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- Title
Structural and physical properties of boron doped ZnO films prepared by chemical spray pyrolysis method.
- Authors
Kerli, S.; Alver, U.; Tanriverdi, A.; Avar, B.
- Abstract
In this work, ZnO and boron doped ZnO (ZnO:B) thin films were produced by chemical spray pyrolysis method. ZnO and ZnO:B films were obtained onto glass substrates at 450°C by spray pyrolysis method and the physical properties of those films were examined by X-ray diffraction (XRD), scanning electron microscopy (SEM), ultraviolet-visible spectrometer (UV) and four probe technique. XRD measurements show that all films have hexagonal wurtzite structure and all films grow preferentially along (002) direction. Morphologies of the films were examined by using a scanning electron microscopy and it was observed that almost all films were quite intense with a regular structure. Optical measurements showed that the band gap energies of the films increased with boron concentrations. The resistances of the B-doped ZnO films were measured by four probe method and resistances of films initially decreased to its minimum 1 at% boron doping and then it increased again with increasing B concentration. It was also observed that that boron doping increased the activation energies of the films.
- Subjects
BORON; DOPING agents (Chemistry); ZINC oxide thin films; METALLIC glasses; SCANNING electron microscopy; WURTZITE
- Publication
Crystallography Reports, 2015, Vol 60, Issue 6, p946
- ISSN
1063-7745
- Publication type
Article
- DOI
10.1134/S1063774515060139