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 …

The GW method and the Bethe–Salpeter equation (BSE) have exhibited excellent
performance in computing charged and neutral electronic excitations in materials of various …

The efficiency of solar cells may be improved by using singlet fission (SF), in which one
singlet exciton splits into two triplet excitons. SF occurs in molecular crystals. A molecule …

Dye arrays from dimers up to larger oligomers constitute the functional units of natural light
harvesting systems as well as organic photonic and photovoltaic materials. Whilst in the past …

Excitons in organic crystalline semiconductors play a crucial role in the operation of
optoelectronic devices, such as organic solar cells, light-emitting diodes, and …

The efficiency of solar cells may be increased by utilizing photons with energies below the
band gap of the absorber. This may be enabled by upconversion of low energy photons into …

Solving the Bethe-Salpeter equation (BSE) for the optical polarization functions is a first
principles means to model optical properties of materials including excitonic effects. One …

Singlet fission (SF), the conversion of one singlet exciton into two triplet excitons, could
significantly enhance solar cell efficiency. Molecular crystals that undergo SF are scarce …

When considering the optimal molecular packing to realize charge multiplication in organic
photovoltaic materials, subtle changes in intermolecular charge transfer (CT) coupling can …

Semiconductors composed of organic molecules are promising as components for flexible
and inexpensive optoelectronic devices, with many recent studies aimed at understanding …