Two-dimensional electronic spectroscopy (2DES) is a popular technique that can track
ultrafast coherent and incoherent processes in real time. Since its development in the late …

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 …

Optically active molecular materials, such as organic conjugated polymers and biological
systems, are characterized by strong coupling between electronic and vibrational degrees of …

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 …

Over the past few decades, coherent broadband spectroscopy has been widely used to
improve our understanding of ultrafast processes (eg, photoinduced electron transfer, proton …

Recent advances and the current status of challenging light-harvesting nanomaterials, such
as semiconducting quantum dots (QDs), metal nanoparticles, semiconductor–metal …

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 optoelectronic properties of macromolecular semiconductors depend fundamentally on
their solid-state microstructure. For example, the molecular-weight distribution influences …

Aggregates of conjugated polymers exhibit two classes of fundamental electronic
interactions: those occurring within a given chain and those occurring between chains. The …