Preparation of micropatterned organic light emitting diodes by self-organization

Olaf Karthaus, Chihaya Adachi, Shiho Arakaki, Ayataka Endo, Toshihiro Wada

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

A dewetting process of an evaporating solution is used to form micrometer-sized amorphous droplets, or domes, of the low molar mass solute on substrates such as silicon, mica, glass, and indium-tin-oxide. Using dewetting, the organic hole transporting material of organic light emitting diodes was patterened into micrometer-sized domes on an indium-tin-oxide electrode. Annealing led to a structural change of the domes, which was investigated by optical and electron microscopes. The dewetted dome samples were then coated with electron transport material and top electrode to give functioning organic light emitting diodes devices.

Original languageEnglish
Pages (from-to)87-94
Number of pages8
JournalMolecular Crystals and Liquid Crystals
Volume444
DOIs
Publication statusPublished - Jun 16 2006
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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