e-Journal of Surface Science and Nanotechnology
Online ISSN : 1348-0391
Regular Papers
Effects of Thermal Pressing on ZnO Nanoparticle Layers Deposited by Drop Casting
Toshiyuki YoshidaKazato ShinoharaDaiki ItoharaYasuhisa Fujita
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2016 Volume 14 Pages 175-178

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Abstract

ZnO nanoparticle (NP) layers were formed using a simple drop casting process. Applying thermal pressing clearly improved the surface morphology and electrical properties of the as-deposited ZnO NP layers as well as significantly enhanced the transistor characteristics of the NP layers. The effects of thermal pressing on the film surface properties were evaluated by X-ray photoelectron spectroscopy, Kelvin probe microscopy, and photoluminescence spectroscopy. Results suggest that thermal pressing improved the transistor characteristics by decreasing NP surface defects such as oxygen vacancies. [DOI: 10.1380/ejssnt.2016.175]

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