Affiliation:
1. University of Electronic Science and Technology of China
Abstract
A simple solar-blind ultraviolet (UV) detector was fabricated by using Al0.3Zn0.7O alloy thin films as photocathode and ZnO:Al (AZO) thin film as transparent electrode. Transmission spectra of Al0.3Zn0.7O alloy thin film was characterized through spectrometer and result showed significant enlargement of its optical band gap value. This alloy film only absorbed illumination whose wavelength is below 280nm, and the UV on/off characteristics of this detector presented very clearly. Scanning electron microscope (SEM) image revealed fine structure of both layers and the interface of these two layers performed clear and uniform.
Publisher
Trans Tech Publications, Ltd.
Cited by
1 articles.
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