quantum dot

noun

Definition of quantum dot

: a semiconductor nanocrystal exhibiting quantum mechanical effects that allow it to mimic the properties of an atom The quantum dot is a semiconducting (or metallic) region so tiny that it is essentially confined in all three dimensions; like an atom, it contains a finite number of charges and has discrete energy levels.— Barbara Goss Levi

Examples of quantum dot in a Sentence

Recent Examples on the Web

In these windows, quantum dots, which are tiny semiconductor particles, absorb light at UV and infrared frequencies and re-emit it at the wavelengths that traditional solar cells capture. — Robert F. Service, Science | AAAS, "Skyscrapers could soon generate their own power, thanks to see-through solar cells," 28 June 2018 There are some similarities here to Samsung's quantum dots implementation. — Samuel Axon, Ars Technica, "The best PCs, gadgets, and wearables of CES 2018," 12 Jan. 2018 The background noise from quantum dots outside the cell was quenched by administering a third substance, called an etchant. — Bradley J. Fikes, sandiegouniontribune.com, "Cancer imaging method produces clearer signals," 3 Sep. 2017 Researchers used fluorescent nanoparticles called quantum dots to produce an infrared signal. — Bradley J. Fikes, sandiegouniontribune.com, "Cancer imaging method produces clearer signals," 3 Sep. 2017

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