Recent advances in triplet–triplet annihilation upconversion and singlet fission, towards solar energy applications

AJ Carrod, V Gray, K Börjesson - Energy & Environmental Science, 2022 - pubs.rsc.org
Solar energy is an ample renewable energy resource, with photovoltaic (PV) technology
enabling a direct route from light to electricity. Currently, PVs are limited in photon …

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 …

Hidden triplet states at hybrid organic–inorganic interfaces

G Bao, R Deng, D **, X Liu - Nature Reviews Materials, 2024 - nature.com
Triplet states have been widely studied in phosphorescent molecules, lanthanide complexes
and triplet–triplet annihilation systems, in which they have a critical role in energy transfer …

Unconventional singlet fission materials

T Ullrich, D Munz, DM Guldi - Chemical Society Reviews, 2021 - pubs.rsc.org
Singlet fission (SF) is a photophysical downconversion pathway, in which a singlet excitation
transforms into two triplet excited states. As such, it constitutes an exciton multiplication …

Anisotropic multiexciton quintet and triplet dynamics in singlet fission via pulsed electron spin resonance

TSC MacDonald, MJY Tayebjee… - Journal of the …, 2023 - ACS Publications
The quintet triplet-pair state may be generated upon singlet fission and is a critical
intermediate that dictates the fate of excitons, which can be exploited for photovoltaics …

Using molecular design to enhance the coherence time of quintet multiexcitons generated by singlet fission in single crystals

RM Jacobberger, Y Qiu, ML Williams… - Journal of the …, 2022 - ACS Publications
Multiexciton quintet states, 5 (TT), photogenerated in organic semiconductors using singlet
fission (SF), consist of four quantum entangled spins, promising to enable new applications …

Leveraging charge-transfer interactions in through-space-coupled pentacene dendritic oligomer for singlet exciton fission

J Kim, HT Teo, Y Hong, YC Liau, D Yim… - Journal of the …, 2023 - ACS Publications
Singlet exciton fission in organic chromophores has received much attention during the past
decade. Inspired by numerous spectroscopic studies in the solid state, there have been …

Controlling Intramolecular Singlet Fission Dynamics via Torsional Modulation of Through-Bond versus Through-Space Couplings

K Majumder, S Mukherjee, NA Panjwani… - Journal of the …, 2023 - ACS Publications
Covalent dimers, particularly pentacenes, are the dominant platform for develo** a
mechanistic understanding of intramolecular singlet fission (iSF). Numerous studies have …

Lessons from intramolecular singlet fission with covalently bound chromophores

NV Korovina, NF Pompetti, JC Johnson - The Journal of chemical …, 2020 - pubs.aip.org
Molecular dimers, oligomers, and polymers are versatile components in photophysical and
optoelectronic architectures that could impact a variety of applications. We present a …

Soluble diphenylhexatriene dimers for intramolecular singlet fission with high triplet energy

O Millington, S Montanaro, A Leventis… - Journal of the …, 2023 - ACS Publications
Intramolecular singlet fission (iSF) facilitates single-molecule exciton multiplication,
converting an excited singlet state to a pair of triplet states within a single molecule. A critical …