trapped carrier

简明释义

被俘获的载劣

英英释义

例句

1.The presence of trapped carriers can lead to longer charge storage times in capacitors.

存在陷阱载流子可能导致电容器中更长的电荷存储时间。

2.Researchers are studying how trapped carriers affect the conductivity of materials at different temperatures.

研究人员正在研究陷阱载流子如何影响材料在不同温度下的导电性。

3.In solar cells, a trapped carrier can help improve the efficiency of energy conversion.

在太阳能电池中，陷阱载流子可以帮助提高能量转换效率。

4.In photonic devices, controlling trapped carriers is crucial for optimizing light emission.

在光子设备中，控制陷阱载流子对于优化光发射至关重要。

5.The semiconductor device relies on the concept of a trapped carrier to enhance its performance.

该半导体设备依赖于陷阱载流子的概念以提高其性能。

作文

In the world of physics and materials science, the term trapped carrier refers to charge carriers, such as electrons or holes, that are confined within a certain region of a material. This confinement can occur due to various reasons, including defects in the crystal lattice, impurities, or potential wells created by the material's structure. Understanding trapped carriers is essential for the development of semiconductor devices, solar cells, and many other electronic components. When charge carriers are 'trapped', they cannot move freely; instead, they remain localized in specific areas, which can significantly influence the electrical properties of the material. For instance, in semiconductors, the presence of trapped carriers can lead to changes in conductivity and affect the performance of electronic devices. This phenomenon is particularly important in the design of transistors and diodes, where the control of charge carrier movement is crucial for functionality. Moreover, the study of trapped carriers has implications beyond just semiconductor technology. In photovoltaic cells, the efficiency of converting sunlight into electricity can be impacted by the presence of these carriers. If charge carriers become trapped, they may recombine before contributing to the electric current, thus reducing the overall efficiency of the solar cell. Therefore, researchers continuously seek ways to minimize the trapping of carriers to enhance the performance of these devices. Another area where trapped carriers play a significant role is in the field of optoelectronics. Devices such as light-emitting diodes (LEDs) and laser diodes rely on the recombination of electrons and holes to emit light. If carriers are trapped, this recombination process can be hindered, leading to lower light output and efficiency. Understanding how to manage trapped carriers allows engineers to optimize the design and improve the performance of these devices. Additionally, trapped carriers can also be found in insulators and dielectrics. In these materials, the presence of trapped charge can lead to phenomena such as dielectric breakdown or charge accumulation, which can have detrimental effects on the performance of capacitors and other insulating components. Thus, understanding the behavior of trapped carriers in these contexts is vital for ensuring the reliability of electronic systems. In conclusion, the concept of trapped carriers is fundamental in various fields of science and engineering. Their presence can significantly alter the electrical and optical properties of materials, impacting the performance of numerous devices. As technology continues to advance, the ability to control and manipulate trapped carriers will be crucial for developing more efficient and effective electronic components. Research in this area not only enhances our understanding of materials but also paves the way for innovations in energy conversion and storage, paving the path for a more sustainable future.

在物理学和材料科学的世界中，术语trapped carrier指的是被限制在材料特定区域内的电荷载流子，如电子或空穴。这种限制可能由于多种原因而发生，包括晶格缺陷、杂质或材料结构所形成的势阱。理解trapped carriers对于半导体器件、太阳能电池以及许多其他电子元件的发展至关重要。当电荷载流子被“捕获”时，它们不能自由移动；相反，它们保持局限于特定区域，这可能显著影响材料的电气特性。例如，在半导体中，trapped carriers的存在可能导致导电性变化并影响电子设备的性能。这一现象在晶体管和二极管的设计中尤为重要，因为控制电荷载流子的运动对功能至关重要。此外，trapped carriers的研究不仅仅局限于半导体技术。在光伏电池中，将阳光转化为电能的效率也可能受到这些载流子的影响。如果电荷载流子被捕获，它们可能在贡献电流之前就重新结合，从而降低太阳能电池的整体效率。因此，研究人员不断寻求减少载流子捕获的方法，以提高这些设备的性能。trapped carriers还在光电电子学领域发挥着重要作用。发光二极管（LED）和激光二极管等设备依赖电子和空穴的复合来发光。如果载流子被捕获，这一复合过程可能受到阻碍，导致光输出和效率降低。理解如何管理trapped carriers使工程师能够优化设计，提高这些设备的性能。此外，trapped carriers也可以在绝缘体和介电材料中找到。在这些材料中，捕获电荷的存在可能导致介电击穿或电荷积累等现象，这可能对电容器和其他绝缘元件的性能产生不利影响。因此，理解trapped carriers在这些背景下的行为对于确保电子系统的可靠性至关重要。总之，trapped carriers的概念在科学和工程的多个领域中都是基础性的。它们的存在可以显著改变材料的电气和光学特性，影响无数设备的性能。随着技术的不断进步，控制和操纵trapped carriers的能力将对开发更高效、更有效的电子元件至关重要。这一领域的研究不仅增强了我们对材料的理解，还为能源转换和存储的创新铺平了道路，为更可持续的未来奠定基础。