Photon-enhanced thermionic emission is a method of solar-energy conversion that promises to combine photon and thermal processes into a single mechanism, overcoming fundamental limits on the ...

(Nanowerk Spotlight) Heat energy can be converted into electricity with very high efficiency through a temperature-induced electron flow process known as thermionic emission. The basic operating ...

1904: British engineer John Ambrose Fleming invents and patents the thermionic valve, the first vacuum tube. With this advance, the age of modern wireless electronics is born. The principle of ...

Typically, if you want to convert solar energy into electrical energy, you use either photovoltaic (PV) cells, or you use the sunlight to create steam to turn a turbine. Both of these methods are well ...

Finding alternative optoelectronic mechanisms that overcome the limitations of conventional semiconductor devices is paramount for detecting and harvesting low-energy photons. A highly promising ...

A Spanish-Italian research group has developed a solid-state thermal-to-electric energy converter based on hybrid thermionic-photovoltaics (TIPV) for different applications. It consists of a ...

Typically, if you want to convert solar energy into electrical energy, you use either photovoltaic (PV) cells, or you use the sunlight to create steam to turn a turbine. Both of these methods are well ...

Researchers discover a new theory that paves the way for the design of better graphene electronics and energy converters. When a metal is heated to a sufficiently high temperature, electrons can be ...

New thermionic generator overcomes the 'space-charge problem'. (Courtesy: J Mannhart/MPG) A new type of thermionic generator that turns heat or light into electrical energy has been developed by ...

During the experiments, Jiang et al precisely delivered laser packages with a pulse duration of 5 nanoseconds, and a pulse energy of up to 600 mJ to carbonaceous supports to generate an obvious plasma ...