A framework for multiexcitonic logic

RJ Hudson, TSC MacDonald, JH Cole… - Nature Reviews …, 2024 - nature.com
Exciton science sits at the intersection of chemical, optical and spin-based implementations
of information processing, but using excitons to conduct logical operations remains relatively …

Developments and challenges involving triplet transfer across organic/inorganic heterojunctions for singlet fission and photon upconversion

S Maiti, LDA Siebbeles - The Journal of Physical Chemistry Letters, 2023 - ACS Publications
In this Perspective, we provide an overview of recent advances in harvesting triplets for
photovoltaic and photon upconversion applications from two angles. In singlet fission …

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 …

Conformation of the Ester Group Governs the Photophysics of Highly Polarized Benzo[g]coumarins

K Szychta, B Koszarna, M Banasiewicz, A Sobolewski… - JACS Au, 2023 - ACS Publications
Photosensitizers that display “unusual” emission from upper electronically excited states
offer possibilities for initiating higher-energy processes than what the governing Kasha's rule …

Role of Singlet and Triplet Excited States in the Oxygen-Mediated Photophysics and Photodegradation of Polyacenes

AN Stuart, TW Kee, DM Huang - Journal of the American Chemical …, 2024 - ACS Publications
Polyacenes, such as tetracene and pentacene, are common model systems for the study of
photophysical phenomena such as singlet fission (SF) and triplet fusion, processes which …

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 …

Generative organic electronic molecular design informed by quantum chemistry

CH Li, DP Tabor - Chemical Science, 2023 - pubs.rsc.org
Generative molecular design strategies have emerged as promising alternatives to trial-and-
error approaches for exploring and optimizing within large chemical spaces. To date …

Intramolecular Singlet Fission Coupled with Intermolecular Triplet Separation as a Strategy to Achieve High Triplet Yields in Fluorene-Based Small Molecules

L Mencaroni, F Elisei, A Marrocchi… - The Journal of …, 2024 - ACS Publications
In this work, detailed experimental proof and in-depth analysis of the singlet fission (SF)
mechanism, operative in fluorene-based small molecules, are carried out by employing …

Unveiling the double triplet nature of the 2Ag state in conjugated stilbenoid compounds to achieve efficient singlet fission

L Mencaroni, M Alebardi, F Elisei, I Škorić… - Physical Chemistry …, 2023 - pubs.rsc.org
In this investigation, the excited-state evolution in a series of all-trans stilbenoid compounds,
displaying a low-lying dark singlet state of 2Ag-like symmetry nearly degenerate with the …

Plenty of room on the top: Pathways and spectroscopic signatures of singlet fission from upper singlet states

Y Bai, W Ni, K Sun, L Chen, L Ma, Y Zhao… - The Journal of …, 2022 - ACS Publications
We investigate dynamic signatures of the singlet fission (SF) process triggered by the
excitation of a molecular system to an upper singlet state SN (N> 1) and develop a …