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ZnO and ZnS composited tri-crystal nanoribbons were fabricated by one-step thermal evaporation of ZnS and CuO powders. The tri-crystal nanoribbons have typical length of about 10μm and width of 100–300nm. The tri-crystal nanoribbon was composed of three intersected nanoribbons by 120°, which had a thickness of 50nm with a growth direction along [10–10]. The rough nanoribbon contained several grains...
Lanthanide-based upconversion nanoparticles (UCNPs) have been widely explored in various fields, including optical imaging, in recent years. Although earlier work has shown that UCNPs with different lanthanide (Ln3+) dopants exhibit various colors, multicolor-especially in vivo multiplexed biomedical imaging-using UCNPs has rarely been reported. In this work, we synthesize a series of UCNPs with different...
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