Investigation of Annealing and Crystallite Size on the Photoluminescence Properties of Ca₂Al₂SiO₇: Eu Phosphors Prepared by Spray Pyrolysis

Table 1

CIE chromaticity coordinates of Ca₂Al₂SiO₇: Eu phosphors as a function of temperature difference (λe_x = 394 nm).

	Temperature (°C)	CIE (x, y)
		x	y
Ca2-xAl2SiO7:xEu^3+	1100	0.636	0.363
	1200	0.636	0.364
	1300	0.637	0.362
	1400	0.636	0.364
	1500	0.367	0.362