Composition

Crystallite size by TEM (nm)

Crystallite size by XRD (nm)

Band gap (eV)

Degradation rate (min^-1 )

CdS

3 ± 1.7

3.2 ± 1.8

3.64

0.0426

CdS + Ag

3.2 ± 1.4

3.5 ± 1.2

3.43

0.0212

CdS + Fe

3.6 ± 1.3

4.1 ± 1.1

3.50

0.0201

CdS + Zn

3.9 ± 1.6

4.4 ± 1.3

3.35

0.0034