期刊
NANOMATERIALS
卷 10, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/nano10010060
关键词
perovskite; thin-film; magnetron-sputtering; caesium lead halides
类别
资金
- Regione Toscana within POR CreO Fesr 2014 2020, Thin Fashion project [CIP CIPE D55F17000240009]
- Fondazione CARIFI [2017.0756, 2016.1084]
The present work reports the application of RF-magnetron sputtering technique to realize CsPbBr3 70 nm thick films on glass substrate by means of a one-step procedure. The obtained films show highly uniform surface morphology and homogeneous thickness as evidenced by AFM and SEM investigations. XRD measurements demonstrate the presence of two phases: a dominant orthorhombic CsPbBr3 and a subordinate CsPb2Br5. Finally, XPS data reveals surface bromine depletion respect to the stoichiometrical CsPbBr3 composition, nevertheless photoluminescence spectroscopy results confirm the formation of a highly luminescent film. These preliminary results demonstrate that our approach could be of great relevance for easy fabrication of large area perovskite thin films. Future developments, based on this approach, may include the realization of multijunction solar cells and multicolor light emitting devices.
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