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 …

A history and perspective of non‐fullerene electron acceptors for organic solar cells

A Armin, W Li, OJ Sandberg, Z Xiao… - Advanced Energy …, 2021 - Wiley Online Library
Organic solar cells are composed of electron donating and accepting organic
semiconductors. Whilst a significant palette of donors has been developed over three …

Manipulating the D: A interfacial energetics and intermolecular packing for 19.2% efficiency organic photovoltaics

C He, Y Pan, Y Ouyang, Q Shen, Y Gao… - Energy & …, 2022 - pubs.rsc.org
Manipulating the donor: acceptor (D: A) energetics, eg, the highest occupied molecular
orbital (HOMO) offset, is the key to balancing the charge separation and charge …

Realizing 19.05% efficiency polymer solar cells by progressively improving charge extraction and suppressing charge recombination

K Chong, X Xu, H Meng, J Xue, L Yu, W Ma… - Advanced …, 2022 - Wiley Online Library
Improving charge extraction and suppressing charge recombination are critically important
to minimize the loss of absorbed photons and improve the device performance of polymer …

[PDF][PDF] Desired open-circuit voltage increase enables efficiencies approaching 19% in symmetric-asymmetric molecule ternary organic photovoltaics

L Zhan, S Li, Y Li, R Sun, J Min, Z Bi, W Ma, Z Chen… - Joule, 2022 - cell.com
The large open-circuit voltage (V oc) loss is currently the main obstacle for pursuing the
highly efficient organic photovoltaics (OPVs). To address this issue, we construct the ternary …

Compromising charge generation and recombination of organic photovoltaics with mixed diluent strategy for certified 19.4% efficiency

T Chen, S Li, Y Li, Z Chen, H Wu, Y Lin… - Advanced …, 2023 - Wiley Online Library
The ternary blend is demonstrated as an effective strategy to promote the device
performance of organic photovoltaics (OPVs) due to the dilution effect. While the …

Improved photovoltaic performance and robustness of all-polymer solar cells enabled by a polyfullerene guest acceptor

H Yu, Y Wang, X Zou, J Yin, X Shi, Y Li, H Zhao… - Nature …, 2023 - nature.com
Fullerene acceptors typically possess excellent electron-transporting properties and can
work as guest components in ternary organic solar cells to enhance the charge extraction …

[PDF][PDF] Reduced non-radiative charge recombination enables organic photovoltaic cell approaching 19% efficiency

P Bi, S Zhang, Z Chen, Y Xu, Y Cui, T Zhang, J Ren… - Joule, 2021 - cell.com
Reducing non-radiative charge recombination is of critical importance to achieving high-
performance organic photovoltaic (OPV) cells. The correlation between the exciton …

Non-fullerene acceptors with branched side chains and improved molecular packing to exceed 18% efficiency in organic solar cells

C Li, J Zhou, J Song, J Xu, H Zhang, X Zhang, J Guo… - Nature Energy, 2021 - nature.com
Molecular design of non-fullerene acceptors is of vital importance for high-efficiency organic
solar cells. The branched alkyl chain modification is often regarded as a counter-intuitive …

Asymmetric electron acceptor enables highly luminescent organic solar cells with certified efficiency over 18%

C He, Z Chen, T Wang, Z Shen, Y Li, J Zhou… - Nature …, 2022 - nature.com
Enhancing the luminescence property without sacrificing the charge collection is one key to
high-performance organic solar cells (OSCs), while limited by the severe non-radiative …