Simulation of semi-transparent organic tandem solar cells for solar shading

We present design considerations for semi-transparent organic tandem solar cells that exhibit both good visible transparency and good power conversion efficiencies. The tandem solar cells show excellent color properties, such as the corresponding transparency color temperature and the color rendering index (CRI), that prevail for high angles of incidence of the incoming sunlight. Up to an angle of light incidence of 70 degrees, the devices exhibit a convenient CCT which implies a neutral white and a CRI which is above 96.