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Influence of Al, In codoping in enhancing the Figure of Merit of ZnO thin films for TCO Applications
Published online by Cambridge University Press: 19 January 2016
Abstract
AIZO (Al and In codoped ZnO) thin films were deposited on soda lime glass substrates by the ultrasonic spray pyrolysis (USP) technique. The spraying solution was prepared from zinc acetate dihydrate, aluminum acetyl acetonate and indium acetate. Depositions were carried out at three different temperatures, 425, 450 and 475 °C. Structural, morphological, optical and electrical properties were examined with respected to the deposition temperatures. All AIZO films grown with (002) preferential orientation confirmed from X-ray diffraction analysis. Hexagonal nanostructures were observed from Scanning electron microscopy (SEM) analysis. Minimum electrical resistivity of 2.52 x10-3 Ω-cm was achieved for AIZO films.
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