采用水热法制备了白光LED用NaGd0.95-x（WO4）2∶0.05Eu3＋,xBi3＋（x=0,0.02,0.04,0.06,0.08）和NaGd0.95-y（WO4）2∶0.05Eu3＋,ySm3＋（y=0,0.01,0.02,......