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Title: Work function engineering of electrodes via electropolymerization of ethylenedioxythiophenes and its derivatives
Authors: Shi, Yumeng
Luo, Shyh-Chyang
Fang, Wenjing
Zhang, Keke
Ali, Emril Mohamed
Boey, Freddy Yin Chiang
Ying, Jackie Y.
Wang, Junling
Yu, Hsiao-hua
Li, Lain-Jong
Keywords: DRNTU::Engineering::Materials
Issue Date: 2008
Source: Shi, Y., Luo, S. C., Fang, W., Zhang, K., Ali, E. M., Boey, F. Y. C., et al. (2008). Work function engineering of electrodes via electropolymerization of ethylenedioxythiophenes and its derivatives. Organic Electronics, 9(5), 859-863.
Series/Report no.: Organic electronics
Abstract: The work functions of two commonly used electrodes, Au and indium-tin-oxide (ITO), can be modified by surface-electropolymerization of ethylenedioxythiophenes (EDOT) or its derivatives. The resulting work function is tunable continually by varying the electropolymerization condition. The value of work function of ITO (or Au) electrodes can be adjusted to decrease by 0.6 eV (or increase by 0.4 eV) when the deposited EDOT film is thin (<40 nm). By contrast, when the EDOT film deposited with thickness greater than 40 nm, the work function is controlled by the intrinsic property of the polymers regardless of the electrode materials. A diode devices with EDOT–COOH modified on ITO surface demonstrates the possibility of improving contact property in organic electronics using the proposed method.
ISSN: 1566-1199
DOI: 10.1016/j.orgel.2008.06.006
Schools: School of Materials Science & Engineering 
Rights: © 2008 Elsevier B.V. This is the author created version of a work that has been peer reviewed and accepted for publication by Organic Electronics, Elsevier B.V. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at:[DOI:].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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