Research Article

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

Table 4

Comparison of some characteristics of unsupported and supported Zn0.2Cd0.8S photocatalysts tested in water-splitting reaction in the same conditionsa.

Bulk Zn0.2Cd0.8SBulk Zn0.2Cd0.8SBulk CdSBulk CdS

Preparation methodSonochemicalCoprecipitationSonochemicalCoprecipitation
MorphologyHierarchical 3D morphologyHierarchical 3D morphologyHierarchical 3D morphologyHierarchical 3D morphology
H2 production at 5 h (μmol)1044981308243
(eV)2.342.262.212.20

aReaction conditions were  g,  mL, 350 W Xe, visible light irradiation time of 5 h, and 0.35 M Na2S/0.25 M Na2SO3 sacrificial agents.