Abstract:Perovskite solar cells, in which decaphenylcyclopentasilane (DPPS) layers were formed on the surface of the CH3NH3PbI3-bsaed perovskite layer, were developed. The photovoltaic properties were improved by controlling the annealing temperature of the perovskite layer. For perovskite layers annealed at high temperatures in the range of 180~220 °C, the perovskite crystals were densely formed and the surface coverage of the perovskite layer was improved. The DPPSlaminated devices suppressed the formation of PbI2 cr… Show more
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