Dynamics of excitons in conjugated molecules and organic semiconductor systems

OP Dimitriev - Chemical Reviews, 2022 - ACS Publications
The exciton, an excited electron–hole pair bound by Coulomb attraction, plays a key role in
photophysics of organic molecules and drives practically important phenomena such as …

Exciton diffusion and dissociation in organic and quantum‐dot solar cells

D He, M Zeng, Z Zhang, Y Bai, G ** enables highly efficient organic bulk heterojunction solar cells
J Wu, J Lee, YC Chin, H Yao, H Cha, J Luke… - Energy & …, 2020 - pubs.rsc.org
In this study, we investigate the underlying origin of the high performance of PM6: Y6
organic solar cells. Employing transient optoelectronic and photoemission spectroscopies …

A comparison of charge carrier dynamics in organic and perovskite solar cells

J Wu, H Cha, T Du, Y Dong, W Xu, CT Lin… - Advanced …, 2022 - Wiley Online Library
The charge carrier dynamics in organic solar cells and organic–inorganic hybrid metal
halide perovskite solar cells, two leading technologies in thin‐film photovoltaics, are …

Reduced voltage losses yield 10% efficient fullerene free organic solar cells with> 1 V open circuit voltages

D Baran, T Kirchartz, S Wheeler, S Dimitrov… - Energy & …, 2016 - pubs.rsc.org
Optimization of the energy levels at the donor–acceptor interface of organic solar cells has
driven their efficiencies to above 10%. However, further improvements towards efficiencies …

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 …

A near-infrared non-fullerene electron acceptor for high performance polymer solar cells

Y Li, L Zhong, B Gautam, HJ Bin, JD Lin… - Energy & …, 2017 - pubs.rsc.org
Low-bandgap polymers/molecules are an interesting family of semiconductor materials, and
have enabled many recent exciting breakthroughs in the field of organic electronics …

Solution‐Processed polymer solar cells with over 17% efficiency enabled by an iridium complexation approach

T Wang, R Sun, M Shi, F Pan, Z Hu… - Advanced Energy …, 2020 - Wiley Online Library
The commercially available PM6 as donor materials are used widely in highly efficient
nonfullerene polymer solar cells (PSCs). In this work, different concentrations of iridium (Ir) …

Robust nonfullerene solar cells approaching unity external quantum efficiency enabled by suppression of geminate recombination

D Baran, N Gasparini, A Wadsworth, CH Tan… - Nature …, 2018 - nature.com
Nonfullerene solar cells have increased their efficiencies up to 13%, yet quantum
efficiencies are still limited to 80%. Here we report efficient nonfullerene solar cells with …