出典:Wiktionary
出典:『Wiktionary』 (2026/02/01 00:47 UTC 版)
From phosphorescent. Morphologically phosphoresce + -ence.
phosphorescence (countable and uncountable, plural phosphorescences)
出典:Wikipedia
出典:『Wikipedia』 (2011/05/13 20:22 UTC 版)
Phosphorescence is a specific type of photoluminescence related to fluorescence. Unlike fluorescence, a phosphorescent material does not immediately re-emit the radiation it absorbs. The slower time scales of the re-emission are associated with "forbidden" energy state transitions in quantum mechanics. As these transitions occur very slowly in certain materials, absorbed radiation may be re-emitted at a lower intensity for up to several hours after the original excitation.