V2EX quantum dot

Quantum Dot

释义 Definition

量子点:一种尺寸在纳米级(通常几纳米到几十纳米)的半导体纳米晶体。由于量子限域效应,它的电子能级呈离散化,从而使其发光/吸收特性可随尺寸变化而可调(常见于显示、照明、生物成像、光伏等)。

发音 Pronunciation (IPA)

/kwn.tm dt/
/kwn.tm dt/

词源 Etymology

quantum 源自拉丁语 quantum(“多少、数量”),在物理学中指“能量的最小离散单位(量子)”;dot 指“点”。合起来的 quantum dot 字面是“量子层面的‘小点’”,强调其纳米尺寸导致的量子化性质。

例句 Examples

Quantum dots can emit different colors depending on their size.
量子点会随着尺寸不同而发出不同颜色的光。

Researchers used quantum dots to label cells, allowing long-term tracking under a microscope.
研究人员用量子点给细胞做标记,从而能在显微镜下进行长期追踪观察。

相关词 Related Words

文献与著作 Literary / Notable Works

  • Quantum Dot Heterostructures(Dieter Bimberg 等)
  • Quantum Dots(Lucjan Jacak, Pawel Hawrylak, Arkadiusz Wójs)
  • Nanotechnology: A Gentle Introduction to the Next Big Idea(Mark Ratner & Daniel Ratner)
  • Handbook of Semiconductor Nanostructures and Nanodevices(多作者,收录量子点相关章节)
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