Influence of Zn in the CdS Crystal Lattice and Its Impact over the Catalytic Activity in the H₂ Production

Table 1

Crystallite size (from XRD), wavelength (), and energy band gap estimation () of pure CdS and Zn_0.2Cd_0.8S solid solution obtained by coprecipitation and assisted by ultrasonic radiation.

Catalyst	Crystal size (nm)	(nm)
CdS	8.61	564	2.20
CdS-SQ	4.37	562	2.21
Zn0.2Cd0.8S	7.92	548	2.26
Zn0.2Cd0.8S-SQ	3.80	530	2.34