Effect of reactive self-assembled monolayer at the anode interface of organic light-emitting diode

Sotaro Ono, Satoshi Usui, Seong Ho Kim, Kuniaki Tanaka, Rigoberto C. Advincula, Hiroaki Usui*

*この研究の対応する著者

研究成果: Article査読

5 被引用数 (Scopus)

抄録

Organic light-emitting diodes (OLEDs) were prepared on indium-tin oxide (ITO) substrates that were modified with various self-assembled monolayers (SAMs) including those which have reactive terminal units. The OLED performance was analyzed in terms of molecular length, dipole moment and HOMO level of SAM molecules estimated by the density functional theory calculation. It was suggested that the current efficiency of OLED is partly improved by controlling the carrier balance, interfacial dipole moment, and electron energy level by SAM modification. More importantly, remarkable improvement in OLED efficiency was achieved by chemically tethering the inorganic/organic interface via benzophenone-terminated SAM. The reactive SAM having benzophenone terminal group can be a promising tool to control the inorganic/organic interface for organic devices.

本文言語English
ページ(範囲)3407-3413
ページ数7
ジャーナルJournal of Nanoscience and Nanotechnology
16
4
DOI
出版ステータスPublished - 2016 4 1
外部発表はい

ASJC Scopus subject areas

  • バイオエンジニアリング
  • 化学 (全般)
  • 生体医工学
  • 材料科学(全般)
  • 凝縮系物理学

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