title: Microwave-assisted one-pot synthesis of water-soluble rare-earth doped fluoride luminescent nanoparticles with tunable colors.
abstract: Polyethyleneimine (PEI) functionalized multicolor luminescent LaF(3) nanoparticles were synthesized via a novel microwave-assisted method, which can achieve fast and uniform heating under eco-friendly and energy efficient conditions. The as-prepared nanoparticles possess a pure hexagonal structure with an average size of about 12 nm. When doped with different ions (Tb(3+) and Eu(3+)), the morphology and structure of the nanoparticles were not changed, whereas the optical properties varied with doped ions and their molar ratio, and as a result emission of four different colors (green, yellow, orange and red) were achieved by simply switching the types of doping ions (Eu(3+) versus Tb(3) +) and the molar ratio of the two doping ions.
authors.affiliation: Department of Chemistry, Northeastern University, Shenyang 110819, PR China.
authors.forename: Cong-Cong
authors.initials: CC
authors.lastname: Mi
authors.forename: Zhen-Huang
authors.initials: ZH
authors.lastname: Tian
authors.forename: Bao-Fu
authors.initials: BF
authors.lastname: Han
authors.forename: Chuan-Bin
authors.initials: CB
authors.lastname: Mao
authors.forename: Shu-Kun
authors.initials: SK
authors.lastname: Xu