Rare Earth Free Zn₃V₂O₈ Phosphor with Controlled Microstructure and Its Photocatalytic Activity

Table 1

Photophysical and photocatalytic activities of Zn₃V₂O₈ phosphor synthesized by different methods.

Preparation method	Annealing condition	Emission maxima (nm)	PL quantum yield (%)	Particle size (𝜇m)	BET surface area (m^2/g)	Rate constant (min^−1)
Hydrothermal	775°C 12 h	580	52	3–5	8.16	0.0017
Combustion	530°C 10 min (~770°C)	580	60	1–3	5.81	0.0015
Sol-gel	775°C 12 h	580	32	10–12	2.01	0.0009
Solid state	775°C 12 h	580	26	10–30	1.06	0.0007