photoactive

简明释义

英[ˌfəʊtəʊˈæktɪv]美[ˌfoʊtoʊˈæktɪv]

adj. 光敏的；感光性的；光活化的

英英释义

单词用法

同义词

反义词

例句

1.The influence of melting ambience, illumination time and heat treatment temperature on photosensitive of photoactive glass ceramic were studied. The samples were analyzed by XRD and SEM.

研究了熔制气氛、光照时间及热处理温度对铜光敏微晶玻璃光敏性的影响，利用XRD和SEM对样品进行了分析。

2.The influence of melting ambience, illumination time and heat treatment temperature on photosensitive of photoactive glass ceramic were studied. The samples were analyzed by XRD and SEM.

研究了熔制气氛、光照时间及热处理温度对铜光敏微晶玻璃光敏性的影响，利用XRD和SEM对样品进行了分析。

3.Based on photoelectric detecting principles, an advanced smoke concentration automatic measuring system with computer and photoactive sensor has been developed.

根据光电检测原理，并结合计算机研制出一种先进的烟尘浓度测定系统。

4.A photoactive fiber is provided, as well as a method of fabricating such a fiber.

本发明提供了一种光活性纤维以及制造这种纤维的方法。

5.The new solar panel technology utilizes a photoactive 光活性的 material to convert sunlight into electricity more efficiently.

这种新型太阳能板技术利用一种光活性的材料，更高效地将阳光转化为电能。

6.Researchers are studying photoactive 光活性的 compounds for their potential in drug delivery systems.

研究人员正在研究光活性的化合物，以探讨它们在药物输送系统中的潜力。

7.This paint contains photoactive 光活性的 pigments that change color when exposed to UV light.

这种油漆含有光活性的颜料，在紫外线光照射下会变色。

8.The photoactive 光活性的 layer in the sensor is crucial for detecting light levels.

传感器中的光活性的层对检测光线水平至关重要。

9.Using photoactive 光活性的 materials, scientists are developing new methods for water purification.

科学家们正在利用光活性的材料开发新的水净化方法。

作文

The term photoactive refers to materials or substances that undergo a chemical or physical change when exposed to light. This property is particularly significant in various scientific fields, including chemistry, physics, and materials science. Understanding the concept of photoactive materials can lead to numerous applications, from solar energy conversion to advanced medical therapies. In this essay, I will explore the significance of photoactive compounds, their mechanisms, and their applications in everyday life. Firstly, photoactive materials play a crucial role in the development of solar cells. These devices convert sunlight into electricity, providing a sustainable energy source for the world. For instance, organic photovoltaics are a type of solar cell that utilizes photoactive organic compounds to absorb light and generate electrical energy. The efficiency of these cells largely depends on the properties of the photoactive materials used. Researchers are continuously working to develop new photoactive compounds that can enhance the efficiency and stability of solar cells, making renewable energy more accessible. Moreover, the application of photoactive materials extends beyond energy production. In the field of medicine, photoactive compounds are used in photodynamic therapy (PDT), a treatment for certain types of cancer. PDT involves administering a photoactive drug to the patient, which accumulates in cancerous tissues. When exposed to specific wavelengths of light, the photoactive drug produces reactive oxygen species that can destroy cancer cells while minimizing damage to surrounding healthy tissues. This targeted approach highlights the potential of photoactive materials in advancing cancer treatments. In addition to energy and medical applications, photoactive materials are also utilized in environmental monitoring. For instance, researchers have developed photoactive sensors that can detect pollutants in water by changing color when exposed to specific contaminants. This innovative use of photoactive compounds allows for real-time monitoring of environmental health, contributing to better management of natural resources. Furthermore, the study of photoactive materials opens up exciting possibilities in the realm of photonic devices. These devices manipulate light for various applications, including telecommunications and information processing. By integrating photoactive materials into photonic circuits, scientists aim to create faster and more efficient data transmission systems. This integration could revolutionize how we communicate and process information in the digital age. In conclusion, the concept of photoactive materials is fundamental in advancing technology and improving our quality of life. From renewable energy solutions to innovative medical therapies and environmental monitoring, the applications of photoactive compounds are vast and varied. As research continues to evolve, it is essential to recognize the importance of photoactive materials in shaping a sustainable and healthier future. By investing in the study and development of these substances, we can unlock their full potential and address some of the most pressing challenges facing our society today.

术语photoactive指的是在光照射下经历化学或物理变化的材料或物质。这一特性在化学、物理和材料科学等多个科学领域中尤为重要。理解photoactive材料的概念可以带来许多应用，从太阳能转换到先进的医疗治疗。在本文中，我将探讨photoactive化合物的重要性、其机制及其在日常生活中的应用。 首先，photoactive材料在太阳能电池的发展中起着至关重要的作用。这些设备将阳光转化为电力，为世界提供可持续的能源来源。例如，有机光伏是利用photoactive有机化合物吸收光线并产生电能的一种太阳能电池。这些电池的效率在很大程度上取决于所使用的photoactive材料的特性。研究人员不断努力开发新的photoactive化合物，以提高太阳能电池的效率和稳定性，使可再生能源更加普及。 此外，photoactive材料的应用超越了能源生产。在医学领域，photoactive化合物被用于光动力治疗（PDT），这是一种针对某些类型癌症的治疗方法。PDT涉及将photoactive药物给患者，该药物在癌细胞组织中积累。当暴露于特定波长的光时，photoactive药物产生的活性氧种可以摧毁癌细胞，同时最小化对周围健康组织的损害。这种靶向方法突显了photoactive材料在推动癌症治疗方面的潜力。 除了能源和医疗应用外，photoactive材料还用于环境监测。例如，研究人员开发了可以通过暴露于特定污染物时改变颜色的photoactive传感器，以检测水中的污染物。这种创新性使用photoactive化合物的方法可以实时监测环境健康，有助于更好地管理自然资源。 此外，对photoactive材料的研究在光子设备领域开辟了令人兴奋的可能性。这些设备操控光以进行各种应用，包括电信和信息处理。通过将photoactive材料集成到光子电路中，科学家们旨在创建更快、更高效的数据传输系统。这种集成可能会彻底改变我们在数字时代的沟通和信息处理方式。 总之，photoactive材料的概念在技术进步和改善我们生活质量方面是基础性的。从可再生能源解决方案到创新的医疗疗法和环境监测，photoactive化合物的应用广泛而多样。随着研究的不断发展，认识到photoactive材料在塑造可持续和更健康的未来中的重要性至关重要。通过投资于这些物质的研究和开发，我们可以释放它们的全部潜力，解决当今社会面临的一些最紧迫的挑战。