NDLI: Fabrication of a Touch Sensor for Flat Panel Displays Using Poly(3,4-ethylenedioxythiophene):Poly(styrene sulfonate) with Dimethylsulfoxide by Soft Lithography

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Fabrication of a Touch Sensor for Flat Panel Displays Using Poly(3,4-ethylenedioxythiophene):Poly(styrene sulfonate) with Dimethylsulfoxide by Soft Lithography

Content Provider	Scilit
Author	Lim, Seung-Kyu Park, Eun-Mi Kim, Jin-Soo Na, Seong-Hoon Park, Ho-Jun Oh, Yong-Soo Suh, Su-Jeong
Copyright Year	2012
Description	Journal: Japanese Journal of Applied Physics In this study, a transparent conductive-polymer-based sensor array designed for use in a touch screen panel was fabricated using soft lithography. One of the most promising conductive polymers, poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS), was used as the conductive material, and the secondary dopant dimethyl sulfoxide (DMSO) was used to increase the conductivity. The experiments were conducted using various DMSO concentrations in PEDOT:PSS in order to identify the optimum conditions to achieve high conductivity and transmittance. The electrical properties of PEDOT:PSS thin films were investigated using a four-point probe, and their transmittance was determined using an UV–vis spectrometer. The surface morphology was observed by field emission scanning electron microscopy (FE-SEM) and atomic force microscopy (AFM). A stable conductivity in the range of 110–204 S/cm was obtained at 0–30% DMSO concentrations, and the transmittances were greater than 92% in the visible range.
Related Links	http://iopscience.iop.org/article/10.1143/JJAP.51.096501/pdf
ISSN	00214922
e-ISSN	13474065
DOI	10.1143/jjap.51.096501
Journal	Japanese Journal of Applied Physics
Issue Number	9R
Volume Number	51
Language	English
Publisher	IOP Publishing
Publisher Date	2012-08-22
Access Restriction	Open
Subject Keyword	Journal: Japanese Journal of Applied Physics Analytical Chemistry
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Engineering

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