简介：Whitelight-emittingYVO_4：1mol.%Dy~（3＋）,xmol.%Eu~（3＋）phosphorpowderswithordermorphologyandwellcrystallizationwerehydrothermallysynthesizedat180°C.Themicrostructure,white-lightemission,andlight-emittingmechanismofthepowderswerecarefullystudiedusingX-raydiffractometry,scanningelectronmicroscopyandphotoluminescencespectra.TheexcitationandemissionspectraofthephosphorpowdersindicatedthecoexistenceofefficientenergytransferfromEu~（3＋）toDy~（3＋）andinefficientenergytransferfromDy~（3＋）toEu~（3＋）besidestheenergytransferfromVO_4~（3–）toEu~（3＋）.IncreasingtheEu~（~（3＋））concentrationinitiallyenhancedandthenweakenedtheluminescentintensityofDy~（3＋）.Thewhite-lightemissionsofYVO_4：1mol.%Dy~（3＋）,xmol.%Eu~（3＋）phosphorpowderswerebothrelatedtotheenergytransferbetweenVO_4~（3–）andDy~（3＋）/Eu~（3＋）,aswellasbetweenEu~（3＋）andDy~（3＋）.TheinefficientenergytransferfromDy~（3＋）toEu~（3＋）wasfirstfound.