Self-assembled microarray of organic light-emitting diodes using a self-assembled monolayer by microcontact printing

Tae Hyun Park, Young Min Kim, Young Wook Park, Jin Hwan Choi, Jin Wook Jeong, Kyung Cheol Choi, Byeong Kwon Ju

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A self-assembled microarray (SAMA) of organic light-emitting diodes (OLEDs) has been fabricated using self-assembled monolayers (SAMs) by microcontact printing (μCP). The hydrophobic methyl-terminated SAMs modify the surface properties of the substrates to become hydrophobic, i.e., with low surface energy. Thus, the hydrophobic SAMs pattern, by the μCP, can be applied to form SAMAs on the patterned SAMs since the difference of the local surface energy modifies the patterns on the substrates. In this study, octadecyltrichlorosilane based hydrophobic methyl-terminated SAMs have been used and the fabricated OLEDs, with the SAMAs show local light emissions on the micron scale with efficient performances.

Original languageEnglish
Article number113310
JournalApplied Physics Letters
Volume95
Issue number11
DOIs
Publication statusPublished - 2009

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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