Time-varying media have recently emerged as a new paradigm for wave manipulation, due
to the synergy between the discovery of highly nonlinear materials, such as epsilon-near …

The burgeoning development of ammonia (NH3) synthesis technology addresses the
urgency of food intake required to sustain the population growth of the last 100 years. To …

Here we present a roadmap on Photonic metasurfaces. This document consists of a number
of perspective articles on different applications, challenge areas or technologies underlying …

Ammonia (NH 3) is one of the most important commodity chemicals in today's chemical
industry. Industrially, ammonia is synthesized via the Haber-Bosch process at high …

During femtosecond laser fabrication, photons are mainly absorbed by electrons, and the
subsequent energy transfer from electrons to ions is of picosecond order. Hence, lattice …

Zinc oxide (ZnO) has a broad range of applications in piezo-photoelectrochemical water
splitting. However, the narrow light absorption range and high photogenerated carrier …

Nonlinear 2D layered crystals provide ideal platforms for applications and fundamental
studies in ultrathin nonlinear optical (NLO) devices. However, the NLO frequency conversion …

In the 60 years since the invention of the laser, the scientific community has developed
numerous fields of research based on these bright, coherent light sources, including the …

In emerging optoelectronic applications, such as water photolysis, exciton fission and novel
photovoltaics involving low-dimensional nanomaterials, hot-carrier relaxation and extraction …

van der Waals heterojunctions between two-dimensional (2D) layered materials and
nanomaterials of different dimensions present unique opportunities for gate-tunable …