Expanded theory of H-and J-molecular aggregates: the effects of vibronic coupling and intermolecular charge transfer

NJ Hestand, FC Spano - Chemical reviews, 2018 - ACS Publications
The electronic excited states of molecular aggregates and their photophysical signatures
have long fascinated spectroscopists and theoreticians alike since the advent of Frenkel …

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 …

Real-time observation of multiexcitonic states in ultrafast singlet fission using coherent 2D electronic spectroscopy

AA Bakulin, SE Morgan, TB Kehoe, MWB Wilson… - Nature …, 2016 - nature.com
Singlet fission is the spin-allowed conversion of a spin-singlet exciton into a pair of spin-
triplet excitons residing on neighbouring molecules. To rationalize this phenomenon, a …

Band structure engineering in organic semiconductors

M Schwarze, W Tress, B Beyer, F Gao, R Scholz… - Science, 2016 - science.org
A key breakthrough in modern electronics was the introduction of band structure
engineering, the design of almost arbitrary electronic potential structures by alloying different …

Ultrafast Exciton Dissociation and Long-Lived Charge Separation in a Photovoltaic Pentacene–MoS2 van der Waals Heterojunction

S Bettis Homan, VK Sangwan, I Balla, H Bergeron… - Nano …, 2017 - ACS Publications
van der Waals heterojunctions between two-dimensional (2D) layered materials and
nanomaterials of different dimensions present unique opportunities for gate-tunable …

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 …

Charge-Transfer Excitations Steer the Davydov Splitting<? format?> and Mediate Singlet Exciton Fission in Pentacene

D Beljonne, H Yamagata, JL Brédas, FC Spano… - Physical review …, 2013 - APS
Quantum-chemical calculations are combined to a model Frenkel-Holstein Hamiltonian to
assess the nature of the lowest electronic excitations in the pentacene crystal. We show that …

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 …

Polarized absorption in crystalline pentacene: theory vs experiment

NJ Hestand, H Yamagata, B Xu, D Sun… - The Journal of …, 2015 - ACS Publications
The polarized absorption spectra of crystalline pentacene are obtained for excitation normal
to the ab herringbone plane by measuring transmitted light in ultrathin crystals. The spectral …