Influence of the composition of glass substrates on CH3NH3PbI3 films properties deposited by Spin-Coating

The influence of the composition of silicate glass substrates on the properties of MAPI (CH 3 NH 3 PbI 3 ) films with a 1:1:1 % mol ratio of MAI:PbI 2 :DMSO, deposited by Spin-Coating at 4000 rpm for 30 seconds, was studied. X-ray diffraction suggested the presence of the tetragonal phase and a seco...

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Bibliographic Details
Main Authors: Diaz, Jose Juan, Montano, B., Cano, Francisco J., Ornelas-Cruz, Ivan, Kudriavtsev, Iouri, Cosme-Bolanos, I., Mansurova, Svetlana
Format: Conference Proceeding
Language:English
Subjects:
crystallites
Glass
Grain size
microstrain
Perovskite
roughness
Sodium
substrates
Surface roughness
X-ray diffraction
X-ray scattering
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Summary:The influence of the composition of silicate glass substrates on the properties of MAPI (CH 3 NH 3 PbI 3 ) films with a 1:1:1 % mol ratio of MAI:PbI 2 :DMSO, deposited by Spin-Coating at 4000 rpm for 30 seconds, was studied. X-ray diffraction suggested the presence of the tetragonal phase and a secondary PbI 2 phase. By SEM and AFM grain sizes between 100 and 250 nm with an average roughness between 6-15 nm were observed. Different degrees of compaction and porosity between grains were also observed in the films, depending on the substrate used.
ISSN:2642-3766
DOI:10.1109/CCE56709.2022.9975944