V2EX photoluminescence

Photoluminescence

释义 Definition

光致发光:材料吸收光(通常为紫外或可见光)后,电子被激发到高能态,随后在返回较低能态时以发射光子的形式释放能量,从而产生发光的现象。(常见类型包括荧光磷光;该词在科研语境中也可指相应的发光谱或测量现象。)

发音 Pronunciation (IPA)

/fotolumns()ns/

例句 Examples

Photoluminescence makes some minerals glow under UV light.
光致发光会让某些矿物在紫外光照射下发出荧光。

The team used photoluminescence spectroscopy to evaluate defects and bandgap properties in the semiconductor film.
研究团队使用光致发光光谱来评估该半导体薄膜中的缺陷与带隙性质。

词源 Etymology

photoluminescence 由 **photo-**(“光”,源自希腊语 *phōs/phōt-*)+ luminescence(“发光”,与拉丁语 lumen “光”相关)构成,字面义为“由光引起的发光”。该词多用于物理、材料科学与化学等领域,用来描述“受光激发而发光”的现象。

相关词 Related Words

文学与著作 Literary Works

  • 《Principles of Fluorescence Spectroscopy》(Joseph R. Lakowicz):讨论荧光与相关发光机制时常涉及光致发光概念与测量方法。
  • 《Solid State Physics》(Charles Kittel):在固体的光学性质与能带相关章节中会谈到光激发导致的发光现象。
  • 《Optical Properties of Solids》(Mark Fox):介绍固体的吸收、激发与发射过程,光致发光是核心术语之一。
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