Studies on Structural and Optical Properties of Cu Doped Cd_xZn_(1-x)S Thin Films by Spray Pyrolysis.

摘要

Cu doped Cd_xZn_(1-x)S thin films have been produced by Spray Pyrolysis technique at 275°C±5°C. This work describes structural, surface morphology and optical (UV-Vis) properties of as-deposited Cu doped Cd_xZn_(1-x)S thin films as a function of Zn in the solution. It has been observed that CdZnS films have hexagonal structure and the grain sizes are found to increase with increasing Zn content in the solution. The energy band gap values obtained are 2.330, 2,447, 2.716, 3.044 and 3.519eV for Zn as 0, 25, 50, 75, and 100% respectively.