excitation luminescence

简明释义

激励发光

英英释义

例句

1.In this experiment, we measured the excitation luminescence 激发光致发光 of various phosphors under UV light.

在这个实验中，我们测量了不同磷光体在紫外光下的excitation luminescence 激发光致发光。

2.Researchers are investigating the excitation luminescence 激发光致发光 properties of nanomaterials for better sensor applications.

研究人员正在调查纳米材料的excitation luminescence 激发光致发光特性，以便更好地应用于传感器。

3.The study of excitation luminescence 激发光致发光 is crucial for developing new materials in optoelectronics.

对excitation luminescence 激发光致发光的研究对于开发新型光电子材料至关重要。

4.The excitation luminescence 激发光致发光 spectrum provides insights into the electronic transitions of the material.

excitation luminescence 激发光致发光光谱提供了材料电子跃迁的见解。

5.Understanding excitation luminescence 激发光致发光 helps in improving the efficiency of LED technologies.

理解excitation luminescence 激发光致发光有助于提高LED技术的效率。

作文

The phenomenon of excitation luminescence is a fascinating aspect of physics and materials science that plays a crucial role in various applications, from lighting to biomedical imaging. To understand this concept better, we first need to break down the term itself. 'Excitation' refers to the process of adding energy to an electron within an atom or molecule, causing it to move to a higher energy level. When the electron eventually returns to its original state, it releases energy in the form of light, which is what we observe as luminescence. This entire process can be observed in many natural and artificial systems, making excitation luminescence a key area of study.In practical terms, one of the most common examples of excitation luminescence can be seen in fluorescent lights. These lights operate by passing an electric current through a gas, exciting the gas particles and causing them to emit ultraviolet light. This ultraviolet light then excites a phosphor coating on the inside of the bulb, which in turn emits visible light. The efficiency and brightness of fluorescent lights are largely due to the principles of excitation luminescence, showcasing how this phenomenon can be harnessed for everyday use.Another significant application of excitation luminescence is found in the field of biochemistry and medical diagnostics. Researchers often use luminescent markers that rely on this principle to visualize biological processes. For instance, certain proteins can be tagged with luminescent dyes that emit light when excited by a specific wavelength. This allows scientists to track cellular activities in real-time, providing invaluable insights into complex biological systems.Moreover, excitation luminescence is not limited to artificial systems; it also occurs naturally. Many organisms, such as fireflies and certain species of jellyfish, exhibit bioluminescence, which is a form of luminescence resulting from biochemical reactions. In these cases, the energy required for luminescence comes from chemical reactions rather than external excitation. Understanding how these organisms produce light through excitation luminescence has inspired numerous studies in biotechnology and synthetic biology.In conclusion, excitation luminescence is a multifaceted phenomenon with wide-ranging implications across various fields. From enhancing our understanding of biological processes to improving lighting technology, the principles behind excitation luminescence continue to drive innovation and discovery. As research progresses, we can expect to uncover even more applications and deepen our understanding of this captivating subject. The study of excitation luminescence not only enriches our knowledge of physics and chemistry but also opens doors to new technologies that can improve our quality of life.

“激发光致发光”现象是物理学和材料科学中的一个迷人方面，在从照明到生物医学成像的各种应用中都发挥着至关重要的作用。要更好地理解这个概念，我们首先需要拆分这个术语本身。“激发”指的是向原子或分子内的电子添加能量的过程，导致其移动到更高的能级。当电子最终返回到其原始状态时，它会以光的形式释放能量，这就是我们观察到的发光。这整个过程可以在许多自然和人工系统中观察到，使得“激发光致发光”成为一个关键的研究领域。在实际应用中，“激发光致发光”的最常见示例之一可以在荧光灯中看到。这些灯通过在气体中通过电流来工作，激发气体粒子并使其发出紫外光。这种紫外光随后激发灯泡内部的磷光涂层，进而发出可见光。荧光灯的效率和亮度在很大程度上归功于“激发光致发光”的原理，展示了这一现象如何被用于日常使用。“激发光致发光”在生物化学和医疗诊断领域也有重要应用。研究人员经常使用依赖于这一原理的发光标记来可视化生物过程。例如，某些蛋白质可以用发光染料标记，当被特定波长激发时会发出光。这使得科学家能够实时追踪细胞活动，为复杂生物系统提供宝贵的见解。此外，“激发光致发光”不仅限于人工系统；它也在自然界中发生。许多生物体，如萤火虫和某些水母，表现出生物发光，这是由生化反应产生的一种发光形式。在这些情况下，发光所需的能量来自化学反应，而不是外部激发。理解这些生物体如何通过“激发光致发光”产生光，激发了生物技术和合成生物学的众多研究。总之，“激发光致发光”是一个多方面的现象，在各个领域具有广泛的影响。从增强我们对生物过程的理解到改善照明技术，“激发光致发光”背后的原理继续推动创新和发现。随着研究的进展，我们可以期待揭示更多应用，并加深对这一迷人主题的理解。对“激发光致发光”的研究不仅丰富了我们对物理学和化学的知识，也为改善我们的生活质量打开了新技术的大门。