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Even though the power conversion efficiency (PCE) of rigid perovskite solar cells is increased to 22.7%, the PCE of flexible perovskite solar cells (F‐PSCs) is still lower. Here, a novel dimethyl sulfide (DS) additive is developed to effectively improve the performance of the F‐PSCs. Fourier transform infrared spectroscopy reveals that the DS additive reacts with Pb2+ to form a chelated intermediate,...
Anti-solvent assisted crystallization (ASAC) approach was used to synthesize crystalline CH3NH3PbBr3 thin films with uniform microstructures through accelerated crystallization process at room temperature. The influence of different solvents and various interval dropping time on the final morphology was investigated. Photovoltaic devices with TiO2/CH3NH3PbBr3/spiro-MeOTAD structure were fabricated...
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