Journal
APPLIED NANOSCIENCE
Volume 6, Issue 2, Pages 235-241Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s13204-015-0425-7
Keywords
Thin film; Resistivity; Carrier concentration; Glass; Sol-gel
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In this study, pure ZnO and Al-doped ZnO thin films were developed on glass by sol-gel process followed by drying and annealing in air at 170 and 400 degrees C, respectively. The surface morphology and structural characteristics were determined through scanning electron microscopy, atomic force microscopy and X-ray diffraction. The Fourier transform infrared spectroscopy validated the formation of Al-doped ZnO film on glass substrate. It was evaluated that 1 at% aluminum (Al) doping in ZnO film showed low electrical resistivity and higher charge carrier concentration due to uniformly dispersed regular shape crystallites as compared to pure ZnO and 2 at% 'Al'-doped thin films.
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