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Uniform Nanostructured Arrays of Sodium Rare‐Earth Fluorides for Highly Efficient Multicolor Upconversion Luminescence
Author(s) -
Zhang Fan,
Wan Ying,
Yu Ting,
Zhang Fuqiang,
Shi Yifeng,
Xie Songhai,
Li Yigang,
Xu Lei,
Tu Bo,
Zhao Dongyuan
Publication year - 2007
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200702519
Subject(s) - photon upconversion , rare earth , hydrothermal circulation , hexagonal crystal system , fluorescence , luminescence , materials science , nanotechnology , rod , nanoparticle , metal , optoelectronics , chemical engineering , crystallography , chemistry , optics , physics , metallurgy , medicine , alternative medicine , pathology , engineering
Array of light : Nanostructured arrays of NaMF 4 (M=rare earth metal) can be prepared by a hydrothermal method. The arrays consist of nanoparticles with well‐controlled morphologies (tubes, disks, or rods), phases (cubic or hexagonal), and sizes (80–900 nm). Multicolor upconversion fluorescence is realized in arrays of NaYF 4 codoped with Er 3+ and Yb 3+ or with Tm 3+ and Yb 3+ (see picture).