vibronic

简明释义

英[vaɪˈbrɒnɪk]美[vaɪˈbrɑːnɪk]

adj. 电子振动的

英英释义

单词用法

同义词

反义词

例句

1.The vibronic features in the PL spectra are shown to associate with the stretching of the connection bonds between fluorene units.

而在实验中放射光谱所量测到的振动-电子能阶耦合经过计算证明是和两芴基间的单键震动模式有关。

2.The vibronic features in the PL spectra are shown to associate with the stretching of the connection bonds between fluorene units.

而在实验中放射光谱所量测到的振动-电子能阶耦合经过计算证明是和两芴基间的单键震动模式有关。

3.In spectroscopy, vibronic coupling can lead to complex spectra.

在光谱学中，振动电子耦合可能导致复杂的光谱。

4.A detailed analysis of vibronic states can provide insights into molecular dynamics.

对振动电子态的详细分析可以提供分子动态的洞察。

5.Researchers observed vibronic interactions in the excited states of organic compounds.

研究人员观察到有机化合物激发态中的振动电子相互作用。

6.The study of vibronic transitions helps us understand the electronic structure of molecules.

对振动电子跃迁的研究帮助我们理解分子的电子结构。

7.The vibronic effects are crucial for explaining the behavior of certain pigments under light.

对于解释某些颜料在光照下的行为，振动电子效应是至关重要的。

作文

In the realm of molecular physics and quantum chemistry, the term vibronic refers to the coupling between vibrational and electronic states of a molecule. This interaction is crucial for understanding various phenomena, including the absorption and emission of light by molecules. The study of vibronic transitions allows scientists to gain insights into the behavior of molecules in different environments, which can be essential for fields such as photochemistry, spectroscopy, and even material science.When a molecule absorbs a photon, it can transition to an excited electronic state. However, this transition is not solely dependent on electronic states; the vibrational modes of the molecule also play a significant role. The concept of vibronic coupling explains how these two aspects interact during the excitation process. For instance, when a molecule is excited, its nuclei may move to different positions, leading to changes in the vibrational states. This interplay between electronic and vibrational states is what makes vibronic transitions complex yet fascinating.Understanding vibronic interactions is particularly important in the context of fluorescence and phosphorescence. These are processes where a molecule absorbs energy and then re-emits it as light. The efficiency of these processes can be significantly influenced by vibronic coupling. In fluorescent materials, the rate at which a molecule returns to its ground state after being excited can be affected by the vibrational levels that are accessible. The more vibrational states that are coupled to the electronic state, the more pathways there are for the molecule to relax back to its ground state, which can enhance or quench the emitted light.Moreover, vibronic effects are also pivotal in understanding the color of materials. For example, the colors we perceive in dyes and pigments are often a result of vibronic interactions. When light interacts with these substances, specific wavelengths are absorbed due to vibronic transitions, while others are reflected, giving rise to the colors we see. This principle is not only applicable in chemistry but also extends to biological systems. Many biological molecules, such as chlorophyll, utilize vibronic transitions to efficiently capture light energy for photosynthesis.In summary, the term vibronic encapsulates a fundamental concept in molecular science that bridges the gap between vibrational and electronic states. Its implications reach far beyond theoretical discussions; they are integral to practical applications in technology, biology, and materials science. The exploration of vibronic phenomena continues to unveil new avenues for research and innovation, highlighting the intricate dance between energy, matter, and light. As scientists delve deeper into this field, the understanding of vibronic interactions will undoubtedly lead to advancements in various technologies, including those related to energy conversion and electronic devices.

在分子物理学和量子化学领域，术语vibronic指的是分子的振动态和电子态之间的耦合。这种相互作用对于理解各种现象至关重要，包括分子对光的吸收和发射。对vibronic跃迁的研究使科学家能够深入了解分子在不同环境中的行为，这对于光化学、光谱学甚至材料科学等领域都是必不可少的。当一个分子吸收一个光子时，它可以转变为激发的电子态。然而，这种跃迁不仅仅依赖于电子态；分子的振动模式也发挥着重要作用。vibronic耦合的概念解释了在激发过程中这两个方面是如何相互作用的。例如，当一个分子被激发时，其原子核可能会移动到不同的位置，从而导致振动态的变化。这种电子态和振动态之间的相互作用使得vibronic跃迁变得复杂而迷人。理解vibronic相互作用在荧光和磷光的背景下尤为重要。这些过程涉及到分子吸收能量然后重新发射为光。vibronic耦合可以显著影响这些过程的效率。在荧光材料中，分子在被激发后返回基态的速率可能受到可接入的振动能级的影响。与电子态耦合的振动态越多，分子回到基态的途径就越多，这可以增强或抑制发出的光。此外，vibronic效应在理解材料的颜色方面也至关重要。例如，我们在染料和颜料中所感知的颜色往往是vibronic相互作用的结果。当光与这些物质相互作用时，由于vibronic跃迁，特定波长的光被吸收，而其他波长的光被反射，从而产生我们所看到的颜色。这一原理不仅适用于化学，还扩展到生物系统。许多生物分子，如叶绿素，利用vibronic跃迁高效捕获光能进行光合作用。总之，术语vibronic概括了分子科学中的一个基本概念，桥接了振动态和电子态之间的差距。其影响远不止理论讨论；它们在技术、生物和材料科学的实际应用中是不可或缺的。对vibronic现象的探索不断揭示出新的研究和创新途径，突显了能量、物质和光之间错综复杂的关系。随着科学家们深入这一领域，对vibronic相互作用的理解无疑将推动包括能源转换和电子设备在内的各种技术的进步。