Research Article

Photocatalytic Activity and Optical Properties of Blue Persistent Phosphors under UV and Solar Irradiation

Table 1

Summary of the luminance values, energy band- gap estimated values, CIE coordinate, and morphology of the samples annealed at different temperatures.

Sample (Cd/m2)Energy gap (eV)CIE coordinates (, )Morphology

1000°C65.5(0.2934, 0.3355)Irregular micrograins
1150°C275.8(0.1708, 0.2209)Bars, grains, and hexagons
1200°C405.7(0.1589, 0.1972)Bars and hexagons
1300°C155.8(0.1637, 0.2048)Hexagons