The exciton, an excited electron–hole pair bound by Coulomb attraction, plays a key role in
photophysics of organic molecules and drives practically important phenomena such as …

The electronic excited states of molecular aggregates and their photophysical signatures
have long fascinated spectroscopists and theoreticians alike since the advent of Frenkel …

Luminescent small, all‐organic molecules are of tremendous interest in materials and life
science applications. Nevertheless, targeted design requires a basic understanding of the …

The past 20 years have witnessed a renaissance of dye chemistry, moving from traditional
colorant research toward functional materials. Different from traditional colorant research …

Understanding the photophysics and photochemistry of molecular π-stacked chromophores
is important for utilizing them as functional photonic materials. However, these investigations …

Organic (opto) electronic materials have received considerable attention due to their
applications in thin-film-transistors, light-emitting diodes, solar cells, sensors, photorefractive …

Coherence phenomena arise from interference, or the addition, of wave-like amplitudes with
fixed phase differences. Although coherence has been shown to yield transformative ways …

The field of organic photovoltaics has developed rapidly over the last 2 decades, and small
solar cells with power conversion efficiencies of 13% have been demonstrated. Light …

Easily processed materials with the ability to transport excitons over length scales of more
than 100 nanometers are highly desirable for a range of light-harvesting and optoelectronic …

The transport of excitation energy in molecular aggregates is of crucial importance for the
function of organic optoelectronic devices and next‐generation solar cells. First, this review …