excitation potential

简明释义

1. 激发电势; 2. 激发电位;

英英释义

例句

1.Researchers are studying the excitation potential of various materials to improve their photovoltaic efficiency.

研究人员正在研究各种材料的激发势能以提高其光伏效率。

2.Understanding the excitation potential helps in designing better lasers and other optical devices.

理解激发势能有助于设计更好的激光器和其他光学设备。

3.The laser's energy level is determined by its excitation potential, which refers to the minimum energy required to excite an electron.

激光的能量水平由其激发势能决定，指的是激发电子所需的最小能量。

4.The excitation potential of a molecule can be measured using spectroscopic techniques.

分子的激发势能可以通过光谱技术进行测量。

5.In quantum mechanics, the excitation potential plays a crucial role in understanding how atoms absorb and emit light.

在量子力学中，激发势能在理解原子如何吸收和发射光方面起着至关重要的作用。

作文

In the realm of physics and chemistry, understanding the concept of excitation potential is crucial for grasping how atoms and molecules interact with energy. Excitation potential refers to the minimum amount of energy required to excite an electron from its ground state to a higher energy level within an atom or molecule. This phenomenon plays a significant role in various processes, including spectroscopy, chemical reactions, and even the development of new materials.To illustrate the importance of excitation potential, let us consider the process of atomic emission. When an atom absorbs energy, its electrons can jump to higher energy levels, thus becoming excited. The energy absorbed must meet or exceed the excitation potential of the electron in question. If the energy is insufficient, the electron will remain in its ground state, and no emission will occur. Once the electron returns to its original state, it releases energy in the form of light. This principle is fundamental in spectroscopy, where scientists analyze the emitted light to determine the composition and properties of substances.Moreover, excitation potential is also pivotal in understanding chemical reactions. During a reaction, reactants must overcome a certain energy barrier, which is often related to the excitation potential of the molecules involved. If the energy provided by the reactants is lower than the excitation potential, the reaction will not proceed. This concept is essential in catalysis, as catalysts can lower the energy barrier, allowing reactions to occur more readily.The significance of excitation potential extends beyond theoretical applications; it is also vital in practical settings. For instance, in the field of photovoltaics, understanding the excitation potential of semiconductor materials is key to enhancing their efficiency in converting sunlight into electricity. By optimizing the excitation potential, researchers can develop materials that better absorb sunlight and convert it into usable energy.Furthermore, the study of excitation potential has implications for medical technology. In techniques such as fluorescence microscopy, the excitation potential of fluorescent dyes is critical for visualizing biological specimens. By selecting dyes with appropriate excitation potential, scientists can illuminate specific structures within cells, leading to advancements in cellular biology and medical research.In conclusion, the concept of excitation potential is a fundamental aspect of understanding energy interactions in atomic and molecular systems. Its implications span across various fields, from spectroscopy and chemical reactions to material science and medical technology. By comprehending the nuances of excitation potential, researchers can unlock new possibilities and enhance our understanding of the natural world. As we continue to explore these concepts, the knowledge gained will undoubtedly contribute to advancements in science and technology, ultimately benefiting society as a whole.

在物理和化学领域，理解激发势能的概念对于掌握原子和分子如何与能量相互作用至关重要。激发势能指的是将电子从基态激发到原子或分子的更高能级所需的最小能量。这种现象在各种过程中发挥着重要作用，包括光谱学、化学反应，甚至新材料的开发。为了说明激发势能的重要性，让我们考虑原子发射的过程。当一个原子吸收能量时，其电子可以跃迁到更高的能级，从而变得激发。所吸收的能量必须达到或超过该电子的激发势能。如果能量不足，电子将保持在其基态，并且不会发生发射。一旦电子返回到原来的状态，它会以光的形式释放能量。这一原理在光谱学中是基础，科学家分析发射的光以确定物质的成分和性质。此外，激发势能在理解化学反应中也至关重要。在反应过程中，反应物必须克服一定的能量障碍，这通常与参与分子的激发势能有关。如果反应物提供的能量低于激发势能，反应将无法进行。这个概念在催化中至关重要，因为催化剂可以降低能量障碍，使反应更容易发生。激发势能的重要性不仅限于理论应用；它在实际环境中也至关重要。例如，在光伏领域，理解半导体材料的激发势能对于提高其将阳光转化为电能的效率至关重要。通过优化激发势能，研究人员可以开发出更好地吸收阳光并将其转化为可用能量的材料。此外，激发势能的研究对医疗技术也有影响。在荧光显微镜等技术中，荧光染料的激发势能对于可视化生物样本至关重要。通过选择具有适当激发势能的染料，科学家可以照亮细胞内的特定结构，从而推动细胞生物学和医学研究的进展。总之，激发势能的概念是理解原子和分子系统中能量相互作用的基本方面。其影响跨越多个领域，从光谱学和化学反应到材料科学和医疗技术。通过理解激发势能的细微差别，研究人员可以解锁新的可能性，并增强我们对自然世界的理解。随着我们继续探索这些概念，获得的知识无疑将促进科学和技术的进步，最终使整个社会受益。