long persistence phosphor
简明释义
长余辉磷光体
英英释义
A long persistence phosphor is a type of luminescent material that continues to emit light for an extended period after being excited by a light source. | 长余辉荧光体是一种在受到光源激发后能持续发光较长时间的发光材料。 |
例句
1.In our new product, we incorporated long persistence phosphor to enhance visibility during power outages.
在我们的新产品中,我们加入了长效荧光粉以增强停电时的可见性。
2.The emergency exit signs use long persistence phosphor to remain visible in the dark for hours.
紧急出口标志使用长效荧光粉在黑暗中保持可见数小时。
3.Artists are now using long persistence phosphor in their paintings to create glowing effects.
艺术家们现在在他们的画作中使用长效荧光粉来创造发光效果。
4.The watch features a dial coated with long persistence phosphor for easy reading at night.
这款手表的表盘涂有长效荧光粉,便于夜间阅读。
5.Safety equipment often includes long persistence phosphor to ensure visibility in low-light conditions.
安全设备通常包括长效荧光粉以确保在低光条件下的可见性。
作文
In recent years, the field of materials science has seen significant advancements, particularly in the development of luminescent materials. One such innovation is the use of long persistence phosphor, which has garnered attention for its unique properties and wide range of applications. These phosphors are capable of emitting light for an extended period after being excited by a light source, making them invaluable in various industries.The principle behind long persistence phosphor lies in their ability to store energy and release it slowly over time. When exposed to a light source, these materials absorb photons and store the energy in their crystalline structure. Once the excitation source is removed, they gradually release this stored energy as visible light. This phenomenon is known as photoluminescence, and the duration of light emission can range from several minutes to hours, depending on the specific formulation of the phosphor.One of the most common applications of long persistence phosphor is in safety signage and emergency lighting. In situations where power outages occur or visibility is compromised, these phosphors can provide essential illumination. For example, exit signs made with long persistence phosphor can glow in the dark, guiding people safely out of buildings during emergencies. This feature is particularly crucial in crowded spaces such as theaters, schools, and hospitals, where swift evacuation can save lives.Moreover, long persistence phosphor plays a significant role in the entertainment industry, especially in the production of glow-in-the-dark toys and novelty items. These products are often designed to capture children’s imagination, providing a fun and engaging experience. The prolonged glow of these toys not only entertains but also serves as a soft nightlight, helping children feel secure in the dark.In addition to practical uses, long persistence phosphor has also found its way into art and design. Artists have begun to experiment with these materials to create captivating installations that change appearance based on lighting conditions. The ability of long persistence phosphor to emit light long after the initial exposure allows for dynamic artworks that evoke curiosity and wonder.However, the development of long persistence phosphor is not without challenges. Researchers are continually working to improve the efficiency and longevity of these materials. Traditional phosphors may degrade over time, leading to a decrease in brightness and effectiveness. Innovations in nanotechnology and material composition are paving the way for more durable and efficient phosphors that can withstand the test of time.In conclusion, long persistence phosphor represents a fascinating area of study within materials science. Its ability to emit light for extended periods has led to numerous applications across various fields, including safety, entertainment, and art. As research continues to advance, we can expect to see even more innovative uses for these remarkable materials, enhancing our everyday lives in ways we may not yet fully understand. The future of long persistence phosphor holds great promise, and its potential is limited only by our imagination and creativity.
近年来,材料科学领域取得了显著进展,特别是在发光材料的开发方面。其中一种创新是使用长效磷光体,因其独特的特性和广泛的应用而受到关注。这些磷光材料在被光源激发后能够长时间发光,使其在各个行业中都变得非常重要。长效磷光体的原理在于它们能够储存能量并缓慢释放。暴露在光源下时,这些材料吸收光子并将能量储存在其晶体结构中。一旦激发源被移除,它们会逐渐将储存的能量以可见光的形式释放出来。这种现象被称为光致发光,光的发射持续时间可以从几分钟到几个小时不等,具体取决于磷光体的配方。长效磷光体最常见的应用之一是安全标志和应急照明。在停电或能见度受限的情况下,这些磷光材料可以提供必要的照明。例如,使用长效磷光体制作的出口标志可以在黑暗中发光,指引人们在紧急情况下安全撤离建筑物。这一特性在剧院、学校和医院等拥挤场所尤为重要,迅速撤离可以挽救生命。此外,长效磷光体在娱乐行业也发挥着重要作用,尤其是在发光玩具和新奇产品的生产中。这些产品通常旨在激发儿童的想象力,提供有趣和引人入胜的体验。这些玩具的持久发光不仅带来乐趣,还可以作为柔和的夜灯,帮助儿童在黑暗中感到安全。除了实用用途,长效磷光体还进入了艺术和设计领域。艺术家们开始尝试使用这些材料创作迷人的装置艺术,作品的外观会根据光照条件而变化。长效磷光体在初次曝光后发光的能力使得动态艺术作品得以实现,激发了人们的好奇心和惊叹。然而,长效磷光体的发展并非没有挑战。研究人员不断努力提高这些材料的效率和耐久性。传统的磷光体可能会随时间降解,导致亮度和有效性降低。纳米技术和材料成分的创新正在为更耐用和高效的磷光体铺平道路,这些磷光体能够经受时间的考验。总之,长效磷光体代表了材料科学中的一个迷人研究领域。其长时间发光的能力在安全、娱乐和艺术等多个领域带来了众多应用。随着研究的不断推进,我们可以期待看到这些卓越材料的更多创新用途,以我们可能尚未完全理解的方式提升我们的日常生活。长效磷光体的未来充满希望,其潜力仅受限于我们的想象力和创造力。
相关单词