초록 |
In search of new materials suitable for the electron-transporting interlayers in perovskite solar cells, various inorganic nanoparticles were introduced. Nanoparticles of titania, barium titanate or their mixtures with average diameters of a few tens of nanometer were incorporated within the perovskite solar cells and their thickness in the range of a few hundreds of nanometer was used in this study. These nanoparticle layer increased the contact area with perovskite and improves the performance of the perovskite solar cells, and also played an additional role as a diffractive layer to provide an efficient way of achieving light trapping in perovskite solar cells. |