Controlling singlet fission by molecular contortion

FS Conrad-Burton, T Liu, F Geyer… - Journal of the …, 2019 - ACS Publications
Singlet fission, the generation of two triplet excited states from the absorption of a single
photon, may potentially increase solar energy conversion efficiency. A major roadblock in …

The energy barrier in singlet fission can be overcome through coherent coupling and entropic gain

WL Chan, M Ligges, XY Zhu - Nature chemistry, 2012 - nature.com
One strategy to improve solar-cell efficiency is to generate two excited electrons from just
one photon through singlet fission, which is the conversion of a singlet (S1) into two triplet …

Endothermic singlet fission is hindered by excimer formation

CB Dover, JK Gallaher, L Frazer, PC Tapping… - Nature …, 2018 - nature.com
Singlet fission is a process whereby two triplet excitons can be produced from one photon,
potentially increasing the efficiency of photovoltaic devices. Endothermic singlet fission is …

Tuning the role of charge-transfer states in intramolecular singlet exciton fission through side-group engineering

S Lukman, K Chen, JM Hodgkiss, DHP Turban… - Nature …, 2016 - nature.com
Understanding the mechanism of singlet exciton fission, in which a singlet exciton separates
into a pair of triplet excitons, is crucial to the development of new chromophores for efficient …

Enabling singlet fission by controlling intramolecular charge transfer in π-stacked covalent terrylenediimide dimers

EA Margulies, CE Miller, Y Wu, L Ma, GC Schatz… - Nature Chemistry, 2016 - nature.com
When an assembly of two or more molecules absorbs a photon to form a singlet exciton, and
the energetics and intermolecular interactions are favourable, the singlet exciton can rapidly …

Singlet fission in pentacene dimers

J Zirzlmeier, D Lehnherr, PB Coto… - Proceedings of the …, 2015 - National Acad Sciences
Singlet fission (SF) has the potential to supersede the traditional solar energy conversion
scheme by means of boosting the photon-to-current conversion efficiencies beyond the 30 …

Quantitative intramolecular singlet fission in bipentacenes

SN Sanders, E Kumarasamy, AB Pun… - Journal of the …, 2015 - ACS Publications
Singlet fission (SF) has the potential to significantly enhance the photocurrent in single-
junction solar cells and thus raise the power conversion efficiency from the Shockley …

Influence of vibronic coupling on ultrafast singlet fission in a linear terrylenediimide dimer

JD Schultz, JY Shin, M Chen, JP O'Connor… - Journal of the …, 2021 - ACS Publications
Singlet fission (SF) is a photophysical process capable of boosting the efficiency of solar
cells. Recent experimental investigations into the mechanism of SF provide evidence for …

Singlet fission in a hexacene dimer: energetics dictate dynamics

SN Sanders, E Kumarasamy, KJ Fallon, MY Sfeir… - Chemical …, 2020 - pubs.rsc.org
Singlet fission (SF) is an exciton multiplication process with the potential to raise the
efficiency limit of single junction solar cells from 33% to up to 45%. Most chromophores …

A correlated electron view of singlet fission

PM Zimmerman, CB Musgrave… - Accounts of chemical …, 2013 - ACS Publications
Singlet fission occurs when a single exciton splits into multiple electron-hole pairs, and
could dramatically increase the efficiency of organic solar cells by converting high energy …