Common questions

What are plasmonic materials?

What are plasmonic materials?

A plasmonic material is a material that exploits surface plasmon resonance effects to achieve optical properties not seen in nature. A plasmonic material is a material that exploits surface plasmon resonance effects to achieve optical properties not seen in nature.

What is plasmonic crystal?

A plasmonic metamaterial is a metamaterial that uses surface plasmons to achieve optical properties not seen in nature. Under specific conditions, the incident light couples with the surface plasmons to create self-sustaining, propagating electromagnetic waves known as surface plasmon polaritons (SPPs).

What is plasmonics?

Plasmonics or nanoplasmonics refers to the generation, detection, and manipulation of signals at optical frequencies along metal-dielectric interfaces in the nanometer scale.

What is active plasmonics?

Active plasmonics is a burgeoning and challenging subfield of plasmonics. It exploits the active control of surface plasmon resonance. The flourishing development of active plasmonic structures opens access to new application fields.

What is the plasmonic effect?

The plasmonic effect is the interaction between free electrons in metal nano particles and incident light.

What are plasmonic properties?

Plasmonic nanoparticles – including gold, silver and platinum particles – are discrete metallic particles that have unique optical properties due to their size and shape, and are increasingly being incorporated into commercial products and technologies.

What are plasmonic nanoparticles used for?

Plasmonic nanoparticles are extremely strong absorbers and scatters of light and are used in lateral flow diagnostics, surface enhanced spectroscopy, labeling, and color changing sensors.

What is Surface Plasmon theory?

The term surface plasmon is used both for polarization oscillation of metallic nanoparticles and for waves propagating along a plane interface and exponentially decaying away from the interface. Finally, from the point of view of solid-state physics, a plasmon is a collective excitation of electrons.

How are plasmonic nanoparticles made?

Plasmons can be excited by optical radiation and induce an electric current from hot electrons in materials fabricated from gold particles and light-sensitive molecules of porphin, of precise sizes and specific patterns. Compared to conventional photoexcitation, the material produced three to 10 times the current.

What is plasmonic photocatalysis?

Plasmonic photocatalysts, i.e., photocatalysts using plasmonic properties to gain activ- ity under visible-light (vis) irradiation, have been intensively studied in recent years for various possible applications, including environmental purification and energy conversion.

What is metamaterial made of?

Metamaterials are composite materials typically composed of arrays of small metallic resonators structured on the microscale or nanoscale (McPhedran, Shadrivov, Kuhlmey, & Kivshar, 2011; Walser, 2003).