Luminescence of Er/Yb and Tm/Yb Doped FAp Nanoparticles and Ceramics

IOP Conference Series: Materials Science and Engineering 2015
Larisa Grigorjeva, Krišjānis Šmits, Donāts Millers, Dzidra Jankoviča

The nanoparticles of hydroxiapatite and fluorapatite doped with Er/Yb and Tm/Yb were synthesized and characterized by FTIR, XRD, SEM and TEM methods. The results of up-conversion luminescence studies were presented for the samples as prepared, annealed at 500°C and at 900-1000 °C. At annealing above 800°C the ceramic state was formed. It is shown that fluorapatite host is more appropriate than hydroxiapatite host for rare ions luminescence and up-conversion processes. The post preparing annealing of nanarticles significantly enhanced the luminescence intensity. The Tm/Yb doped fluorapatite shows intense up-conversion luminescence in 790-800 nm spectral region and is potentially useful for biomedical applications.

Atslēgas vārdi
Hydroxiapatite, HAp, fluorapatite, FAp, luminiscence
DOI
10.1088/1757-899X/77/1/012036
Hipersaite
http://iopscience.iop.org/1757-899X/77/1/012036

Grigorjeva, L., Šmits, K., Millers, D., Jankoviča, D. Luminescence of Er/Yb and Tm/Yb Doped FAp Nanoparticles and Ceramics. IOP Conference Series: Materials Science and Engineering, 2015, Vol.77, 1.-6.lpp. ISSN 1757-8981. e-ISSN 1757-899X. Pieejams: doi:10.1088/1757-899X/77/1/012036

Publikācijas valoda
English (en)