Publication

Plasmonic sensor device, sensor system and sensing method

2026

Abstract

Plasmonic biosensor device comprising a first and second electrode, a charge carrier tunnelling junction for providing charge carriers for generating electroluminescent light emission, that is in electrical connection with the first and second electrodes for application of a voltage potential difference. the second electrode comprises or forms a plasmonic structure including a plurality of optical nanoantennas or a plurality of electrically interconnected optical nanoantennas configured to generate plasmons and light emission via the charge carriers provided by charge carrier tunneling in the charge carrier tunnelling junction. the plurality of optical nanoantennas extend thereon.

Official source

https://infoscience.epfl.ch/entities/publication/e574ee06-6ada-485a-b585-663cbd552ce5

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2026

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/e574ee06-6ada-485a-b585-663cbd552ce5

About this result

Related concepts (32)

Electroluminescence

Electroluminescence (EL) is an optical and electrical phenomenon, in which a material emits light in response to the passage of an electric current or to a strong electric field. This is distinct from black body light emission resulting from heat (incandescence), chemical reactions (chemiluminescence), reactions in a liquid (electrochemiluminescence), sound (sonoluminescence), or other mechanical action (mechanoluminescence). Electroluminescence is the result of radiative recombination of electrons & holes in a material, usually a semiconductor.

OLED

An organic light-emitting diode (OLED), also known as organic electroluminescent (organic EL) diode, is a light-emitting diode (LED) in which the emissive electroluminescent layer is a film of organic compound that emits light in response to an electric current. This organic layer is situated between two electrodes; typically, at least one of these electrodes is transparent. OLEDs are used to create digital displays in devices such as television screens, computer monitors, and portable systems such as smartphones and handheld game consoles.

Light-emitting diode

A light-emitting diode (LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons. The color of the light (corresponding to the energy of the photons) is determined by the energy required for electrons to cross the band gap of the semiconductor. White light is obtained by using multiple semiconductors or a layer of light-emitting phosphor on the semiconductor device.

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Plasmonic sensor device, sensor system and sensing method

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