The photoexcitation life cycle from incident photon (and creation of photoexcited electron–
hole pair) to ultimate extraction of electrical current is a complex multiphysics process …

Graphene and other two-dimensional materials, such as transition metal dichalcogenides,
have rapidly established themselves as intriguing building blocks for optoelectronic …

We present the science and technology roadmap for graphene, related two-dimensional
crystals, and hybrid systems, targeting an evolution in technology, that might lead to impacts …

Hot charge carriers in graphene exhibit fascinating physical phenomena, whose
understanding has improved greatly over the past decade. They have distinctly different …

Generic interacting many-body quantum systems are believed to behave as classical fluids
on long time and length scales. Due to rapid progress in growing exceptionally pure crystals …

The hot electrons in carbon-based materials exhibit interesting ballistic transport behaviors
for designing high-performance single-electron transistors. However, the cooling of such hot …

The last few years have seen an explosion of interest in hydrodynamic effects in interacting
electron systems in ultra-pure materials. One such material, graphene, is not only an …

Optical-to-electrical conversion in graphene is a central phenomenon for realizing
anticipated ultrafast and low-power-consumption information technologies. However …

Interactions between particles in quantum many-body systems can lead to collective
behavior described by hydrodynamics. One such system is the electron-hole plasma in …

The conversion of light into free electron–hole pairs constitutes the key process in the fields
of photodetection and photovoltaics. The efficiency of this process depends on the …