Mixed electronic states in molecular dimers: Connecting singlet fission, excimer formation, and symmetry-breaking charge transfer

RM Young, MR Wasielewski - Accounts of chemical research, 2020 - ACS Publications
Conspectus Chromophore aggregates are capable of a wide variety of excited-state
dynamics that are potentially of great use in optoelectronic devices based on organic …

Access to the triplet excited states of organic chromophores

D Sasikumar, AT John, J Sunny… - Chemical Society …, 2020 - pubs.rsc.org
Over the last several decades, exploring the pathways to access the triplet excited states of
organic chromophores has been a stimulating area of research. Among the numerous …

Photochemical upconversion of near-infrared light from below the silicon bandgap

EM Gholizadeh, SKK Prasad, ZL Teh, T Ishwara… - Nature …, 2020 - nature.com
Photochemical upconversion is a strategy for converting infrared light into more energetic,
visible light, with potential applications ranging from biological imaging and drug delivery to …

Leveraging charge-transfer interactions in through-space-coupled pentacene dendritic oligomer for singlet exciton fission

J Kim, HT Teo, Y Hong, YC Liau, D Yim… - Journal of the …, 2023 - ACS Publications
Singlet exciton fission in organic chromophores has received much attention during the past
decade. Inspired by numerous spectroscopic studies in the solid state, there have been …

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 …

Emissive spin-0 triplet-pairs are a direct product of triplet–triplet annihilation in pentacene single crystals and anthradithiophene films

DG Bossanyi, M Matthiesen, S Wang, JA Smith… - Nature …, 2021 - nature.com
Singlet fission and triplet–triplet annihilation represent two highly promising ways of
increasing the efficiency of photovoltaic devices. Both processes are believed to be …

Lessons from intramolecular singlet fission with covalently bound chromophores

NV Korovina, NF Pompetti, JC Johnson - The Journal of chemical …, 2020 - pubs.aip.org
Molecular dimers, oligomers, and polymers are versatile components in photophysical and
optoelectronic architectures that could impact a variety of applications. We present a …

Spatial separation of triplet excitons drives endothermic singlet fission

NV Korovina, CH Chang, JC Johnson - Nature Chemistry, 2020 - nature.com
Molecules that undergo singlet fission, converting singlet excitons into pairs of triplet
excitons, have potential as photovoltaic materials. The possible advantages of endothermic …

Free-triplet generation with improved efficiency in tetracene oligomers through spatially separated triplet pair states

Z Wang, H Liu, X Xie, C Zhang, R Wang, L Chen… - Nature Chemistry, 2021 - nature.com
Singlet fission (SF) can potentially boost the efficiency of solar energy conversion by
converting a singlet exciton (S1) into two free triplets (T1+ T1) through an intermediate state …

Striking the right balance of intermolecular coupling for high-efficiency singlet fission

RD Pensack, AJ Tilley, C Grieco, GE Purdum… - Chemical …, 2018 - pubs.rsc.org
Singlet fission is a process that splits collective excitations, or excitons, into two with unity
efficiency. This exciton splitting process, unique to molecular photophysics, has the potential …