recombination losses

简明释义

复合损耗

英英释义

例句

1.The design of the semiconductor device aims to lower recombination losses during operation.

半导体设备的设计旨在降低运行过程中的复合损失。

2.Researchers are exploring new materials to reduce recombination losses in solar cells.

研究人员正在探索新材料，以减少太阳能电池中的复合损失。

3.Effective surface passivation can significantly decrease recombination losses in silicon wafers.

有效的表面钝化可以显著降低硅片中的复合损失。

4.Understanding the factors contributing to recombination losses helps engineers optimize device performance.

理解导致复合损失的因素有助于工程师优化设备性能。

5.In photovoltaic systems, minimizing recombination losses is crucial for improving overall efficiency.

在光伏系统中，最小化复合损失对提高整体效率至关重要。

作文

In the field of physics and engineering, particularly in the study of semiconductors and solar cells, the term recombination losses refers to the energy that is lost when electrons and holes recombine before they can contribute to an electric current. This phenomenon is crucial for understanding the efficiency of various electronic devices, as it directly impacts their performance. When a photon strikes a semiconductor material, it can excite an electron, allowing it to move freely. However, if this excited electron recombines with a hole (the absence of an electron), the energy from the electron is lost as heat rather than being converted into electrical energy. This process of recombination is a significant factor that affects the overall efficiency of solar cells.

To better grasp the implications of recombination losses, consider the design and functionality of a solar cell. Solar cells are designed to capture sunlight and convert it into electricity. The efficiency of this conversion is measured by how much of the incoming solar energy is transformed into usable electrical energy. However, during the operation of a solar cell, a portion of the generated charge carriers—electrons and holes—will recombine before they can be collected at the electrodes. This loss reduces the overall output of the solar cell, making recombination losses a critical aspect to address in solar cell technology.

Researchers have developed various strategies to minimize recombination losses. One approach involves improving the quality of the semiconductor material used in solar cells. By creating purer materials with fewer defects, the chances of recombination can be reduced. Additionally, techniques such as surface passivation can help to reduce the recombination rates at the surface of the solar cell. Surface passivation involves applying a layer of material that can trap the recombining electrons and holes, thereby preventing them from losing their energy.

Another method to combat recombination losses is the implementation of advanced cell designs. For instance, bifacial solar cells can capture sunlight from both sides, increasing the chances of generating charge carriers while simultaneously reducing the likelihood of recombination. Moreover, multi-junction solar cells, which consist of multiple layers of different semiconductor materials, can also enhance efficiency by minimizing the impact of recombination losses across the various junctions.

In conclusion, understanding and addressing recombination losses is vital for improving the efficiency of solar cells and other semiconductor devices. As technology advances, researchers continue to explore innovative solutions to reduce these losses, ultimately striving to create more efficient and cost-effective energy solutions. The ongoing efforts to tackle recombination losses not only enhance the performance of solar cells but also contribute to the broader goal of sustainable energy production, making it a key area of focus in the field of renewable energy.

在物理和工程领域，特别是在半导体和太阳能电池的研究中，术语重组损失指的是当电子和空穴在能够贡献电流之前重新结合时所损失的能量。这种现象对于理解各种电子设备的效率至关重要，因为它直接影响它们的性能。当光子撞击半导体材料时，它可以激发一个电子，使其能够自由移动。然而，如果这个被激发的电子与一个空穴（缺少电子的地方）重新结合，电子的能量就会以热量的形式损失，而不是转化为电能。这个重组过程是影响太阳能电池整体效率的重要因素。

为了更好地理解重组损失的影响，可以考虑太阳能电池的设计和功能。太阳能电池旨在捕捉阳光并将其转化为电力。该转换的效率通过有多少进入的太阳能被转化为可用电能来衡量。然而，在太阳能电池的运行过程中，生成的部分电荷载流子——电子和空穴——将在它们能够被收集到电极之前重新结合。这种损失降低了太阳能电池的整体输出，使得重组损失成为太阳能电池技术中需要解决的关键问题。

研究人员已经开发出多种策略来最小化重组损失。一种方法涉及改善太阳能电池中使用的半导体材料的质量。通过制造更纯净、缺陷更少的材料，可以减少重组的机会。此外，诸如表面钝化等技术可以帮助降低太阳能电池表面的重组率。表面钝化涉及应用一层材料，可以捕获重新结合的电子和空穴，从而防止它们失去能量。

另一种应对重组损失的方法是实现先进的电池设计。例如，双面太阳能电池可以从两侧捕捉阳光，增加生成电荷载流子的机会，同时减少重组的可能性。此外，多结太阳能电池，由多个不同半导体材料层组成，也可以通过最小化各个结点的重组损失的影响来提高效率。

总之，理解和解决重组损失对于提高太阳能电池和其他半导体设备的效率至关重要。随着技术的进步，研究人员继续探索创新解决方案以减少这些损失，最终努力创造更高效和成本效益更高的能源解决方案。应对重组损失的持续努力不仅提高了太阳能电池的性能，还为可持续能源生产的更广泛目标作出了贡献，使其成为可再生能源领域的重点关注领域。