adsorption band

简明释义

1. 吸附带; 2. 吸附波段;

英英释义

An adsorption band refers to a specific range of wavelengths in the spectrum of light that corresponds to the energy levels associated with the adsorption of molecules onto a surface.

吸附带指的是光谱中与分子在表面上吸附相关的能级对应的特定波长范围。

例句

1.The adsorption band 吸附带 observed in the infrared spectrum indicates the presence of specific functional groups.

在红外光谱中观察到的adsorption band 吸附带表明存在特定的功能团。

2.The shift in the adsorption band 吸附带 suggests changes in the chemical environment of the molecules.

adsorption band 吸附带的偏移表明分子化学环境的变化。

3.By examining the adsorption band 吸附带, scientists can infer the binding energy of the adsorbate.

通过检查adsorption band 吸附带,科学家可以推断吸附物的结合能。

4.Researchers analyzed the adsorption band 吸附带 to determine the surface properties of the catalyst.

研究人员分析了adsorption band 吸附带以确定催化剂的表面特性。

5.The intensity of the adsorption band 吸附带 correlates with the concentration of the adsorbed species.

adsorption band 吸附带的强度与吸附物种的浓度相关。

作文

The study of molecular interactions is a crucial aspect of chemistry and materials science. One important concept in this field is the adsorption band, which refers to a specific range of wavelengths where molecules can absorb light due to their interaction with a surface. Understanding the adsorption band is essential for various applications, including catalysis, sensor technology, and environmental monitoring.When a molecule approaches a surface, it can undergo a process called adsorption, where it adheres to the surface without entering the bulk of the material. This process is influenced by various factors, such as temperature, pressure, and the nature of the surface itself. As molecules adsorb onto a surface, they may change their electronic states, leading to the formation of an adsorption band in the spectrum of light they absorb.The adsorption band is typically observed in infrared spectroscopy, where it appears as a peak or a series of peaks in the absorption spectrum. These peaks correspond to specific vibrational modes of the adsorbed molecules, which are affected by their interactions with the surface. For example, when water molecules adsorb onto a metal oxide surface, the adsorption band can provide insights into the bonding environment and the orientation of the water molecules.In practical terms, identifying and analyzing the adsorption band can help scientists understand how different materials interact with gases or liquids. This knowledge is particularly valuable in the development of catalysts, where optimizing the adsorption properties can enhance reaction rates and selectivity. By tuning the adsorption band, researchers can design more efficient catalysts that facilitate chemical reactions at lower energy costs.Moreover, the adsorption band plays a significant role in sensor technology. Sensors often rely on the adsorption of target molecules onto a sensing surface, leading to measurable changes in the adsorption band. For instance, gas sensors can detect the presence of specific gases by monitoring shifts in their adsorption band, allowing for real-time monitoring of air quality or industrial emissions.Environmental monitoring also benefits from understanding the adsorption band. Pollutants can adhere to various surfaces, and their adsorption bands can be used to identify and quantify these substances in the environment. By employing techniques like surface-enhanced Raman spectroscopy (SERS), researchers can detect trace amounts of contaminants based on their unique adsorption bands.In conclusion, the concept of the adsorption band is integral to our understanding of molecular interactions at surfaces. Its implications span across various scientific disciplines, from catalysis to environmental science. By studying the adsorption band, researchers can gain valuable insights into how materials interact with their surroundings, ultimately leading to advancements in technology and sustainability. As we continue to explore the complexities of molecular behavior, the adsorption band will undoubtedly remain a focal point of investigation, providing a deeper understanding of the world around us.

分子相互作用的研究是化学和材料科学中的一个关键方面。在这个领域中,一个重要的概念是吸附带,它指的是分子由于与表面的相互作用而能够吸收光的特定波长范围。理解吸附带对于催化、传感器技术和环境监测等各种应用至关重要。当一个分子接近表面时,它可以经历一个称为吸附的过程,在这个过程中,它附着在表面上而不进入材料的体积。这个过程受到多种因素的影响,例如温度、压力和表面的性质。当分子吸附到表面时,它们可能会改变其电子状态,从而在它们吸收的光谱中形成吸附带吸附带通常在红外光谱中观察到,表现为吸收光谱中的一个峰或一系列峰。这些峰对应于吸附分子的特定振动模式,而这些模式受到它们与表面的相互作用的影响。例如,当水分子吸附到金属氧化物表面时,吸附带可以提供关于水分子的键合环境和取向的见解。在实际应用中,识别和分析吸附带可以帮助科学家理解不同材料如何与气体或液体相互作用。这一知识在催化剂的开发中尤其有价值,优化吸附特性可以提高反应速率和选择性。通过调整吸附带,研究人员可以设计出更高效的催化剂,从而以更低的能量成本促进化学反应。此外,吸附带在传感器技术中也发挥着重要作用。传感器通常依赖于目标分子在传感表面上的吸附,这会导致其吸附带的可测量变化。例如,气体传感器可以通过监测其吸附带的变化来检测特定气体的存在,从而实现对空气质量或工业排放的实时监测。环境监测也受益于对吸附带的理解。污染物可以附着在各种表面上,其吸附带可用于识别和量化环境中的这些物质。通过采用表面增强拉曼光谱(SERS)等技术,研究人员可以基于污染物独特的吸附带检测微量污染物。总之,吸附带的概念是我们理解表面分子相互作用的基础。它的影响跨越多个科学学科,从催化到环境科学。通过研究吸附带,研究人员可以深入了解材料如何与周围环境相互作用,最终推动技术和可持续性的进步。随着我们继续探索分子行为的复杂性,吸附带无疑将成为研究的重点,为我们提供对周围世界更深刻的理解。

相关单词

adsorption

adsorption详解:怎么读、什么意思、用法