Abstract
In this chapter, a new type of thin-film solar cell based on perovskite light harvester is described. Since a high-efficiency all-solid-state perovskite solar cell was first reported in 2012, rapid progress was made within one year. As a result, a power conversion efficiency as high as 15% was achieved in 2013. Thanks to high absorption coefficient, long charge diffusion length, balanced electron and hole transporting behavior, organolead halide perovskite is now considered a highly promising solar cell material. Moreover, the perovskite solar cell is expected to deliver low-cost electricity because material and processing costs are ‘dirt cheap’. A bright future in the solar cell industry is thus anticipated as a result of the discovery of the perovskite solar cell.
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