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 …

Triplet fusion upconversion nanocapsules for volumetric 3D printing

SN Sanders, TH Schloemer, MK Gangishetty… - Nature, 2022 - nature.com
Abstract Three-dimensional (3D) printing has exploded in interest as new technologies have
opened up a multitude of applications,,,,–, with stereolithography a particularly successful …

Unconventional singlet fission materials

T Ullrich, D Munz, DM Guldi - Chemical Society Reviews, 2021 - pubs.rsc.org
Singlet fission (SF) is a photophysical downconversion pathway, in which a singlet excitation
transforms into two triplet excited states. As such, it constitutes an exciton multiplication …

Harnessing singlet exciton fission to break the Shockley–Queisser limit

A Rao, RH Friend - Nature reviews materials, 2017 - nature.com
Singlet exciton fission is a carrier multiplication process in organic semiconductors that
generates two electron–hole pairs for each photon absorbed. Singlet fission occurs on sub …

Quintet multiexciton dynamics in singlet fission

MJY Tayebjee, SN Sanders, E Kumarasamy… - Nature Physics, 2017 - nature.com
Singlet fission, in which two triplet excitons are generated from a single absorbed photon, is
a key third-generation solar cell concept. Conservation of angular momentum requires that …

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 …

Triplet-pair states in organic semiconductors

AJ Musser, J Clark - Annual review of physical chemistry, 2019 - annualreviews.org
Entanglement of states is one of the most surprising and counterintuitive consequences of
quantum mechanics, with potent applications in cryptography and computing. In organic …

A direct mechanism of ultrafast intramolecular singlet fission in pentacene dimers

EG Fuemmeler, SN Sanders, AB Pun… - ACS central …, 2016 - ACS Publications
Interest in materials that undergo singlet fission (SF) has been catalyzed by the potential to
exceed the Shockley–Queisser limit of solar power conversion efficiency. In conventional …

Singlet fission: progress and prospects in solar cells

J Xia, SN Sanders, W Cheng, JZ Low, J Liu… - Advanced …, 2017 - Wiley Online Library
The third generation of photovoltaic technology aims to reduce the fabrication cost and
improve the power conversion efficiency (PCE) of solar cells. Singlet fission (SF), an efficient …