Optical and Photocatalytic Properties of Cu_xS/ZnO Composite Thin Films Deposited by Robotic Spray Pyrolysis Deposition

Table 1

EDX results of the Cu_xS-ZnO composites as deposited at 300°C and after treatment at 400°C.

CuxS-ZnO as deposited at 300°C		CuxS-ZnO after annealing at 400°C
Elements	Atomic %	Elements	Atomic %
Zn	21.47	Zn	15.28
O	44.28	O	52.30
Cu	15.17	Cu	15.21
S	10.73	S	8.71
Cl	0.89	Cl	—
Si	6.46	Si	7.21
Ca	1.00	Ca	1.28