Abstract

A non-vacuum method for preparation of ZnO films via thermal oxidation of ZnS films deposited by thin layer thermolysis is described. Transmission electron microscopic studies reveals that the films are polycrystalline with preferentially oriented along (100) direction and grain size of 5–10 nm. The films have about 95% transmission in the visible-near infrared (VIS-NIR) region and an energy band gap of 3.22 eV.

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