Intramolecular singlet fission and triplet exciton harvesting in tetracene oligomers for solar energy conversion

T Wang, H Liu, X Wang, L Tang, J Zhou… - Journal of Materials …, 2023 - pubs.rsc.org
Singlet fission (SF), which can convert one singlet exciton into two triplet excitons, has the
potential to enhance the solar energy conversion efficiency in devices such as photovoltaic …

Quantum interference effects elucidate triplet-pair formation dynamics in intramolecular singlet-fission molecules

KR Parenti, R Chesler, G He, P Bhattacharyya… - Nature Chemistry, 2023 - nature.com
Quantum interference (QI)—the constructive or destructive interference of conduction
pathways through molecular orbitals—plays a fundamental role in enhancing or …

Unraveling Triplet Formation Mechanisms in Acenothiophene Chromophores

G He, KR Parenti, PJ Budden, J Niklas… - Journal of the …, 2023 - ACS Publications
The evolution of molecular platforms for singlet fission (SF) chromophores has fueled the
quest for new compounds capable of generating triplets quantitatively at fast time scales. As …

[HTML][HTML] Molecular rotational conformation controls the rate of singlet fission and triplet decay in pentacene dimers

R Ringström, F Edhborg, ZW Schroeder, L Chen… - Chemical …, 2022 - pubs.rsc.org
Three pentacene dimers have been synthesized to investigate the effect of molecular
rotation and rotational conformations on singlet fission (SF). In all three dimers, the …

Direct exciton harvesting from a bound triplet pair

G He, KR Parenti, LM Campos, MY Sfeir - Advanced Materials, 2022 - Wiley Online Library
Singlet fission is commonly defined as the generation of two triplet excitons from a single
absorbed photon. However, ambiguities within this definition arise due to the complexity of …

Excited-state dynamics of 5, 14-vs 6, 13-bis (trialkylsilylethynyl)-substituted pentacenes: Implications for singlet fission

RD Pensack, GE Purdum, SM Mazza… - The Journal of …, 2022 - ACS Publications
Singlet fission is a process in conjugated organic materials that has the potential to
considerably improve the performance of devices in many applications, including solar …

[HTML][HTML] Optimizing through-space interaction for singlet fission by using macrocyclic structures

Z Wang, X Yang, H Ma, X Xie - Journal of Materials Chemistry C, 2023 - pubs.rsc.org
There is great interest in the exploitation of singlet fission (SF) materials to improve the
power conversion efficiency (PCE) of solar cells. Usually, ultrafast SF is achieved as an …

Twisted carotenoids do not support efficient intramolecular singlet fission in the orange carotenoid protein

GA Sutherland, JP Pidgeon, HKH Lee… - The Journal of …, 2023 - ACS Publications
Singlet exciton fission is the spin-allowed generation of two triplet electronic excited states
from a singlet state. Intramolecular singlet fission has been suggested to occur on individual …

Influence of core-twisted structure on singlet fission in perylenediimide film

J Zhou, H Liu, W Wang, T Li, Z Li, Z Liu, Y Chen… - … of Photochemistry and …, 2023 - Elsevier
To reveal the relationship between molecular packing and singlet fission (SF) property is
necessary for developing efficient SF materials, yet it remains unclear. Herein, we …

Catalyzing Singlet Fission by Transition Metals: Second versus Third Row Effects

Y Hou, I Papadopoulos, Y Bo, AS Wollny… - Precision …, 2023 - ACS Publications
The synthesis and characterization of platinum (II) and palladium (II) complexes bearing two
(dimers Pt (Lpc) 2Cl2 and Pd (Lpc) 2Cl2), one (monomers Pt (Lpc)(Lref) Cl2 and Pd …