Spectral characterization and white light generation by yttrium silicate nanopowders undoped and doped with Ytterbium(III) at different concentrations when excited by a laser diode at 975 nm

Hatun Cinkaya*, Gonul Eryurek, Gokhan Bilir, John Collins, Baldassare Di Bartolo

*Bu çalışma için yazışmadan sorumlu yazar

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12 Atıf (Scopus)

Özet

We have studied nanophosphors of yttrium silicate (YSO) undoped and doped with different concentration of ytterbium (Yb3+) synthesized by using the sol-gel method. Structural and luminescence properties of the nanophosphors were studied experimentally by using different analytical techniques. For the structural analysis, we performed X-ray diffraction (XRD), Transmission Electron Microscopy (TEM) and Energy Dispersive X-ray Spectrometry (EDS) measurements. Upconversion (UC) and the white light (WL) emission properties were investigated by using the near infrared cw laser excitation of 975 nm. The spectral properties have been found to depend on several physical parameters.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)167-172
Sayfa sayısı6
DergiOptical Materials
Hacim63
DOI'lar
Yayın durumuYayınlandı - 1 Oca 2017

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Publisher Copyright:
© 2016 Elsevier B.V.

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