Characteristics of silver meshes coated with carbon nanotubes via spray-coating and electrophoretic deposition for touch screen panels

Title
Characteristics of silver meshes coated with carbon nanotubes via spray-coating and electrophoretic deposition for touch screen panels
Author
박진석
Keywords
Carbon nanotubes; Ag mesh electrodes; Spray-coating method; Electrophoretic deposition; Visible transmittance; Reflectance; Stability; TRANSPARENT CONDUCTIVE FILMS; PET SUBSTRATE; ELECTRODES; FABRICATION; LITHOGRAPHY; NANOWIRES; NETWORKS
Issue Date
2015-12
Publisher
ELSEVIER SCIENCE SA
Citation
THIN SOLID FILMS, v. 596, Page. 68-71
Abstract
This study demonstrates hybrid-type transparent electrodes for touch screen panels. The hybrid-type electrodes were fabricated by coating silver (Ag) meshes with carbon nanotubes (CNTs). Thin Ag films were deposited on glass substrates using the sputtering method, and were then patterned via photolithography to obtain mesh structures with a 10 mu m line width and 300 mu m line-to-line spacing. The Ag meshes were coated with CNTs using two different methods: spray coating and electrophoretic deposition (EPD). For the samples of Ag meshes with no CNT coating as well as of CNT-coated Ag meshes, the visible-range transmittance and reflectance as well as the surface morphology were characterized and compared. The change in sheet resistance due to long-term exposure to air with an 85 C temperature and 85% humidity was also measured. The experimental results indicated that the reflectance of the Ag mesh electrodes was substantially reduced by the CNT coating. Especially, the Ag mesh electrodes with EPD-coated CNTs showed excellent properties, such as higher than 80% transmittance, lower than 8% reflectance, and better stability. (C) 2015 Elsevier B.V. All rights reserved.
URI
https://www.sciencedirect.com/science/article/pii/S0040609015007919http://hdl.handle.net/20.500.11754/50038
ISSN
0040-6090
DOI
10.1016/j.tsf.2015.07.084
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ELECTRICAL ENGINEERING(전자공학부) > Articles
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