In this Review, we showcase the fundamental processes of intermolecular and
intramolecular singlet fission (SF). Furthermore we prioritize the information, which is …

The conversion of near-infrared photons to visible light through triplet–triplet annihilation
upconversion offers an enticing strategy for significantly boosting the efficiency of …

Triplet–triplet annihilation upconversion (TTA-UC) is an unconventional photophysical
process that yields high-energy photons from low-energy incident light and offers pathways …

How can the photoexcitation dynamics processes of solid substances be measured at the
microscopic level? This is a popular topic in many fields of basic and applied sciences …

Singlet fission is detrimental to NIR-to-vis photon upconversion in the solid rubrene (Rub)
films, as it diminishes photoluminescence efficiency. Previous studies have shown that …

Femtosecond fluorescence up-conversion and transient absorption pump-probe setups are
applied to study the relaxation dynamics of the lower and upper excited singlet electronic …

A multimode Brownian oscillator model is employed to investigate absorption line shapes of
rubrene in solutions and thin films. Excellent agreement has been obtained between …

Dipyrrolonaphthyridinedione (DPND) thin films exhibit interesting photophysical properties
and singlet fission (SF) processes. A recent experimental work found that the alkyl …

In this study, exciton dynamics and singlet fission (SF) in amorphous rubrene thin films with
various thicknesses from 5 to 100 nm were investigated. No clear X-ray diffraction peaks …

The potential to improve the efficiency of photovoltaic devices through singlet exciton fission
(SF) has raised interest of researchers during the last decade. Organic small molecules of …