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quantum efficiency

British  

noun

  1. physics the number of electrons released by a photocell per photon of incident radiation of a given energy

  2. chem the number of chemical species that undergo reaction per photon of absorbed radiation of a given energy

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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The research team has already achieved a peak external quantum efficiency greater than 0.6% for their NIR-II LEDs, an impressive result for an early generation device.

From Science Daily ● May 18, 2026

In early tests, the researchers achieved a peak external quantum efficiency above 0.6% for their NIR-II LEDs.

From Science Daily ● Dec. 5, 2025

The researchers tested the photovoltaic performance of the device under 1 sun of illumination with a solar simulator and measured its quantum efficiency.

From Science Daily ● Apr. 8, 2024

Subsequent optical experiments revealed that the blue- and green-emitting supramolecular ink compounds exhibit what scientists call near-unity quantum efficiency.

From Science Daily ● Jan. 22, 2024

PHOLEDs have nearly 100% internal quantum efficiency, meaning all of the electricity entering the device is used to create light.

From Science Daily ● Dec. 21, 2023

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