V2EX photoelectricity

Photoelectricity

定义 Definition

光电现象;光电效应相关的电学现象:指材料在光照下产生电荷分离与电流、或释放电子等现象(最常见指光电效应及其产生的电流/电压)。

发音 Pronunciation (IPA)

/fotolktrsti/

例句 Examples

Sunlight can generate photoelectricity in a solar cell.
阳光可以在太阳能电池中产生光电效应电能。

The experiment showed that photoelectricity depends on the light’s frequency rather than its intensity, supporting the quantum theory of light.
实验表明,光电现象取决于光的频率而非强度,这支持了光的量子理论。

词源 Etymology

由 **photo-**(“光”,来自希腊语 *phōs/phōt-*)+ electricity(“电”,源自希腊语 ēlektron,意为“琥珀”,古人观察到摩擦琥珀会产生静电)组合而成,字面义即“由光引起的电学现象”。

相关词 Related Words

文学与经典著作 Literary Works

  • Albert Einstein, “On a Heuristic Viewpoint Concerning the Production and Transformation of Light”(1905):讨论光量子并解释光电效应,是光电现象研究的经典文本。
  • Robert A. Millikan, “A Direct Photoelectric Determination of Planck’s ‘h’”(1916):通过光电实验精确测定普朗克常数,文中涉及光电现象/光电效应的核心论证。
  • 多部物理学经典教材(如大学普通物理与近代物理教材)在讲授“光电效应/光电现象”章节中高频使用该词。
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