Luminescence of Er/Yb and Tm/Yb doped FAp nanoparticles and ceramics

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Abstract

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.

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Grigorjeva, L., Smits, K., Millers, D., & Jankovia, D. (2015). Luminescence of Er/Yb and Tm/Yb doped FAp nanoparticles and ceramics. In IOP Conference Series: Materials Science and Engineering (Vol. 77). Institute of Physics Publishing. https://doi.org/10.1088/1757-899X/77/1/012036

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