photoluminescence

photoluminescence读音音标

英 [fəʊtəʊlju:mɪ\'nesns]

美 [ˌfoʊtəˌlumə\'nesns]

photoluminescence意思解释

n.

光致发光，光激发光；

英英释义

Photoluminescence (abbreviated as PL) describes the phenomenon of light emission from any form of matter after the absorption of photons (electromagnetic radiation). It is one of many forms of luminescence (light emission) and is initiated by photoexcitation (excitation by photons), hence the prefix photo-.

双语例句

用作名词(n.)Photoluminescence that persists for an extremely short time after excitation.受激后持续时间很短的光致发光。The process of photoluminescence refers to the radioative recombination of electronhole pairs generated by shining high energy light on a crystal.光致发光过程就是高能量光子照射到晶体上之后，晶体所产生的电子一空穴对的辐射复合过程。