Abstract
Annealing Temperature Dependence of Upconversion Phosphor of TiO2-ZnO Doped with Yb3+ and Tm3+
Highlights
Upconversion (UC) luminescent materials have been attracting significant attention recently owing to their potential use in a variety of fields.[1,2,3,4] When excited by light of a particular wavelength, ordinary luminescent materials discharge light with a wavelength longer than that of the incident light
The metal-organic decomposition (MOD) solutions and Tm2O3 powder were mixed so that the molar ratio of the elements was Ti:Zn:Yb:Tm = 1:1:0.06:0.04. 0.05 ml of the mixed MOD solution was applied to a Si substrate [100], which was dried at 100 °C for 10 min
The X-ray diffractometer (XRD) pattern of the sample fabricated using Tm2O3 powder that was annealed at 850 °C is shown
Summary
Upconversion (UC) luminescent materials have been attracting significant attention recently owing to their potential use in a variety of fields.[1,2,3,4] When excited by light of a particular wavelength, ordinary luminescent materials discharge light with a wavelength longer than that of the incident light. This difference in energy is referred to as the Stokes shift and is attributed to the thermal energy generated within the material. Their luminous efficiency is inferior to that of fluorides
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