Eu

3+

-doped Gd

2

Mo

3

O

9

was prepared by solid-state reaction route using Na

2

CO

3

as flux and characterized by powder X-ray diffraction.According to X-ray diffraction

this material is belongs to tetragonal system.The effects of flux content and sintering temperature on the luminescent properties were investigated by emission and excitation spectra.The results showed that flux content and sintering temperature have impact effects on the luminescent properties

the optimized flux content and the best sintering temperature is 3% and 800℃

respectively.The excitation and emission spectra also show that this phosphor can be effectively excited by C-T band(280nm)

ultraviolet light 395nm and blue light 465nm.The wavelengths at 395nm and 465nm are nicely fitting in with the widely applied emission wavelengths of ultraviolet or blue LED chips.Integrated emission intensity of Gd

2

Mo

3

O

9

:Eu is 2 times stronger than that of Y

2

O

2

S:Eu

3+

under 395nm excitation.The Eu

3+

doped Gd

2

Mo

3

O

9

phosphor may be a better phosphor candidate for solid-state lighting applications.