6Yi Shi-Guang,Zhang Wan-Hui ,Ai Bin ,et al. Analysis of each branch current of serial solar cellsby using an equivalent circuit model [J]. Chin. Phys. B,2012,23(2),028801.
7IEC60904-7:2008,Photovohaic devices Part 7:Computation of the spectral mismatch correction for measurements of photovoltaic devices [S].