The photophysical behavior of organic semiconductors is governed by their excitonic states.
In this review, I classify the three different exciton types (Frenkel singlet, Frenkel triplet, and …

Singlet fission is a photophysical process that has promise for increasing the efficiency of
solar cells. The dynamics depend on triplet spin states and can be influenced by external …

We report the simultaneous observation of geminate and nongeminate triplet-triplet
annihilation in a solution-processable small molecule TIPS-tetracene undergoing singlet …

Understanding of degradation mechanisms in polymer: fullerene bulk-heterojunctions on the
microscopic level aimed at improving their intrinsic stability is crucial for the breakthrough of …

We measure the dielectric confinement length scales of triplet excitons in organic
semiconductors by jointly measuring their microwave-domain electric and magnetic …

The role of intermolecular coupling and coherent electron-nuclear coupling in the
photophysics of the conjugated compound α-quaterthiophene (α-4T) has been investigated …

The spectra and kinetics of fluorescence decay of 1, 2-benzanthracene (1, 2-BA) molecular
clusters adsorbed in nanoporous borosilicate glasses were investigated. It has been shown …

In this dissertation we present studies of two Coulomb bound systems of very different
nature: triplet excitons which are neutral strongly bound states possesing a long lived spin …

The present work addressed the influence of spins on fundamental processes in organic
semiconductors. In most cases, the role of spins in the conversion of sun light into electricity …

We have adapted the model of two consecutive pairs to the study of the triplet-doublet (TD)
interaction in molecular crystals. We have applied this model to the modulation of the …