metal cluster

简明释义

金属团簇

英英释义

例句

1.The stability of the metal cluster 金属簇 was tested under various environmental conditions.

该金属簇metal cluster的稳定性在不同环境条件下进行了测试。

2.Scientists discovered that the metal cluster 金属簇 could act as a good electron donor.

科学家发现该金属簇metal cluster可以作为良好的电子供体。

3.In nanotechnology, a metal cluster 金属簇 can be used to enhance the performance of solar cells.

在纳米技术中，金属簇metal cluster可以用来增强太阳能电池的性能。

4.The researchers synthesized a new metal cluster 金属簇 that showed promising catalytic properties.

研究人员合成了一种新的金属簇metal cluster，显示出有希望的催化特性。

5.The unique optical properties of the metal cluster 金属簇 make it suitable for sensors.

该金属簇metal cluster独特的光学特性使其适合用于传感器。

作文

In the realm of materials science, the term metal cluster refers to a small aggregate of metal atoms that are bonded together. These clusters can consist of just a few atoms or may contain several dozen, and they exhibit unique properties that differ significantly from those of bulk metals. The study of metal clusters is crucial for various applications, including catalysis, nanotechnology, and the development of new materials.One of the most fascinating aspects of metal clusters is their size-dependent properties. As the number of atoms in a cluster increases, the electronic structure and chemical reactivity can change dramatically. For example, small metal clusters may display enhanced catalytic activity compared to larger particles due to their high surface-to-volume ratio. This characteristic makes them particularly useful in catalytic converters, where they help convert harmful gases into less toxic emissions.Moreover, metal clusters can be synthesized with precision, allowing scientists to tailor their properties for specific applications. Techniques such as chemical vapor deposition and laser ablation are often employed to create these clusters in a controlled environment. Once synthesized, the clusters can be characterized using advanced techniques like scanning tunneling microscopy (STM) and transmission electron microscopy (TEM), which provide insights into their structure and behavior.The versatility of metal clusters extends beyond catalysis. In the field of nanotechnology, they serve as building blocks for more complex structures. Researchers are exploring how to incorporate metal clusters into nanocomposites, which can enhance the mechanical, electrical, and thermal properties of materials. For instance, embedding metal clusters within polymer matrices can lead to the development of lightweight and strong materials ideal for aerospace applications.Furthermore, metal clusters have potential applications in medicine. Their unique optical properties can be harnessed for imaging and therapy. Gold clusters, for example, have been studied for their ability to target cancer cells selectively, delivering drugs directly to tumors while minimizing side effects on healthy tissues. This targeted approach represents a significant advancement in cancer treatment, showcasing the promise of metal clusters in biomedical applications.Despite their numerous advantages, the research on metal clusters is still evolving. Scientists continue to investigate the fundamental principles governing their formation and stability, aiming to unlock even more potential uses. As our understanding deepens, we may find innovative ways to leverage metal clusters in various industries, from electronics to renewable energy.In conclusion, metal clusters are small aggregates of metal atoms that play a vital role in modern science and technology. Their unique properties make them invaluable in fields such as catalysis, nanotechnology, and medicine. As research progresses, the potential applications of metal clusters will likely expand, paving the way for new advancements that could benefit society as a whole.

在材料科学领域，术语金属簇指的是一小组相互结合的金属原子。这些簇可以由少量原子组成，也可以包含数十个原子，它们表现出与块状金属显著不同的独特性质。对金属簇的研究对于催化、纳米技术和新材料的开发等各种应用至关重要。金属簇最引人注目的一个方面是其尺寸相关的属性。随着簇中原子数量的增加，电子结构和化学反应性可能会发生显著变化。例如，小型金属簇由于其高表面与体积比，可能显示出比较大的颗粒更强的催化活性。这一特性使它们在催化转化器中尤其有用，帮助将有害气体转化为较少的毒性排放。此外，金属簇可以精确合成，使科学家能够根据特定应用量身定制其特性。化学气相沉积和激光烧蚀等技术通常用于在受控环境中创建这些簇。一旦合成，簇可以使用先进技术如扫描隧道显微镜（STM）和透射电子显微镜（TEM）进行表征，这些技术提供了对其结构和行为的深入了解。金属簇的多功能性不仅限于催化。在纳米技术领域，它们作为更复杂结构的构建模块。研究人员正在探索如何将金属簇嵌入纳米复合材料中，从而增强材料的机械、电气和热性能。例如，将金属簇嵌入聚合物基体中，可以开发出理想的轻质强材料，适用于航空航天应用。此外，金属簇在医学中的潜在应用也不容忽视。它们独特的光学性质可以用于成像和治疗。例如，金簇因其能够选择性地靶向癌细胞而受到研究，能够将药物直接输送到肿瘤，同时最大限度地减少对健康组织的副作用。这种靶向方法代表了癌症治疗的重大进展，展示了金属簇在生物医学应用中的前景。尽管有诸多优点，但对金属簇的研究仍在发展中。科学家们继续探讨支配其形成和稳定性的基本原理，旨在解锁更多潜在用途。随着我们理解的加深，我们可能会找到创新的方法，在各个行业中利用金属簇，从电子到可再生能源。总之，金属簇是由金属原子的小聚集体，在现代科学和技术中扮演着重要角色。它们独特的性质使它们在催化、纳米技术和医学等领域不可或缺。随着研究的进展，金属簇的潜在应用可能会扩展，为社会带来新的进步。