期刊
ADVANCED MATERIALS
卷 29, 期 22, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201700505
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资金
- National Natural Science Foundation of China [21371165, 21590794, 21210001, 21521092]
- National Key Research and Development Program of China [2016YFB0701003]
- National Key Basic Research Program of China [2014CB643802]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB20000000]
- Youth Innovation Promotion Association of Chinese Academy of Sciences [2015181]
Upconversion (UC) nanoparticles (UCNPs) have evoked considerable attention in many fields owing to their fascinating features. However, rigorous synthesis conditions and expensive raw materials often limit their further applications. Here, a novel hexagonal phase NaBiF4 UC matrix through a very facile method (one min only at room temperature) is synthesized. The nanoparticles show good monodispersity with uniform size. Under the 980 nm irradiation, Yb3+/Ln(3+) (Ln = Er, Ho, Tm) codoped NaBiF4 nanoparticles show excellent UC luminescence (UCL). This super facile synthesis strategy and excellent matrix materials enable to achieve UCL in such low temperature, opening a new gateway for the UCNPs applied to a variety of areas in the future.
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