Simulation of Temperature Induced Colorimetric Shift of YAG:Ce0.06,GDx Phosphor

Ting Ji; Xiao Song Zhang; Qun Xi

doi:10.4028/www.scientific.net/AMM.55-57.675

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 55-57Simulation of Temperature Induced Colorimetric...

Simulation of Temperature Induced Colorimetric Shift of YAG:Ce_0.06,GD_x Phosphor

Abstract:

YAG:Ce_0.06,Gd_x phosphors were prepared by solid-state method, and temperature dependence of chromaticity coordinate and correlated color temperature of YAG:Ce_0.06,Gd_x are investigated. Three PL spectra all have broad emission band between 500 nm and 620 nm is assigned to the combination of the lowest energy of 5d bands and the ²F_5/2 and ²F_7/2 states respectively. With increasing temperature, the x values of chromaticity coordinates of YAG:Ce_0.06,Gd_x with Gd concentration increase all increase, but y values all decrease. Differently, z values do not show a clear trend. Moreover, correlated color temperature of YAG:Ce_0.06,Gd_x with Gd concentration increase all decrease with the temperature increase.

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Periodical:

Applied Mechanics and Materials (Volumes 55-57)

Pages:

675-679

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.55-57.675

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Online since:

May 2011

Authors:

Ting Ji, Xiao Song Zhang, Qun Xi

Keywords:

Chromaticity Coordinates, Computer Simulation, Correlated Color Temperature, Gd_X Phosphor, Photoluminescence (PL), YAG:Ce_0.06

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