V2EX photocatalyst

Photocatalyst

Definition|释义

光催化剂:在光(通常为紫外或可见光)照射下被激发,促使或加速化学反应进行、但自身不被永久消耗的催化材料。常用于污染物降解、空气/水净化、抗菌表面、制氢与光催化合成等领域。(也可泛指任何“由光驱动的催化体系”。)

Pronunciation|发音(IPA)

/fotoktlst/

Examples|例句

A photocatalyst can break down odors under light.
光催化剂在光照下可以分解异味。

Researchers coated the glass with a photocatalyst so that sunlight would trigger the decomposition of organic pollutants on the surface.
研究人员在玻璃上涂覆光催化剂,使阳光能够触发表面有机污染物的分解。

Etymology|词源

由 **photo-**(“光”,来自希腊语 *phōs/phōt-*,意为“光”)+ catalyst(“催化剂”,源自希腊语 katalysis,意为“分解、促成反应”)构成,字面意思是“由光驱动/在光下起作用的催化剂”。该词在材料科学与环境化学语境中使用尤为常见。

Related Words|相关词

Literary Works|作品与文献中的用例

  • Photocatalysis: Fundamentals and Applications(教材/专著领域常见术语)
  • Environmental Photochemistry(环境光化学相关专著中常出现)
  • Journal of Photochemistry and Photobiology A: Chemistry(期刊论文标题与摘要中高频出现)
  • Applied Catalysis B: Environmental(环境催化领域期刊中常见)
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