Sol-gel synthesis and optical improvement of novel red-emitting [LiY(1−x)Eux][MoyW(1−y)O4]2 powder for white LED applications

► Novel red-emitting Eu3+-activated phosphors prepared by a sol-gel method. ► Energy transfer possible mechanism model of the PL emission of [Li0.3Y0.82 Eu3+0.08]2 [Mo0.1W0.9O4]3. ► Very favorable phosphor [Li0.3Y0.82 Eu3+0.08]2 [Mo0.1W0.9O4]3 for LED application.