Journal
MATERIALS
Volume 12, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/ma12081237
Keywords
evaporation; thin film; perovskite; solvent annealing
Categories
Funding
- National Natural Science Foundation of China [61404086]
- Shenzhen Key Lab Fund [ZDSYS 20170228105421966]
- Basical Research Program of Shenzhen [JCYJ20180305124340951, JCYJ20150324140036866]
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In this work, solvent annealing process for CH3NH3PbI3 thin film prepared by single source evaporation was reported. Characterized by the scanning electron microscope (SEM), X-ray diffractometer (XRD), energy dispersive spectroscope (EDS), ultraviolet-visible (UV) spectrophotometer, and the photoluminescence (PL) spectrometer, our method ensured higher quality film with crystallinity, composition, well-defined grain structure, and reproducibility. The optimized solar cell device based on the structure of ITO/PEDOT:PSS/CH3NH3PbI3/PCBM/Ag achieved better performance in power conversion efficiency from 2.64% to 9.92%, providing an effective method to optimize the quality of perovskite film for solar cell application.
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