Abstract
Indium tin oxide (ITO) films were deposited on glass by super density arc plasma ion plating (SDAP-IP) method. In X-ray diffraction profiles, no obvious changes were found after O 2 plasma treatment. The transmittance, roughness, X-ray diffraction pattern, and sheet resistance also negligibly changed with O 2 plasma treatment. However, the water contact angle decreased with the O 2 plasma treatment, suggesting the increase of cohesive force between SDAP-IP ITO and organic materials. Synchrotron radiation photoemission spectroscopy showed that O 2 plasma treatment resulted in an increase of SDAP-IP ITO work function. Incorporation of oxygen atoms near the SDAP-IP ITO surface during the O 2 plasma treatment induced a peroxidic ITO surface, increasing the work function.
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