In 1905, Albert Einstein showed that the photoelectric effect—the ability of metals to produce an electric current when exposed to light—could be explained if light is quantum, ...

The photoelectric effect, first explained in 1905, transformed our understanding of how light interacts with matter. When high-energy light hits atoms, it knocks electrons loose. This process powers ...

Although the photoelectric effect in molecules has been studied extensively in the meantime, it has not yet been possible to determine its evolution over time in an experimental measurement.

I took a deep dive into the photoelectric effect — where light hits a surface and kicks electrons out. It’s simple, ...

The photoelectric effect is a phenomenon where light knocks electrons out of a material, resulting in the emission of these electrons, called photoelectrons. Albert Einstein explained the ...

In the photoelectric effect, a photon ejects an electron from a material. Researchers have now used attosecond laser pulses to measure the time evolution of this effect in molecules. From their ...

When light hits a material, electrons can be released from this material – the photoelectric effect. Although this effect played a major role in the development of the quantum theory, it still ...

As the photoelectric effect occurs so fast, physicists used to think the emission time is too short for them to measure with any precision. But thanks to the development of shorter and shorter laser ...

When light strikes the photodiode’s active region, current flows from cathode to anode. Ideally, this entire photocurrent ...

Solar enthusiasts should understand two closely related phenomena -- the photoelectric effect and the photovoltaic effect -- to grasp how solar panels generate electricity, Rohit Kalyanpur, CEO of ...

But while there is still no quantum theory of gravity, the challenge of detecting its signatures now looks a little more manageable thanks to a proposed experiment that takes inspiration from the ...