Barrierless free charge generation in the high‐performance PM6: Y6 bulk heterojunction non‐fullerene solar cell

L Perdigón‐Toro, H Zhang, A Markina… - Advanced …, 2020 - Wiley Online Library
Organic solar cells are currently experiencing a second golden age thanks to the
development of novel non‐fullerene acceptors (NFAs). Surprisingly, some of these blends …

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 …

Probing polaron-induced exciton quenching in TADF based organic light-emitting diodes

M Hasan, S Saggar, A Shukla, F Bencheikh… - Nature …, 2022 - nature.com
Polaron-induced exciton quenching in thermally activated delayed fluorescence (TADF)-
based organic light-emitting diodes (OLEDs) can lead to external quantum efficiency (EQE) …

Probing the pathways of free charge generation in organic bulk heterojunction solar cells

J Kurpiers, T Ferron, S Roland, M Jakoby… - Nature …, 2018 - nature.com
The fact that organic solar cells perform efficiently despite the low dielectric constant of most
photoactive blends initiated a long-standing debate regarding the dominant pathways of free …

Anatomy of the energetic driving force for charge generation in organic solar cells

K Nakano, Y Chen, B Xiao, W Han, J Huang… - Nature …, 2019 - nature.com
Eliminating the excess energetic driving force in organic solar cells leads to a smaller
energy loss and higher device performance; hence, it is vital to understand the relation …

Building supramolecular chirality in bulk heterojunctions enables amplified dissymmetry current for high-performing circularly polarized light detection

L Liu, Y Yang, Y Wang, MA Adil, Y Zhao… - ACS Materials …, 2022 - ACS Publications
Chiral supramolecular architectures deliver desired properties and functions to artificial
systems. The recently developed direct circularly polarized light (CPL) detection is based on …

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 …

Conditions for efficient charge generation preceded by energy transfer process in non-fullerene organic solar cells

L Benatto, CAM Moraes, G Candiotto… - Journal of Materials …, 2021 - pubs.rsc.org
The minimum driving force strategy is applied to promote the exciton dissociation in organic
solar cells (OSCs) without significant loss of open-circuit voltage. However, this strategy …

What is the binding energy of a charge transfer state in an organic solar cell?

S Athanasopoulos, F Schauer… - Advanced Energy …, 2019 - Wiley Online Library
The high efficiencies reported for organic solar cells and an almost negligible thermal
activation measured for the photogeneration of charge carriers have called into question …

How to interpret absorption and fluorescence spectra of charge transfer states in an organic solar cell

FJ Kahle, A Rudnick, H Bässler, A Köhler - Materials Horizons, 2018 - pubs.rsc.org
The aim of the present work is to identify the appropriate framework for analyzing
photoluminescence and photocurrent (EQE) spectra of charge transfer (CT) states in donor …