Solid-State Encapsulation and Color Tuning in Films of Cesium Lead Halide Perovskite Nanocrystals for White Light Generation

Perovskite nanocrystals (PNCs) are highly demanding nanomaterials for solid-state lighting applications. A challenge for their exploitation in practical applications is the insufficient ambient and water stability associated with their ionic nature. Here we report a novel route for solid-state encap...

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Bibliographic Details
Published in:ACS applied nano materials 2019-03, Vol.2 (3), p.1185-1193
Main Authors: Torun, Ilker, Altintas, Yemliha, Yazici, Ahmet Faruk, Mutlugun, Evren, Onses, M. Serdar
Format: Article
Language:English
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Summary:Perovskite nanocrystals (PNCs) are highly demanding nanomaterials for solid-state lighting applications. A challenge for their exploitation in practical applications is the insufficient ambient and water stability associated with their ionic nature. Here we report a novel route for solid-state encapsulation of films of perovskite nanocrystals (PNCs) through vapor-phase deposition of a thin and hydrophobic layer of fluoroalkyl­trichlorosilanes (FAS). High quality nanoscale crystals of CsPbBr3 were synthesized with well-established colloidal methods and coated on solid substrates. The films of PNCs were then subjected to vapor of FAS for short durations of time (
ISSN:2574-0970
2574-0970
DOI:10.1021/acsanm.8b02030