V2EX vibronic coupling

Vibronic Coupling

Definition / 定义

vibronic coupling(振电耦合):指分子中的振动运动(vibrational)与电子运动(electronic)之间的相互作用。这种耦合会影响分子的吸收/发射光谱形状、跃迁强度以及能量转移过程(在光化学、发光材料与分子光谱学中很常见)。该术语也常与 FranckCondon 因子、JahnTeller 效应等概念一起出现。

Pronunciation / 发音

/vabrnk kpl/

Examples / 例句

Vibronic coupling can make an electronic spectrum show clear vibrational bands.
振电耦合会让电子光谱中出现清晰的振动带结构。

In many organic molecules, strong vibronic coupling influences fluorescence intensity and the shape of absorption peaks.
在许多有机分子中,较强的振电耦合会影响荧光强度以及吸收峰的形状。

Etymology / 词源

vibronic 是由 vibrational(振动的)electronic(电子的) 合成的科学用词,用来强调“振动电子”两类自由度的联动;coupling 表示“耦合/相互作用”。整体字面意思就是“动与电子的耦合”。

Related Words / 相关词

Literary Works / 文学作品

  • Molecular Spectra and Molecular Structure(Gerhard Herzberg)分子光谱学经典著作,涉及电子-振动结构与相关耦合思想
  • Modern Spectroscopy(J. Michael Hollas)讲解分子光谱中振动带与电子跃迁的关系(常与振电耦合一起讨论)
  • Molecular Quantum Mechanics(Atkins & Friedman)量子化学教材中讨论电子态与核(振动)自由度耦合、非绝热效应
  • Principles of Fluorescence Spectroscopy(Joseph R. Lakowicz)在荧光与分子跃迁的背景下常提到振动结构与相关耦合影响
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