Fabrication and optical properties of Y2O3: Eu3+ nanofibers prepared by electrospinning.
Y(2)O(3): Eu(3+) nanofibers with the average diameter of ~300 nm were in situ fabricated by electrospinning. X-ray diffraction (XRD) pattern confirmed that the Y(2)O(3): Eu(3+) nanofibers were composed of pure body-centered cubic (bcc) Y(2)O(3) phase. High-resolution transmission electron microscopy (HRTEM) results indicated that Y(2)O(3): Eu(3+) nanofibers were constituted of nonspherical crystalline grains, and these crystalline grains were orderly arranged along the axial direction of single nanofiber. These Y(2)O(3): Eu(3+) nanofibers showed a partially polarized photoluminescence (PL). The arrangement of crystalline grains and the mismatch of dielectric constant between Y(2)O(3): Eu(3+) nanofiber and its environment probably contributed together to the polarized PL from Y(2)O(3): Eu(3+) nanofiber.
Dong
Guoping
G
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Qinghe Road 390, Jiading District, Shanghai 201800, PR China.
Chi
Yingzhi
Y
Xiao
Xiudi
X
Liu
Xiaofeng
X
Qian
Bin
B
Ma
Zhijun
Z
Wu
E
E
Zeng
Heping
H
Chen
Danping
D
Qiu
Jianrong
J
D003460:Crystallization / Q000379:methods*; D005063:Europium / Q000737:chemistry*; D008163:Luminescent Measurements / Q000379:methods*; D008422:Materials Testing; D049329:Nanostructures / Q000737:chemistry* / Q000648:ultrastructure*; D036103:Nanotechnology / Q000379:methods; D010316:Particle Size; D012031:Refractometry; D012399:Rotation; D015019:Yttrium / Q000737:chemistry*
D005063:Europium; D015019:Yttrium; C091417:yttria