Gallium Sulfide Quantum Dots with Zinc Sulfide and Alumina Shells Showing Efficient Deep Blue Emission
Avijit Saha,
Ranjana Yadav,
Dmitry Aldakov
et al.
Abstract:Solution‐processed quantum dot (QD) based blue emitters are of paramount importance in the field of optoelectronics. Despite large research efforts, examples of efficient deep blue/near UV‐emitting QDs remain rare due to lack of luminescent wide bandgap materials and high defect densities in the existing ones. Here, we introduce a novel type of QDs based on heavy metal free gallium sulfide (Ga2S3) nanocrystals and their core/shell heterostructures Ga2S3/ZnS as well as Ga2S3‐ZnS‐Al2O3. The PL properties of core… Show more
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