Abstract
In this study, inkjet-printed zinc tin oxide:Cl (ZTO:Cl) thin films were analyzed using x-ray diffraction, x-ray photoelectron spectroscopy (XPS) and all the films were annealed at temperatures ranging from 100°C to 600°C. XPS analysis showed that the formation of metal-oxide bonds in the films was complete with annealing temperatures at or above 500°C. Furthermore, inkjet-printed thin film transistors (TFTs) were examined using scanning electron microscopy and current–voltage characteristic measurements. The ZTO:Cl TFTs performed best when annealed at 500°C. The average carrier mobility and the on/off ratio were found to be 2.71 cm2/V s and 1.82 × 107, respectively.
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