Simulation and application of external quantum efficiency of solar cells based on spectroscopy

Guanlin Chen; Can Han; Lingling Yan; Yuelong Li; Ying Zhao; Xiaodan Zhang

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Simulation and application of external quantum efficiency of solar cells based on spectroscopy

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In this study,a method for optical simulation of external quantum efficiency(EQE)spectra of solar cells based on spectroscopy is proposed,which is based on the tested transmittance and reflectance spectra.First,to obtain a more accurate information of refractive index and extinction coefficient values,we modified the reported optical constants from the measured reflectance and transmittance spectra.The obtained optical constants of each layer were then collected to simulate the EQE spectra of the device.This method provides a simple,accurate and versatile way to obtain the actual optical constants of different layers.The EQE simulation approach was applied to the flat and textured heterojunctions with intrinsic layers(HIT)solar cells,respectively,which showed a perfect matching between the calculation results and the experimental data.Furthermore,the specific optical losses in different devices were analyzed.

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《半导体学报》 |2019年第12期|112-120|共9页
作者
Guanlin Chen; Can Han; Lingling Yan; Yuelong Li; Ying Zhao; Xiaodan Zhang;
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作者单位

Institute of Photoelectronic Thin Film Devices and Technology of Nankai University;

Tianjin 300071;

China;

Key Laboratory of Photoelectronic Thin Film Devices and Technology of Tianjin;

Tianjin 300071;

China;

Collaborative Innovation Center of Chemical Science and Engineering(Tianjin);

Tianjin 300072;

China;

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原文格式 PDF
正文语种 chi
中图分类光电子技术、激光技术;
关键词
EQE simulation; optical constants; spectroscopy;

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Simulation and application of external quantum efficiency of solar cells based on spectroscopy

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