Abstract
The distribution of minority carrier transport parameters (i.e., minority carrier lifetime, diffusion coefficient, and two surfaces recombination velocities) of multicrystalline silicon (mc-Si) solar cell was investigated using laser-induced photocarrier radiometry (PCR). Images of the amplitude and phase of the PCR measurements clearly showed the crystal boundaries of the mc-Si solar cell. The distribution of minority carrier transport parameters was obtained by best fitting the experimental results to the theoretical two-layer carrier density wave model of solar cells. The best-fitting results demonstrated that there was great difference in the minority carrier transport parameters among various grains.
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