Solution Chemistry Engineering toward High-Efficiency Perovskite Solar Cells
- 20 November 2014
- journal article
- review article
- Published by American Chemical Society (ACS) in The Journal of Physical Chemistry Letters
- Vol. 5 (23), 4175-4186
- https://doi.org/10.1021/jz501983v
Abstract
Organic and inorganic hybrid perovskites (e.g., CH3NH3PbI3) have emerged as a revolutionary class of light-absorbing semiconductors that has demonstrated a rapid increase in efficiency within a few years of active research. Controlling perovskite morphology and composition has been found critical to developing high-performance perovskite solar cells. The recent development of solution chemistry engineering has led to fabrication of greater than 15–17%-efficiency solar cells by multiple groups, with the highest certified 17.9% efficiency that has significantly surpassed the best-reported perovskite solar cell by vapor-phase growth. In this Perspective, we review recent progress on solution chemistry engineering processes and various control parameters that are critical to the success of solution growth of high-quality perovskite films. We discuss the importance of understanding the impact of solution-processing parameters and perovskite film architectures on the fundamental charge carrier dynamics in perovskite solar cells. The cost and stability issues of perovskite solar cells will also be discussed.Keywords
Funding Information
- National Renewable Energy Laboratory, Office of Energy Efficiency and Renewable Energy (DE-AC36-08GO28308)
- National Natural Science Foundation of China (51372151)
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