quantum dot

noun

: 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

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The key benefit here seems to be color vibrance: Unlike traditional systems that rely on white or blue backlights filtered through a quantum dot filter to create color, RGB Local Dimming Technology introduces independent red, green, and blue LEDs that generate pure colors directly at the source. Chris Welch, The Verge, 6 Jan. 2025 So Harry and his team are exploring the trade-offs and developing a lot of new cells that are much cheaper and lighter: Cells made with thin films of perovskites or semiconductors like gallium arsenide, cells that use quantum dots, or use waveguides or other optics to concentrate the light. IEEE Spectrum, 11 Apr. 2024 Tests unable to detect quantum dots in TCL TVs Earlier this month, South Korean IT news publication ETNews published a report on testing that seemingly showed three TCL quantum dot TVs, marketed as QD TVs, as not having quantum dots present. Scharon Harding, Ars Technica, 17 Sep. 2024 By 2013 the Pentagon had graduated to using quantum dots, dust-sized particles that sprayed by a drone at low altitude to tag an individual or vehicle. David Hambling, Forbes, 29 Nov. 2024 See all Example Sentences for quantum dot 

Word History

First Known Use

1985, in the meaning defined above

Time Traveler
The first known use of quantum dot was in 1985

Dictionary Entries Near quantum dot

Cite this Entry

“Quantum dot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quantum%20dot. Accessed 18 Jan. 2025.

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