TY - JOUR
T1 - Synthesis and luminescence properties of erbium-doped y2O 3 nanotubes
AU - Mao, Yuanbing
AU - Huang, Jian Y.
AU - Ostroumov, Roman
AU - Wang, Kang L.
AU - Chang, Jane P.
PY - 2008/2/21
Y1 - 2008/2/21
N2 - Erbium-doped yttrium oxide nanotubes (Er3+:Y2O 3 NTs) with 0-100% doping levels were synthesized by a hydrothermal procedure followed by a dehydration process from Er3+:Y(OH) 3 NTs. The as-synthesized Er3+:Y2O3 nanotubes ranged from 100 to 400 nm in outer diameter and 2 to 5 μm in length with a hexagonal cross section. A time-dependent nanostructure evolution study was performed under hydrothermal conditions, and the effects of other processing parameters, including pH, concentration, and ionic strength of the precursor solution as well as the time span for adding the alkaline solution, were found to dictate the purity and morphology of the as-synthesized Er 3+:Y(OH)3 nanostructures. A kinetics-controlled dissolution-recrystallization mechanism is proposed to explain the anisotropic growth of these hollow nanotubes from the hexagonal crystal structure of yttrium and erbium hydroxides. Outstanding room-temperature photoluminescence around 1535 nm was demonstrated for these Er3+:Y2O3 NTs, making them promising for optical amplifier, laser, and active waveguide applications in telecommunications.
AB - Erbium-doped yttrium oxide nanotubes (Er3+:Y2O 3 NTs) with 0-100% doping levels were synthesized by a hydrothermal procedure followed by a dehydration process from Er3+:Y(OH) 3 NTs. The as-synthesized Er3+:Y2O3 nanotubes ranged from 100 to 400 nm in outer diameter and 2 to 5 μm in length with a hexagonal cross section. A time-dependent nanostructure evolution study was performed under hydrothermal conditions, and the effects of other processing parameters, including pH, concentration, and ionic strength of the precursor solution as well as the time span for adding the alkaline solution, were found to dictate the purity and morphology of the as-synthesized Er 3+:Y(OH)3 nanostructures. A kinetics-controlled dissolution-recrystallization mechanism is proposed to explain the anisotropic growth of these hollow nanotubes from the hexagonal crystal structure of yttrium and erbium hydroxides. Outstanding room-temperature photoluminescence around 1535 nm was demonstrated for these Er3+:Y2O3 NTs, making them promising for optical amplifier, laser, and active waveguide applications in telecommunications.
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U2 - 10.1021/jp0773738
DO - 10.1021/jp0773738
M3 - Article
AN - SCOPUS:39849084372
SN - 1932-7447
VL - 112
SP - 2278
EP - 2285
JO - Journal of Physical Chemistry C
JF - Journal of Physical Chemistry C
IS - 7
ER -