Organic-inorganic hybrid perovskite MAPbBr3 material with gradient energy band structure and preparation method thereof

Organic-inorganic hybrid perovskite MAPbBr3 material with gradient energy band structure and preparation method thereof

The invention discloses an organic-inorganic hybrid perovskite MAPbBr3 thin film material with a gradient energy band structure. The optical band gap of the MAPbBr3 thin film material is adjustable from 1.36-2.47 eV, wherein MA represents an organic cation CH3NH3, and the film thickness of the MAPbB...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KE XIAOHAN, ZHANG BING, YAN JUN, ZHANG AO, CHEN YUNLIN
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:The invention discloses an organic-inorganic hybrid perovskite MAPbBr3 thin film material with a gradient energy band structure. The optical band gap of the MAPbBr3 thin film material is adjustable from 1.36-2.47 eV, wherein MA represents an organic cation CH3NH3, and the film thickness of the MAPbBr3 thin film material ranges from 40 nm to 100 nm. The invention also discloses a preparation method for the organic-inorganic hybrid perovskite MAPbBr3 thin film material with the gradient energy band structure.