Understanding the luminescent nature of organic radicals for efficient doublet emitters and pure-red light-emitting diodes

A Abdurahman, TJH Hele, Q Gu, J Zhang, Q Peng… - Nature materials, 2020 - nature.com
The doublet-spin nature of radical emitters is advantageous for applications in organic light-
emitting diodes, as it avoids the formation of triplet excitons that limit the …

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 developing a
mechanistic understanding of intramolecular singlet fission (iSF). Numerous studies have …

Switching between coherent and incoherent singlet fission via solvent-induced symmetry breaking

AM Alvertis, S Lukman, TJH Hele… - Journal of the …, 2019 - ACS Publications
Singlet fission in organic semiconductors causes a singlet exciton to decay into a pair of
triplet excitons and holds potential for increasing the efficiency of photovoltaic devices. In …

[HTML][HTML] Efficient light-emitting diodes from organic radicals with doublet emission

JM Hudson, TJH Hele, EW Evans - Journal of Applied Physics, 2021 - pubs.aip.org
Organic light-emitting diodes (OLEDs) with doublet-spin radical emitters have emerged as a
new route to efficient display technologies. In contrast to standard organic semiconductors …

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 …

Alternant Hydrocarbon Diradicals as Optically Addressable Molecular Qubits

YR Poh, D Morozov, NP Kazmierczak… - Journal of the …, 2024 - ACS Publications
High-spin molecules allow for bottom-up qubit design and are promising platforms for
magnetic sensing and quantum information science. Optical addressability of molecular …

Singlet fission and triplet pair recombination in bipentacenes with a twist

LM Yablon, SN Sanders, K Miyazaki… - Materials …, 2022 - pubs.rsc.org
We investigate triplet pair dynamics in pentacene dimers that have varying degrees of
coplanarity (pentacene–pentacene twist angle). The fine-tuning of the twist angle was …

Coherent photoexcitation of entangled triplet pair states

J Kim, DC Bain, V Ding, K Majumder, D Windemuller… - Nature Chemistry, 2024 - nature.com
The functional properties of organic semiconductors are defined by the interplay between
optically bright and dark states. Organic devices require rapid conversion between these …

Turning on Organic Radical Emitters

M Dubbini, F Bonvini, L Savi… - The Journal of Physical …, 2024 - ACS Publications
Radical emitters have attracted considerable interest because of their potential to surpass
the limitations of singlet emitters due to spin statistics, thereby revolutionizing organic LEDs …

Probing Through-Bond and Through-Space Interactions in Singlet Fission-Based Pentacene Dimers

A Sharma, S Athanasopoulos, Y Li… - The Journal of …, 2022 - ACS Publications
Interchromophoric interactions such as Coulombic coupling and exchange interactions are
crucial to the functional properties of numerous π-conjugated systems. Here, we use …