Phosphor

Materials science

Chromatography

Mineralogy

Persistent luminescence

Inorganic chemistry

Thermoluminescence

Environmental chemistry

Luminescence

Composite material

Analytical Chemistry (journal)

Chemistry

Scanning electron microscope

Optoelectronics

Journal of the American Ceramic Society

Adjusting the elemental composition of a host is regarded to be an effective strategy to tune its luminescent properties such as peak energy, emission efficiency, and bandwidth. In this work, the cation substitution of (Ba 2+ → Sr 2+ ) in self‐activated Sr 6 V 2 O 11 was conducted to investigate the luminescence modification. All the phosphors of Sr 6‐6 x Ba 6 x V 2 O 11 ( x = 0, 0.1, 0.2, 0.3, 0.4, 0.5) were synthesized by the traditional chemical sol‐gel method. The morphological properties were measured through scanning electron microscope and energy dispersive spectrum measurements. The cation substitution brings out the disorder in the structure, which exerts modifications on the luminescence properties of Sr 6 V 2 O 11 . The luminescence intensity and corresponding decay lifetime were enhanced with the cation disorder in the self‐activated phosphor. Cation disorder in a phosphor lattice could be one of the effective approaches to improve the luminescence efficiency.

Improvement of self‐activated luminescence from introduced cation disorder in Sr6V2O11