The Influence of Codopant Aluminum Ions (Al³⁺) on the Optical Characteristics of YBO₃:Sm³⁺ Phosphors

Table 1

The average particle sizes of phosphors with different concentrations.

The average particle size of phosphors
concentration	0%	0.5%	1%	2%	3%	5%
Particle size (nm)	96	107	112	106	99	102