Metamaterials, as artificially structured materials composed of subwavelength arrays of
resonant unit cells, can exhibit exotic properties beyond those accessible to natural …

The field of plasmonics has become one of the most interesting and active research areas in
nanotechnology, enabling numerous fundamental studies and applications in a variety of …

Hydrogen gas is rapidly approaching a global breakthrough as a carbon-free energy vector.
In such a hydrogen economy, safety sensors for hydrogen leak detection will be an …

Hydrogen–air mixtures are highly flammable. Hydrogen sensors are therefore of paramount
importance for timely leak detection during handling. However, existing solutions do not …

Metallic nanostructures possess plasmonic resonances that spatially confine light on the
nanometre scale. In the ultimate limit of a single nanostructure, the electromagnetic field can …

Self‐assembly of colloidal microspheres or nanospheres is an effective strategy for
fabrication of ordered nanostructures. By combination of colloidal self‐assembly with …

In the field of nanophotonics, metasurfaces have come to the forefront in real‐world
applications, owing to their accessible exotic optical properties that can be readily designed …

Localized surface plasmon resonances (LSPR) are collective electronic excitations in
metallic nanoparticles. The LSPR spectral peak position, as a function of nanoparticle size …

We report on the experimental realization of a palladium-based plasmonic perfect absorber
at visible wavelengths and its application to hydrogen sensing. Our design exhibits a …

The plasmonic properties of arrays of supported Al nanodisks, fabricated by hole− mask
colloidal lithography (HCL), are analyzed for the disk diameter range 61–492 nm at a …