Structure and properties of the KNbW2O9 hexagonal bronze doped with Eu3+ ions as an optically active probe

Luminescent properties of Eu3+-activated molybdate-based novel red-emitting phosphors for LEDs

“…Molybdates and tungstates with scheelite structure are considered as good host lattice under near-UV or blue excitation due to its MoO 4 tetrahedron unit. Previous investigations [11][12][13][14] have showed that Eu 3+ -doped molybdates and tungstates exhibited relatively strong absorption in the near-UV region and intense red emission with good color purity. These results suggest that Eu 3+ -doped molybdates or tungstates may be the promising candidates as red-emitting phosphors for the LEDs applications.…”

“…A large number of luminescent materials based on rare-earth ions or rare-earth host lattices have been invented. Further more, the interest in solid-state materials of vandates [9,10], molybdates [11,12] and tungstates [13,14] doped with rare-earth ion has significantly grown because of their long wavelength properties and excellent chemical stabilities. The emission of rare-earth ions is due to the optical transitions within the f-manifold.…”

EDTA-mediated morphology and tunable optical properties of Eu3+-doped NaY(MoO4)2 phosphor

“…Compared with other available luminescence materials, such as organic fluorescent dyes and semiconductor quantum dots, rare-earth ion-doped materials have low toxicity, photostability, high thermal and chemical stability, high luminescence quantum yield (QY), and sharp emission bands [13]. There has been a growing interest in solid-state materials such as vanadates, tungstates, and molybdates doped with rare earths owing to their long wavelength excitation properties and excellent chemical stabilities [9,[14][15][16][17]. These compounds have broad and intense charge transfer absorption bands in the near ultraviolet (NUV) range and are, therefore, capable of efficiently capturing emissions over a large range of wavelengths with proper luminescent centers.…”

Comparative study on luminescent properties of LiLa2BO5:Eu3+ phosphors synthesized with different methods

“…There has been growing interest recently in studies on luminescence of trivalent rare earth ions in alkaline associated rare earth matrices, especially in relation to borates [18,19], molybdates [20,21], and tungstates [22,23]. Rare earth doped borates are especially attractive, because of their excellent chemical and thermal stability, which is due to the small alkaline earth content and the rigid covalent boron-oxygen network [24].…”