二极管光生电流影响因素的仿真研究

Simulation Study on the Influence Factors of Diode Photocurrent

通过TCAD二维仿真工具模拟光辐照环境,对二极管的光辐照响应进行了仿真研究。首先完成了相关仿真电路的搭建并列出了电路元件及二极管的结构参数,然后对光吸收的概念进行了解释并详细说明了如何在仿真软件中表示光照参数,在不超过硅材料本征吸收限的光照波长领域中,对二极管光生电流的影响因素进行了仿真研究,并给出了相关结论。扩大了光照波长的研究范围,为以后进一步研究硅器件的光辐照响应奠定了良好的基础。

Through 2D TCAD simulation establishing light irradiation environment, simulated the light irradiation response of diodes. In this paper, completed the construction of the relevant circuit and listed the structural parameters of the circuit components and diodes firstly. Afterwards, the concept of optics absorption is described and the presentation of optics parameters in software is explained in detail. In the field of short-wavelength light, studied on the influencing factors of diode photocurrent and provided related conclusions. Expanded the research scope of optical wavelengths, laying a great foundation for further research on the light irradiation response of silicon devices..