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Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/2541

Title: Modification of conductive polymer for polymeric anodes of flexible organic light-emitting diodes
Authors: Wang, Guangfeng
Tao, Xiaoming
Xin, John Haozhong
Fei, Bin
Subjects: PEDOT:PSS
Polymeric anode
Organic light-emitting diodes (OLEDs)
Field emission scanning electron microscopy (FESEM)
X-ray photoelectron spectroscopy (XPS)
Issue Date: Jul-2009
Publisher: Springer
Citation: Nanoscale research letters, July 2009, v. 4, no.7, p. 613-617.
Abstract: A conductive polymer, poly(3,4-ethylenedioxythiophene): poly(styrene sulfonate)(PEDOT:PSS), was modified with dimethyl sulfoxide (DMSO) in solution state, together with sub-sequential thermal treatment of its spin-coated film. The electrical conductivity increased by more than three orders of magnitude improvement was achieved. The mechanism for the conductivity improvement was studied at nanoscale by particle size analysis, field emission scanning electron microscopy (FESEM), and X-ray photoelectron spectroscopy (XPS). Smaller particle size was observed, resulting in larger contact area and better electrical conductive connections. Connection of conductive PEDOT increased on the surface of the PEDOT:PSS particles, which promoted high conductivity. Flexible anodes based on the modified PEDOT:PSS were fabricated. Flexible organic light-emitting diodes (FOLED) based the polymeric anodes have a comparable performance to those on indium–tin–oxide (ITO) anodes.
Description: DOI: 10.1007/s11671-009-9288-8
Rights: © to the authors 2009. The journal web page is located at: http://www.springerlink.com/content/568208xj7040650k/
Type: Journal/Magazine Article
URI: http://hdl.handle.net/10397/2541
ISSN: 1931-7573
Appears in Collections:ITC Journal/Magazine Articles

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