Abstract
Indium tin oxide (ITO) thin films were deposited on quartz substrates by radio frequency (RF) sputtering with different RF power (100–250 W) using the powder target at room temperature. The effect of sputtering power on their structural, electrical and optical properties was systematically investigated. The intensity of (400) orientation clearly increases with the sputtering power increases, although the films have (222) preferred orientation. Increasing sputtering power is benefit for lower resistivity and transmittance. The films were annealed at different temperature (500–800 °C), then we explored the relationship between their electro-optical and structural properties and temperature. It has been observed that the annealed films tend to have (400) orientation and then show the lower resistivity and transmittance. The ITO thin film prepared by RF sputtering using powder target at 700 °C annealing temperature and 200 W sputtering power has the resistivity of 2.08 × 10−4 Ω cm and the transmittance of 83.2 %, which specializes for the transparent conductive layers.
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Acknowledgments
This work is sponsored by the National Natural Science Foundation of China (Grant Nos. 21176051 and 61166008), the Key Project of Chinese Ministry of Education (No. 211141), Guangxi Natural Science Foundation (2012GXNSFFA060002 and 2013GXNSFBA019234) and Guangxi Key Laboratory of Information Materials Foundation (1110908-05-K) and Guangxi Experiment Center of Information Science, Guilin University of Electronic Technology (20130322).
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Zhu, G., Yang, Z. Effect of sputtering power and annealing temperature on the properties of indium tin oxide thin films prepared from radio frequency sputtering using powder target. J Mater Sci: Mater Electron 24, 3646–3651 (2013). https://doi.org/10.1007/s10854-013-1298-8
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DOI: https://doi.org/10.1007/s10854-013-1298-8