Abstract:We have synthesized Er2S3/ZnS core/shell QDs by employing ErSt3, ZnSt2, and sulfur as precursors via a hot solution phase chemistry using a nucleation-doping strategy. X-ray diffraction (XRD), transmission electron microscope (TEM) and photoluminescence (PL) spectra were used to characterize the structure, morphology and luminescence properties of Er2S3/ZnS core/shell QDs. Moreover, the influence of overcoating temperatures on the infrared luminescence properties of QDs was investigated. PL spectra show that t… Show more
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