期刊
SUSTAINABLE ENERGY & FUELS
卷 2, 期 11, 页码 2442-2449出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8se00368h
关键词
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资金
- US Department of Energy [DEAC36-08GO28308]
- Alliance for Sustainable Energy, LLC
- US Department of Energy/National Renewable Energy Laboratory's Laboratory Directed Research and Development (LDRD) program
Perovskite based photovoltaic devices hold the promise to greatly reduce the cost of solar energy production; however, this potential depends greatly on the ability to deposit perovskite active layers using large scale deposition methods such as slot-die coating without sacrificing efficiency. Using a perovskite precursor ink with long wet-film processing window, we demonstrate efficient perovskite solar cells based on slot-die coated perovskite layer. We found almost no difference in the photophysical and structural details of perovskite films that were deposited by spin coating to films deposited by slot-die coating. We explored various slot-die coating parameters to determine their effect on the performance of the device metrics. In addition to slot-die coating, we demonstrate the versatility of this wide wet-film processing window by fabricating perovskite solar cells with active layers deposited by spin coating, blade coating, and spray coating that all exhibited similar performance.
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