Recent advances in triplet–triplet annihilation upconversion and singlet fission, towards solar energy applications

AJ Carrod, V Gray, K Börjesson - Energy & Environmental Science, 2022 - pubs.rsc.org
Solar energy is an ample renewable energy resource, with photovoltaic (PV) technology
enabling a direct route from light to electricity. Currently, PVs are limited in photon …

Triplet pair states in singlet fission

K Miyata, FS Conrad-Burton, FL Geyer… - Chemical reviews, 2019 - ACS Publications
This account aims at providing an understanding of singlet fission, ie, the photophysical
process of a singlet state (S1) splitting into two triplet states (2× T1) in molecular …

Theoretical modeling of singlet fission

D Casanova - Chemical reviews, 2018 - ACS Publications
Singlet fission is a photophysical reaction in which a singlet excited electronic state splits
into two spin-triplet states. Singlet fission was discovered more than 50 years ago, but the …

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 …

Evidence for conical intersection dynamics mediating ultrafast singlet exciton fission

AJ Musser, M Liebel, C Schnedermann, T Wende… - Nature Physics, 2015 - nature.com
Singlet exciton fission is the process in organic semiconductors through which a spin-singlet
exciton converts into a pair of spin-triplet excitons residing on different chromophores …

A transferable model for singlet-fission kinetics

SR Yost, J Lee, MWB Wilson, T Wu, DP McMahon… - Nature …, 2014 - nature.com
Exciton fission is a process that occurs in certain organic materials whereby one singlet
exciton splits into two independent triplets. In photovoltaic devices these two triplet excitons …

Vibronically coherent ultrafast triplet-pair formation and subsequent thermally activated dissociation control efficient endothermic singlet fission

HL Stern, A Cheminal, SR Yost, K Broch, SL Bayliss… - Nature …, 2017 - nature.com
Singlet exciton fission (SF), the conversion of one spin-singlet exciton (S1) into two spin-
triplet excitons (T1), could provide a means to overcome the Shockley–Queisser limit in …

The entangled triplet pair state in acene and heteroacene materials

CK Yong, AJ Musser, SL Bayliss, S Lukman… - Nature …, 2017 - nature.com
Entanglement of states is one of the most surprising and counter-intuitive consequences of
quantum mechanics, with potent applications in cryptography and computing. In organic …

Spin-flip methods in quantum chemistry

D Casanova, AI Krylov - Physical Chemistry Chemical Physics, 2020 - pubs.rsc.org
This Perspective discusses salient features of the spin-flip approach to strong correlation
and describes different methods that sprung from this idea. The spin-flip treatment exploits …

Efficient multiexciton state generation in charge-transfer-coupled perylene bisimide dimers via structural control

Y Hong, J Kim, W Kim, C Kaufmann, H Kim… - Journal of the …, 2020 - ACS Publications
The singlet fission (SF) process is generally defined as the conversion of one singlet exciton
(S1) into two triplet excitons (2· T1), which has the potential to overcome thermalization …