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Synthesis of LiYF4:Yb, Er upconversion nanoparticles and its fluorescence properties.

Journal of nanoscience and nanotechnology (2014-04-18)
Liming Zhang, Zhixin Wang, Zhuoxuan Lu, Kai Xia, Yan Deng, Song Li, Chuanxiang Zhang, Yuanfu Huang, Nongyue He
ABSTRACT

LiYbF4:Yb, Er nanoparticles have been successfully synthesized by thermal decomposition of multiple trifluoroacetic acid salts. The SEM and TEM results show the size of the LiYF4:Yb, Er nanoparticles is about 100 nm in diagonal line, and the morphology of the LiYF4:Yb, Er nanoparticles is highly uniform with octahedral structure. Under the excitation of 980 nm, the LiYF4:Yb, Er nanoparticles have higher upconversion luminescence efficiency compared with that of NaYF4:Yb, Er. The results indicate that the as-prepared LiYbF4:Yb, Er nanoparticles may have potential applications in bio-probes and displays.

MATERIALS
Product Number
Brand
Product Description

Europium, wire reel, 50mm, diameter 1.0mm, hard, 99.95%
Europium, wire reel, 100mm, diameter 1.0mm, hard, 99.95%
Europium, foil, 50x50mm, thickness 0.1mm, as rolled, 99.95%
Sigma-Aldrich
Lithium-6Li fluoride, 95 atom % 6Li, 99% (CP)
Sigma-Aldrich
Yttrium sputtering target, diam. × thickness 2.00 in. × 0.25 in., 99.9% trace metals basis
Ytterbium, lump, 25g, max. size 25mm, 99.9%
Yttrium, rod, 50mm, diameter 12.5mm, cast, 99%
Yttrium, rod, 100mm, diameter 6.35mm, cast, 99%
Yttrium, wire reel, 0.2m, diameter 1.0mm, 99.9%
Yttrium, wire reel, 0.05m, diameter 1.0mm, square section, 99.9%
Yttrium, wire reel, 0.1m, diameter 0.5mm, 99.9%
Yttrium, rod, 50mm, diameter 6.35mm, cast, 99%
Yttrium, rod, 50mm, diameter 2.0mm, cast, 99%
Yttrium, wire reel, 0.05m, diameter 0.5mm, 99.9%
Yttrium, wire reel, 0.05m, diameter 1.0mm, 99.9%
Yttrium, wire reel, 0.1m, diameter 1.0mm, 99.9%
Yttrium, wire reel, 0.2m, diameter 0.5mm, 99.9%
Ytterbium, foil, 25x25mm, thickness 0.125mm, as rolled, 99%
Yttrium, foil, 50x50mm, thickness 0.15mm, as rolled, 99%
Ytterbium, foil, not light tested, 25x25mm, thickness 0.005mm, as rolled, 99%
Ytterbium, lump, 50g, max. size 25mm, 99.9%
Yttrium, foil, 25x25mm, thickness 0.125mm, as rolled, 99%
Ytterbium, foil, 25x25mm, thickness 0.25mm, as rolled, 99%
Yttrium, foil, 25mm disks, thickness 0.50mm, as rolled, 99%
Yttrium, rod, 100mm, diameter 12.5mm, cast, 99%
Yttrium, foil, 25x25mm, thickness 0.15mm, as rolled, 99%
Ytterbium, rod, 100mm, diameter 10.0mm, cast, 99%
Ytterbium, rod, 50mm, diameter 10.0mm, cast, 99%
Yttrium, foil, 50x50mm, thickness 0.125mm, as rolled, 99%
Ytterbium, foil, 50x50mm, thickness 0.25mm, as rolled, 99%