Indium zinc oxide ohmic contact to poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate) induced by UV light

Abderrafia Moujoud, Sang Hoon Oh, Kon Yi Heo, Keun Woo Lee, Hyun Jae Kim

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

In this research, we investigated the I-V characteristics of ITO/PEDOT:PSS/InZnO devices for two sets of samples. The first set is composed of PEDOT:PSS as-prepared, while the second set is composed of PEDOT:PSS irradiated by UV light source. We found that UV irradiation improves the electrical conductivity of the fabricated devices and yields to ohmic contact. Based on the UPS measurements, it was found that UV irradiation leads to an increase in the work function and the enhancement of electrical conductivity of PEDOT:PSS films. XPS and AFM measurements indicate that conformational changes of the PEDOT:PSS films are responsible for this behavior. We also studied the effect of storage on the electrical properties of our devices. No significant changes of electrical characteristics have been found after storing the devices for a period of 30 days.

Original languageEnglish
Pages (from-to)785-790
Number of pages6
JournalOrganic Electronics
Volume10
Issue number5
DOIs
Publication statusPublished - 2009 Jan 1

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Zinc Oxide
Indium
Ohmic contacts
Zinc oxide
Ultraviolet radiation
zinc oxides
indium oxides
electric contacts
Irradiation
Electric properties
X ray photoelectron spectroscopy
electrical resistivity
irradiation
ITO (semiconductors)
light sources
electrical properties
atomic force microscopy
Electric Conductivity
poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate)
augmentation

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry
  • Electrical and Electronic Engineering

Cite this

Moujoud, Abderrafia ; Oh, Sang Hoon ; Heo, Kon Yi ; Lee, Keun Woo ; Kim, Hyun Jae. / Indium zinc oxide ohmic contact to poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate) induced by UV light. In: Organic Electronics. 2009 ; Vol. 10, No. 5. pp. 785-790.
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Indium zinc oxide ohmic contact to poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate) induced by UV light. / Moujoud, Abderrafia; Oh, Sang Hoon; Heo, Kon Yi; Lee, Keun Woo; Kim, Hyun Jae.

In: Organic Electronics, Vol. 10, No. 5, 01.01.2009, p. 785-790.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Indium zinc oxide ohmic contact to poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate) induced by UV light

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