Intense-pulsed-light irradiation of Ag nanowire-based transparent electrodes for use in flexible organic light emitting diodes

Chang Hyun Song, Ki Hoon Ok, Chan Jae Lee, Youngmin Kim, Min Gi Kwak, Chul Jong Han, Namsu Kim, Byeong Kwon Ju, Jong Woong Kim

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

Silver nanowire (AgNW) based transparent electrodes are inherently coarse and therefore typically are only ever weakly bonded to a substrate. A remarkable improvement in the characteristics of a AgNW network film has, however, been achieved through a simple and short process of irradiating it with intense pulsed light (IPL). This not only avoids any severe deterioration in the optical characteristics of the AgNW film, but also significantly improves its electrical conductivity, adhesion to a polymeric substrate, and ability to endure bending stress. Most important of all, however, is the finding that the surface roughness of AgNW networks can also be improved by radiation. In a series of measurements made of organic light emitting diodes fabricated using these treated electrodes, it was revealed that the leakage current can be notably reduced by IPL treatment.

Original languageEnglish
Pages (from-to)208-215
Number of pages8
JournalOrganic Electronics: physics, materials, applications
Volume17
DOIs
Publication statusPublished - 2015 Jan 1

Fingerprint

Organic light emitting diodes (OLED)
Nanowires
nanowires
light emitting diodes
Irradiation
Electrodes
irradiation
electrodes
Substrates
deterioration
Silver
Leakage currents
Deterioration
surface roughness
adhesion
leakage
Adhesion
Surface roughness
silver
Radiation

ASJC Scopus subject areas

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

Cite this

Intense-pulsed-light irradiation of Ag nanowire-based transparent electrodes for use in flexible organic light emitting diodes. / Song, Chang Hyun; Ok, Ki Hoon; Lee, Chan Jae; Kim, Youngmin; Kwak, Min Gi; Han, Chul Jong; Kim, Namsu; Ju, Byeong Kwon; Kim, Jong Woong.

In: Organic Electronics: physics, materials, applications, Vol. 17, 01.01.2015, p. 208-215.

Research output: Contribution to journalArticle

Song, Chang Hyun ; Ok, Ki Hoon ; Lee, Chan Jae ; Kim, Youngmin ; Kwak, Min Gi ; Han, Chul Jong ; Kim, Namsu ; Ju, Byeong Kwon ; Kim, Jong Woong. / Intense-pulsed-light irradiation of Ag nanowire-based transparent electrodes for use in flexible organic light emitting diodes. In: Organic Electronics: physics, materials, applications. 2015 ; Vol. 17. pp. 208-215.
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AU - Kwak, Min Gi

AU - Han, Chul Jong

AU - Kim, Namsu

AU - Ju, Byeong Kwon

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