triplet lifetime

简明释义

三重态寿命

英英释义

例句

1.The experiment measured the triplet lifetime 三重态寿命 of various fluorescent dyes under different conditions.

实验测量了在不同条件下各种荧光染料的三重态寿命。

2.Researchers discovered that the triplet lifetime 三重态寿命 can be significantly increased by adding certain metal ions.

研究人员发现，通过添加某些金属离子，可以显著增加三重态寿命。

3.The study focused on the influence of temperature on the triplet lifetime 三重态寿命 of organic molecules.

这项研究集中在温度对有机分子三重态寿命的影响。

4.In photophysics, understanding the triplet lifetime 三重态寿命 is crucial for designing efficient solar cells.

在光物理学中，理解三重态寿命对设计高效太阳能电池至关重要。

5.A longer triplet lifetime 三重态寿命 can lead to better performance in phosphorescent materials.

更长的三重态寿命可以提高磷光材料的性能。

作文

The concept of triplet lifetime refers to the duration for which a triplet state exists before it transitions back to a singlet state or undergoes other processes. In the realm of photophysics, this term plays a crucial role in understanding the behavior of excited states in molecules. When a molecule absorbs energy, it can be excited to a higher energy state, which can lead to the formation of different electronic states, including singlet and triplet states. The triplet lifetime is particularly important because triplet states are generally longer-lived than singlet states, often lasting microseconds to milliseconds. This extended lifetime allows for various phenomena to occur, such as phosphorescence, where light is emitted after a delay following the excitation of the molecule.In many applications, especially in organic light-emitting diodes (OLEDs) and solar cells, the understanding of triplet lifetime can significantly influence the efficiency and performance of devices. For instance, in OLED technology, materials that can efficiently manage triplet states can improve the overall light emission and color purity of the display. By optimizing the triplet lifetime, engineers can design better materials that minimize energy losses and enhance device longevity.Moreover, the study of triplet lifetime is not limited to just practical applications; it also provides insight into fundamental chemical and physical processes. Researchers often investigate how different environmental factors, such as temperature and solvent polarity, affect the triplet lifetime. These studies help in elucidating the mechanisms behind energy transfer processes and the dynamics of molecular interactions.In addition, the measurement of triplet lifetime can be achieved through various spectroscopic techniques, such as time-resolved fluorescence spectroscopy. By analyzing the decay profiles of emitted light, scientists can determine the average lifetime of triplet states in different systems. This information can lead to advancements in material science, helping to develop new compounds with desirable properties for specific applications.In conclusion, the triplet lifetime is a fundamental concept in the study of excited states in molecules, with significant implications for both theoretical research and practical applications. Understanding this phenomenon allows scientists and engineers to harness the unique properties of triplet states, leading to innovations in technology and a deeper understanding of molecular behavior. As research continues to evolve, the importance of triplet lifetime will undoubtedly remain a key area of focus in the fields of chemistry, physics, and material science.

“三重态寿命”这一概念指的是三重态存在的持续时间，直到它转变回单重态或经历其他过程。在光物理学领域，这个术语在理解分子中激发态的行为时起着至关重要的作用。当一个分子吸收能量时，它可能会被激发到更高的能量状态，这可能导致形成不同的电子态，包括单重态和三重态。“三重态寿命”尤其重要，因为三重态通常比单重态寿命长，持续时间可达微秒到毫秒。这种延长的寿命允许各种现象发生，例如磷光，即在分子被激发后延迟发光。在许多应用中，特别是在有机发光二极管（OLED）和太阳能电池中，对“三重态寿命”的理解可以显著影响设备的效率和性能。例如，在OLED技术中，能够有效管理三重态的材料可以改善显示器的整体光发射和色彩纯度。通过优化“三重态寿命”，工程师可以设计出更好的材料，从而减少能量损失并增强设备的使用寿命。此外，“三重态寿命”的研究不仅限于实际应用；它还提供了对基本化学和物理过程的洞察。研究人员经常调查不同环境因素（如温度和溶剂极性）如何影响“三重态寿命”。这些研究有助于阐明能量转移过程的机制以及分子相互作用的动力学。此外，可以通过各种光谱技术（如时间分辨荧光光谱）来测量“三重态寿命”。通过分析发射光的衰减曲线，科学家可以确定不同系统中三重态的平均寿命。这些信息可以推动材料科学的发展，帮助开发具有特定应用所需特性的新的化合物。总之，“三重态寿命”是研究分子中激发态的基本概念，对理论研究和实际应用都有重要影响。理解这一现象使科学家和工程师能够利用三重态的独特性质，从而在技术上实现创新，并加深对分子行为的理解。随着研究的不断发展，“三重态寿命”的重要性无疑将继续成为化学、物理和材料科学领域的关键关注点。