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 …

Singlet fission as a polarized spin generator for dynamic nuclear polarization

Y Kawashima, T Hamachi, A Yamauchi… - Nature …, 2023 - nature.com
Singlet fission (SF), converting a singlet excited state into a spin-correlated triplet-pair state,
is an effective way to generate a spin quintet state in organic materials. Although its …

Photogeneration of spin quintet triplet–triplet excitations in DNA-assembled pentacene stacks

SRE Orsborne, J Gorman, LR Weiss… - Journal of the …, 2023 - ACS Publications
Singlet fission (SF), an exciton-doubling process observed in certain molecular
semiconductors where two triplet excitons are generated from one singlet exciton, requires …

Macrocyclic Parallel Dimer Showing Quantum Coherence of Quintet Multiexcitons at Room Temperature

W Ishii, M Fuki, EM Bu Ali, S Sato… - Journal of the …, 2024 - ACS Publications
Singlet fission (SF) is a promising approach in quantum information science because it can
generate spin-entangled quintet triplet pairs by photoexcitation independent of temperature …

[HTML][HTML] Recent developments in materials and applications of triplet dynamic nuclear polarization

T Hamachi, N Yanai - Progress in Nuclear Magnetic Resonance …, 2024 - Elsevier
Dynamic nuclear polarization (DNP) is a method for achieving high levels of nuclear spin
polarization by transferring spin polarization from electrons to nuclei by microwave …

Triplet-pair spin signatures from macroscopically aligned heteroacenes in an oriented single crystal

BK Rugg, KE Smyser, B Fluegel… - Proceedings of the …, 2022 - National Acad Sciences
The photo-driven process of singlet fission generates coupled triplet pairs (TT) with
fundamentally intriguing and potentially useful properties. The quintet 5TT0 sublevel is …

Room-temperature quantum coherence of entangled multiexcitons in a metal-organic framework

A Yamauchi, K Tanaka, M Fuki, S Fujiwara… - Science …, 2024 - science.org
Singlet fission can generate an exchange-coupled quintet triplet pair state 5TT, which could
lead to the realization of quantum computing and quantum sensing using entangled multiple …

Geometries and Terahertz Motions Driving Quintet Multiexcitons and Ultimate Triplet–Triplet Dissociations via the Intramolecular Singlet Fissions

Y Kobori, M Fuki, S Nakamura… - The Journal of Physical …, 2020 - ACS Publications
Importance of vibronic effects has been highlighted for the singlet-fission (SF) that converts
one high-energy singlet exciton into doubled triplet excitons, as strongly coupled …

Quintet formation, exchange fluctuations, and the role of stochastic resonance in singlet fission

MI Collins, F Campaioli, MJY Tayebjee… - Communications …, 2023 - nature.com
Singlet fission describes the spin-conserving production of two triplet excitons from one
singlet exciton. The existence of a spin-2 (quintet) triplet-pair state as a product of singlet …