The synergism between self-activated and impurity-related emissions of LiCaZnVO: lattice distortion, energy transfer and temperature sensing effect.

Some of the metal vanadates have special self-activated luminescence. In order to further enrich its luminous color, luminescent impurity ions can be introduced into its lattice. The interaction between the self-activated emission and the impurity-related emission remains to be studied.

A vanadate-based white light emitting luminescent material for temperature sensing.

Calcium magnesium vanadate-europium vanadate powders with a homogeneous distribution have been prepared by a sol-gel method followed by a sintering process. The as-prepared powders show both broadband emission around 520 nm and sharp peak emission at 617 nm under UV light excitation, which are ascribed to the one-electron charge transfer transition in the VO tetrahedra and the typical D → F transition of Eu. Energy transfer occurs between the vanadate and Eu ions.