Supramolecular ordering of tripod dyes at the air/water interface

Sang Gil Youm, Keewook Paeng, Young Wook Choi, Sungjin Park, Daewon Sohn, Young Soo Seo, Sushil K. Satija, Bong Gi Kim, Sehoon Kim, Soo Young Park

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

Monolayers of 2-(3,4,5-(trisdodecyloxyl)phenyl)[1,3,4]oxadiazole based "tripod" dye, P2G, has been studied at the air/water interface with in situ X-ray reflectivity. Compression of the disordered Langmuir-Blodgett monolayer film induces a transition to a unique ordered phase, representing a supramolecular assembly with a unique spatial distribution and orientation of the molecules. At low pressure, the molecules having face-on orientation are interdigitated by the three arms. After first transition in the π-A isotherm, the molecular conformation is turned into an edge-on orientation, where the molecules are self-assembled into supramolecular structures.

Original languageEnglish
Pages (from-to)5647-5650
Number of pages4
JournalLangmuir
Volume21
Issue number13
DOIs
Publication statusPublished - 2005 Jun 21
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

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