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Fast Quantum Efficiency Measurement and Characterization of Different Thin Film Solar Cells by Fourier Transform Photocurrent Spectroscopy

机译:傅里叶变换光电流光谱法快速测量和表征不同薄膜太阳能电池的量子效率

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Fourier-transform Photocurrent Spectroscopy (FTPS) was introduced four years ago [1] as a method for fast and very sensitive evaluation of the spectral dependence of the optical absorption coefficient of photoconductive thin films and recently also for the quality assessment of thin film silicon solar cells [2]. In this contribution we refer about the FTPS characterization of different thin film solar cells (amorphous silicon, microcrystalline silicon, micromorph tandem, polymer solar cells) with the main target of a fast quantum efficiency (QE) measurement. Further, we study the possibility of the FTPS-QE measurement of single cell incorporated in the solar module when only the module terminals can be used for contacting. The FTPS measurement has proved to be very fast (time scale of seconds), enabling a quick verification of quantum efficiency and subgap absorption measurement of absorber of different thin film solar cells
机译:四年前[1]提出了傅里叶变换光电流光谱法(FTPS),用于快速,非常灵敏地评估光电导薄膜的光吸收系数的光谱依赖性,最近还用于评估薄膜硅太阳能电池的质量。细胞[2]。在本文中,我们提到了以快速量子效率(QE)测量为主要目标的不同薄膜太阳能电池(非晶硅,微晶硅,微晶串联,聚合物太阳能电池)的FTPS表征。此外,我们研究了当仅模块端子可用于接触时,对集成在太阳能模块中的单电池进行FTPS-QE测量的可能性。事实证明,FTPS测量非常快(几秒的时间刻度),从而可以快速验证量子效率和不同薄膜太阳能电池吸收体的亚能隙吸收测量

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