Fabrication of self-assembled monolayers using CO2

A self-assembled monolayer (SAM) is fabricated using either a semi-fluorinated sulphur containing compound or a semi-fluorinated silane derivative and compressed carbon dioxide (CO2) as the solvent medium. The temperature and/or pressure of the compressed CO2 may be varied during the fabrication pro...

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Bibliographische Detailangaben
Hauptverfasser:	WILHELM HUCK, HITOSHI FUKUSHIMA, SATORU MIYASHITA, ANDREW HOLMES, CHRISTINE KEIKO LUSCOMBE, MASAYA ISHIDA
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL CORRECTION OF TYPOGRAPHICAL ERRORS DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LINING MACHINES METALLURGY PERFORMING OPERATIONS PRINTING PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SELECTIVE PRINTING MECHANISMS SPRAYING OR ATOMISING IN GENERAL STAMPS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A self-assembled monolayer (SAM) is fabricated using either a semi-fluorinated sulphur containing compound or a semi-fluorinated silane derivative and compressed carbon dioxide (CO2) as the solvent medium. The temperature and/or pressure of the compressed CO2 may be varied during the fabrication process to improve the molecular packing density of the monolayer. A co-solvent may be used in conjunction with the compressed CO2. The substrate may be a metallic substance. Also claimed are inkjet heads, electronic, optical or optoelectronic devices, e.g. a thin film transistor, an organic semiconductor device, or a light emitting diode, comprising a self-assembled monolayer constructed by the process.