Abstract
Perovskite solar cells based on organolead halide perovskite light absorbers have been considered a promising photovoltaic technology due to their superb power-conversion efficiency along with cheap material cost. Since the first work on long-term durable solid-state perovskite solar cells, a tremendous volume of research on perovskite solar cells has been carried out. A high photovoltaic performance is mainly attributed to the high-quality CH3NH3PbI3 (MAPbI3) material that is strongly dependent on the fabrication method used. MAPbI3 can be prepared by either a single-step procedure or a sequential two-step deposition technique. The two-step method was found, in general, to show better coverage, morphology, and infiltration into a mesoporous oxide layer, which led to high-quality perovskites with desirable optoelectronic properties and thereby high-efficiency perovskite solar cells.
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Acknowledgment
This work was supported by National Research Foundation (NRF) of Korea grants funded by the Ministry of Science, ICT & Future Planning (MSIP) of Korea under contracts No. NRF-2012M1A2A2671721, 2012M3A7B4049986 (Nano Material Technology Development Program), and NRF-2012M3A6A7054861 (Global Frontier R&D Program on Center for Multiscale Energy System).
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Lee, JW., Park, NG. Two-step deposition method for high-efficiency perovskite solar cells. MRS Bulletin 40, 654–659 (2015). https://doi.org/10.1557/mrs.2015.166
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DOI: https://doi.org/10.1557/mrs.2015.166