photoluminescence

American  

[foh-tuh-loo-muh-nes-uhns] / ˌfoʊ təˌlu məˈnɛs əns /

noun

Physics.

1. luminescence induced by the absorption of infrared radiation, visible light, or ultraviolet radiation.

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photoluminescence British  

/ ˌfəʊtəʊˌluːmɪˈnɛsəns /

noun

1. luminescence resulting from the absorption of light or infrared or ultraviolet radiation

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Other Word Forms

• photoluminescent adjective

Etymology

Origin of photoluminescence

First recorded in 1885–90; photo- + luminescence

Example Sentences

To understand how the cavities affect light emission, the team measured photoluminescence from WS2 under laser excitation while varying the cavity depth.

From Science Daily • Mar. 24, 2026

Using photoluminescence, the spectrum of the light emitted by the solar cell after excitation by a laser has been studied as a means to understanding how well the solar cell takes care of electrons internally.

From Science Daily • Feb. 26, 2024

It consists of a high-precision, short-wave infrared imaging technique capable of capturing the photoluminescence lifetimes of rare-earth doped nanoparticles in the micro- to millisecond range.

From Science Daily • Jan. 30, 2024

However, the long photoluminescence lifetimes of rare-earth doped nanoparticles in the infrared spectrum, from hundreds of microseconds to several milliseconds, restrict the excitation's repetition rate.

From Science Daily • Jan. 30, 2024

To date, the most common technique for measuring the photoluminescence lifetime of rare-earth doped nanoparticles has involved counting time-correlated single photons.

From Science Daily • Jan. 30, 2024