Optical and structural properties of nanocrystalline copper oxide thin films prepared by activated reactive evaporation

Title Optical and structural properties of nanocrystalline copper oxide thin films prepared by activated reactive evaporation
Author: Balamurugan, B. & Mehta, B.R.
Thin Solid Films, September 2001
2001
http://linkinghub.elsevier.com/retrieve/pii/S0040609001012160
More details: Nanocrystalline Cu2O thin films have been synthesized using an activated reactive evaporation technique. Structural and optical characterizations of these films have been carried out using: glancing angle X-ray diffractometer; Fourier transform infrared spectrometer; transmission electron microscope; and UV-VIS-NIR spectrophotometer. The nanocrystallite size in these films was varied by varying deposition parameters. Optical studies show a direct allowed transition and a shift in the optical absorption edge from the bulk value with nanocrystallite size and stoichiometry of these films. These results show that single phase nanocrystalline Cu2O thin films can be synthesized at a relatively low substrate temperature using the activated reactive evaporation technique. These studies indicate that nanocrystallinity results in the stability of cubic Cu2O phase in these films. ?? 2001 Elsevier Science B.V. All rights reserved.Cuprous oxide,Nanocrystalline thin films,Optical properties,Structural properties,X-Ray diffraction
ISBN0040-6090