photoelectron

noun

pho·​to·​elec·​tron ˌfō-tō-i-ˈlek-ˌträn 

: an electron released in photoemission

photoelectronic

ˌfō-tō-i-ˌlek-ˈträ-nik 

adjective

Examples of photoelectron in a Sentence

Recent Examples on the Web

The researchers examined its composition and formation using techniques including X-ray photoelectron spectroscopy, time-of-flight secondary ion mass spectrometry and transmission electron microscopy. — Atharva Gosavi, Interesting Engineering, 22 Sep. 2026

The surface analysis made using X-ray photoelectron spectroscopy revealed traces of copper corrosion tightly bonded with the residue. — Pranjal Malewar, New Atlas, 10 Aug. 2025

For example, a photoelectron spectrometer detects how many electrons were removed from the atom by the probe pulse, or a photon spectrometer measures how much of the probe pulse was absorbed by the atom. — Niranjan Shivaram, The Conversation, 4 Oct. 2023

The rest of the photon’s energy is transferred to the now free-roaming negative charge, called a photoelectron. — Everyday Einstein Sabrina Stierwalt, Scientific American, 18 Aug. 2015

Word History

Etymology

International Scientific Vocabulary

First Known Use

1912, in the meaning defined above

Rhymes for photoelectron

• electron

Medical Definition

photoelectron

noun

pho·​to·​elec·​tron ˌfōt-ō-i-ˈlek-ˌträn 

: an electron released in photoemission

photoelectronic

-ˌlek-ˈträn-ik 

adjective