Hybridization of local exciton and charge-transfer states reduces nonradiative voltage losses in organic solar cells

FD Eisner, M Azzouzi, Z Fei, X Hou… - Journal of the …, 2019 - ACS Publications
A number of recent studies have shown that the nonradiative voltage losses in organic solar
cells can be suppressed in systems with low energetic offsets between donor and acceptor …

Unraveling the influence of non-fullerene acceptor molecular packing on photovoltaic performance of organic solar cells

L Ye, K Weng, J Xu, X Du, S Chandrabose… - Nature …, 2020 - nature.com
In non-fullerene organic solar cells, the long-range structure ordering induced by end-group
π–π stacking of fused-ring non-fullerene acceptors is considered as the critical factor in …

Optimized fibril network morphology by precise side‐chain engineering to achieve high‐performance bulk‐heterojunction organic solar cells

T Liu, L Huo, S Chandrabose, K Chen… - Advanced …, 2018 - Wiley Online Library
A polymer fibril assembly can dictate the morphology framework, in forming a network
structure, which is highly advantageous in bulk heterojunction (BHJ) organic solar cells …

Mapping polymer donors toward high-efficiency fullerene free organic solar cells.

Y Lin, F Zhao, Y Wu, K Chen, Y Xia, G Li… - … (Deerfield Beach, Fla …, 2016 - europepmc.org
Mapping Polymer Donors toward High-Efficiency Fullerene Free Organic Solar Cells. -
Abstract - Europe PMC Sign in | Create an account https://orcid.org Europe PMC Menu About …

High exciton diffusion coefficients in fused ring electron acceptor films

S Chandrabose, K Chen, AJ Barker… - Journal of the …, 2019 - ACS Publications
Modest exciton diffusion lengths dictate the need for nanostructured bulk heterojunctions in
organic photovoltaic (OPV) cells; however, this morphology compromises charge collection …

Nongeminate charge recombination in organic photovoltaics

T Fukuhara, Y Tamai, H Ohkita - Sustainable Energy & Fuels, 2020 - pubs.rsc.org
Charge recombination is a major loss process in state-of-the-art organic photovoltaics
(OPVs). Nongeminate recombination (NGR) is typically in competition with collection of …

Quinoxaline-based non-fullerene guest acceptor enables ternary organic solar cells achieving 18.9% efficiency via reducing energy loss and regulating morphology

H Liu, Z Chen, R Peng, Y Qiu, J Shi, J Zhu… - Chemical Engineering …, 2023 - Elsevier
Designing appropriate third component is considered as a valid and facile approach to
improve the devices photovoltaic performance of organic solar cells. Here, a novel …

Exciton and charge carrier dynamics in highly crystalline PTQ10: IDIC organic solar cells

H Cha, Y Zheng, Y Dong, HH Lee, J Wu… - Advanced Energy …, 2020 - Wiley Online Library
Herein the morphology and exciton/charge carrier dynamics in bulk heterojunctions (BHJs)
of the donor polymer PTQ10 and molecular acceptor IDIC are investigated. PTQ10: IDIC …

Energy-gap law for photocurrent generation in fullerene-based organic solar cells: the case of low-donor-content blends

E Collado-Fregoso, SN Pugliese… - Journal of the …, 2019 - ACS Publications
The involvement of charge-transfer (CT) states in the photogeneration and recombination of
charge carriers has been an important focus of study within the organic photovoltaic …

Efficient ternary blend all-polymer solar cells with a polythiophene derivative as a hole-cascade material

W Su, Q Fan, X Guo, B Guo, W Li, Y Zhang… - Journal of Materials …, 2016 - pubs.rsc.org
Ternary blending is one of the effective strategies to broaden the complementary absorption
range and smooth the energy level at the donor/acceptor interface for achieving high …