The role of bulk and interfacial morphology in charge generation, recombination, and extraction in non-fullerene acceptor organic solar cells

A Karki, J Vollbrecht, AJ Gillett, SS **ao… - Energy & …, 2020 - pubs.rsc.org
Some fundamental questions in the organic solar cell (OSC) community are related to the
role of bulk and interfacial morphology on key processes such as charge generation …

Dopant‐free phthalocyanine hole conductor with thermal‐induced holistic passivation for stable perovskite solar cells with 23% efficiency

G Qu, L Dong, Y Qiao, D Khan, Q Chen… - Advanced Functional …, 2022 - Wiley Online Library
Simultaneous passivation of the defects at the surface and grain boundaries of perovskite
films is crucial to achieve efficient and stable perovskite solar cells (PSCs). It is highly …

Understanding the high performance of over 15% efficiency in single‐junction bulk heterojunction organic solar cells

A Karki, J Vollbrecht, AL Dixon, N Schopp… - Advanced …, 2019 - Wiley Online Library
The highly efficient single‐junction bulk‐heterojunction (BHJ) PM6: Y6 system can achieve
high open‐circuit voltages (VOC) while maintaining exceptional fill‐factor (FF) and short …