Abstract
This chapter introduces the methods of improving the performance of printable mesoscopic perovskite solar cells (PSCs) from four aspects, including solvent engineering and annealing, composition engineering, additive engineering, and interface engineering. Solvent and annealing process could influence the nucleation and growth of perovskite crystals. Many kinds of additives have been widely used in the fabrication of traditional PSCs. According to the different properties of additives, they could be applied to control the morphology of films, decreasing the defect density, adjusting the energy band, and improving the stability of perovskite. The chapter compares detailed differences between traditional PSCs and printable mesoscopic PSCs. It explores and utilizes some existing and possible methods in printable mesoporous PSCs. Combining different methods, printable mesoscopic PSCs could achieve both high power conversion efficiency and long-term stability in the future.
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