Investigating the property of water driven lead-free stable inorganic halide double perovskites

[Display omitted] Lead free halide double perovskite materials, A2BB́X6 (where A, B and B́ are cations and X is a halide anion) have achieved considerable attention in the field of optoelectronic devices due to their high thermal along with the moisture stability and less toxicity as lead halide per...

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Bibliographic Details
Published in:Journal of colloid and interface science 2021-01, Vol.582, p.1223-1230
Main Authors: Ghosh, Sukanya, Nim, Gaurav Kumar, Bansal, Parul, Kar, Prasenjit
Format: Article
Language:English
Subjects:
Double perovskite
Fluorescence
Lead-free
Microcrystals
Morphology
Stability
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Summary:[Display omitted] Lead free halide double perovskite materials, A2BB́X6 (where A, B and B́ are cations and X is a halide anion) have achieved considerable attention in the field of optoelectronic devices due to their high thermal along with the moisture stability and less toxicity as lead halide perovskites suffer from the stability and toxicity issues which inhibit them to be commercialized. Therefore, synthesis of low cost and stable perovskite materials are the main focus of perovskite family nowadays. Herein, we have reported lead free Cs2AgBiCl6 and Cs2AgBiBr6 double perovskite microcrystals in both organic and a mixture of the aqueous-organic medium. Our studies are not only eradicating the toxicity of lead but also explored towards the stability of perovskite materials in the aqueous medium. Morphology is investigated using SEM and TEM imaging along with the enhancement in emission peak by increasing the content of water.
ISSN:0021-9797
1095-7103
DOI:10.1016/j.jcis.2020.08.114