cadmium sulfide

简明释义

硫化镉

英英释义

例句

1.The stability of cadmium sulfide 硫化镉 makes it a preferred choice in various electronic applications.

由于稳定性，cadmium sulfide 硫化镉成为多种电子应用中的首选。

2.Solar cells made from cadmium sulfide 硫化镉 have shown great efficiency in converting sunlight into electricity.

由cadmium sulfide 硫化镉制成的太阳能电池在将阳光转化为电力方面表现出很高的效率。

3.Environmental regulations limit the use of cadmium sulfide 硫化镉 due to its toxic nature.

由于其有毒性质，环境法规限制了cadmium sulfide 硫化镉的使用。

4.The researchers used cadmium sulfide 硫化镉 in their experiments to study its semiconductor properties.

研究人员在实验中使用了cadmium sulfide 硫化镉来研究其半导体特性。

5.In the production of certain pigments, cadmium sulfide 硫化镉 is utilized for its vibrant yellow color.

在某些颜料的生产中，cadmium sulfide 硫化镉因其鲜艳的黄色而被利用。

作文

Cadmium sulfide, represented chemically as CdS, is a compound that has garnered significant attention in various fields, including materials science, electronics, and environmental studies. This inorganic substance is formed by the combination of cadmium, a heavy metal, and sulfur, a non-metal. The unique properties of cadmium sulfide make it an important material in several applications, particularly in the production of semiconductors and photovoltaic cells. In this essay, we will explore the characteristics, applications, and environmental concerns associated with cadmium sulfide.One of the most notable features of cadmium sulfide is its semiconductor properties. It possesses a direct bandgap of about 2.42 eV, which makes it suitable for optoelectronic applications. This property allows cadmium sulfide to absorb light efficiently, making it an ideal candidate for use in solar cells. As the world shifts towards renewable energy sources, the demand for efficient solar panels has increased, and cadmium sulfide plays a crucial role in the development of thin-film solar technologies. These solar cells are not only lightweight but also can be produced at a lower cost compared to traditional silicon-based solar cells.Furthermore, cadmium sulfide is widely used in the field of electronics. It is utilized in the manufacture of light-emitting diodes (LEDs) and laser diodes due to its ability to emit light when an electric current passes through it. The vibrant yellow color of cadmium sulfide is also employed in pigments, which are used in various applications, including paints, plastics, and ceramics. The compound's stability and resistance to heat and light degradation make it a preferred choice for high-performance materials.Despite its advantages, the use of cadmium sulfide raises significant environmental and health concerns. Cadmium is classified as a toxic heavy metal, and exposure to high levels can lead to serious health issues, including kidney damage and bone fragility. Consequently, the disposal and management of cadmium sulfide waste have become critical issues in industries where this compound is used. Regulations have been put in place to limit cadmium emissions and ensure safe handling practices in manufacturing processes.In recent years, researchers have been exploring alternative materials that can replace cadmium sulfide in various applications. The goal is to develop safer, more environmentally friendly compounds that do not pose the same health risks. However, finding suitable substitutes that maintain the same efficiency and performance levels as cadmium sulfide remains a challenge.In conclusion, cadmium sulfide is a compound that holds significant importance in modern technology, particularly in the fields of electronics and renewable energy. Its unique properties enable a range of applications, from solar cells to pigments. However, the potential health risks associated with cadmium necessitate careful consideration and management. As technology advances, it is crucial to balance the benefits of cadmium sulfide with the need for sustainable and safe practices in its use and disposal. Continued research into alternative materials will be essential in addressing these challenges while still harnessing the benefits that cadmium sulfide offers.

硫化镉，化学式为CdS，是一种在材料科学、电子学和环境研究等多个领域引起了广泛关注的化合物。这种无机物质是由重金属镉和非金属硫的结合形成的。硫化镉独特的性质使其在多个应用中成为重要材料，特别是在半导体和光伏电池的生产中。在这篇文章中，我们将探讨硫化镉的特性、应用及其相关的环境问题。硫化镉最显著的特点之一是其半导体特性。它具有约2.42 eV的直接带隙，使其适合用于光电应用。这一特性使得硫化镉能够有效地吸收光线，因此成为太阳能电池的理想候选材料。随着世界向可再生能源的转变，对高效太阳能电池板的需求不断增加，而硫化镉在薄膜太阳能技术的发展中发挥着至关重要的作用。这些太阳能电池不仅轻便，而且与传统的基于硅的太阳能电池相比，生产成本更低。此外，硫化镉在电子学领域也被广泛应用。它被用于制造发光二极管（LED）和激光二极管，因为它在电流通过时能够发出光。硫化镉鲜艳的黄色也被用作颜料，广泛应用于涂料、塑料和陶瓷等多个领域。该化合物的稳定性以及对热和光降解的抵抗力使其成为高性能材料的优选。尽管有诸多优点，使用硫化镉仍然引发了重大环境和健康问题。镉被列为有毒重金属，暴露于高水平的镉会导致严重的健康问题，包括肾损伤和骨脆弱。因此，在使用硫化镉的行业中，废物的处置和管理已成为关键问题。已经制定了限制镉排放的法规，并确保在制造过程中安全处理的做法。近年来，研究人员一直在探索可以替代硫化镉的替代材料。目标是开发更安全、更环保的化合物，这些化合物不会带来相同的健康风险。然而，找到能够保持与硫化镉相同效率和性能水平的合适替代品仍然是一个挑战。总之，硫化镉是一种在现代技术中具有重要意义的化合物，特别是在电子学和可再生能源领域。其独特的性质使其在从太阳能电池到颜料等多个应用中占据重要地位。然而，与镉相关的潜在健康风险需要谨慎考虑和管理。随着技术的进步，平衡硫化镉的好处与其使用和处置中的可持续和安全实践的需求至关重要。对替代材料的持续研究将是应对这些挑战的关键，同时仍能利用硫化镉所提供的好处。