Continuous, atmospheric process to create organic clusters and nanostructured, functional films

Ramesh Jagannathan, Rajesh V. Mehta

Research output: Contribution to journalArticle

Abstract

An atmospheric process based on compressed CO 2 is used to create stack clusters of small organic molecules. These clusters, 1-10 nm in size, are used as building blocks to assemble thin films on various substrates. Cluster assembly of these films is verified by using low-angle X-ray diffraction. The surface quality of these cluster-assembled films is similar to that of films usually prepared via the vacuum process. Several functional organic light-emitting diode devices have been prepared, in which oaly the doped emissive layer has been deposited by our process. The radiometric features and efficiencies of these devices match those of vacuusirbuilt devices. Atomic force microscopy of these molecular clusters reveals that they are liquid-like at standard atmospheric conditions. Coatings of these clusters on cloth and stainless steel have been found to be superhydropfcobfe in nature.

Original languageEnglish (US)
Pages (from-to)633-639
Number of pages7
JournalAdvanced Functional Materials
Volume16
Issue number5
DOIs
StatePublished - Mar 20 2006

Fingerprint

Stainless Steel
Organic light emitting diodes (OLED)
Carbon Monoxide
Surface properties
Atomic force microscopy
Stainless steel
Vacuum
molecular clusters
X ray diffraction
Thin films
Coatings
meteorology
Molecules
Liquids
Substrates
stainless steels
light emitting diodes
assembly
atomic force microscopy
steels

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Science(all)
  • Condensed Matter Physics
  • Physics and Astronomy (miscellaneous)

Cite this

Continuous, atmospheric process to create organic clusters and nanostructured, functional films. / Jagannathan, Ramesh; Mehta, Rajesh V.

In: Advanced Functional Materials, Vol. 16, No. 5, 20.03.2006, p. 633-639.

Research output: Contribution to journalArticle

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