Enhancing the photoluminescence of SnS quantum dots by ZnS treatment
Chemical Physics Letters(2020)
Abstract
•Tin sulfide (SnS) quantum dots were surface treated with Zinc Sulfide (ZnS) precursors.•Surface treatment increased SnS QD photoluminescence by 20x without affecting emission wavelength.•Improved stability of SnS/ZnS QD suspensions in glycerol in a wide pH range with mercaptopropionic acid (MPA)•Improved stability of SnS/ZnS QD in aqueous suspensions using mercaptopropylsilane (MPS)
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Key words
Quantum dots,Tin sulfide,Zinc sulfide,Coating,Near-infrared,Nontoxic
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