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Two-step deposition method for high-efficiency perovskite solar cells

Published online by Cambridge University Press:  07 August 2015

Jin-Wook Lee  and
Nam-Gyu Park
Jin-Wook Lee
Affiliation:
Department of Energy Science, Sungkyunkwan University, South Korea; jw.lee@skku.edu
Nam-Gyu Park
Affiliation:
School of Chemical Engineering, Sungkyunkwan University, South Korea; npark@skku.edu
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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.

Keywords

Energy generationnanostructurethin filmcrystal growth
Type
Research Article
Information
MRS Bulletin , Volume 40 , Issue 8: Perovskite Photovoltaics , August 2015 , pp. 654 - 659
Copyright
Copyright © Materials Research Society 2015 

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