Synthesis and Photoluminescence Study of Bi³⁺ and Pb²⁺ Activated Ca₃(BO₃)₂

Table 1

Molar ratio of ingredients used for material preparation.

Material	Molar ratio
Ca(1−𝑥)Bi𝑥3BO32	Ca(NO3)2 : Bi(NO3)3 : H3BO3 : CO(NH2)2 : NH4NO3
	3×(1−𝑥) : 3×𝑥 : 2 : 6 : 3
	(𝑥=0.001,0.002,0.003,0.005,0.01)
Ca(1−𝑥)Pb𝑥3BO32	Ca(NO3)2 : Pb(NO3)2 : H3BO3 : CO(NH2)2 : NH4NO3
	3×(1−𝑥) : 3×𝑥 : 2 : 6 : 3
	(𝑥=0.001,0.003,0.005,0.01,0.02,0.03,  0.04)