Method for producing film of vanadium pentoxide nanowires...

Details Method for producing film of vanadium pentoxide nanowires... Method for producing film of vanadium pentoxide nanowires...

2011-01-25

2011-01-25

Turocy, David (Department: 1715)

Coating processes

Immersion or partial immersion

C977S890000, C977S892000

Reexamination Certificate

active

07875320

ABSTRACT:
A method for producing a film of vanadium pentoxide nanowires having improved alignment is provided. The method comprises the steps of a) preparing a solution of vanadium pentoxide (V2O5) nanowires by a sol-gel method; b) diluting the solution of vanadium pentoxide nanowires with water and feeding the dilute aqueous solution into a Langmuir-Blodgett trough; c) adding a dispersant to the dilute aqueous solution of vanadium pentoxide nanowires; d) diluting a solution of a dioctadecyldimethylammonium halide with an organic solvent, applying the dioctadecyldimethylammonium halide solution to the surface of the dilute aqueous solution of vanadium pentoxide nanowires in the Langmuir-Blodgett trough, and allowing the solutions to stand to disperse the dioctadecyldimethylammonium halide solution in the Langmuir-Blodgett trough; e) controlling the surface pressure of the dioctadecyldimethylammonium halide solution using barriers mounted on the Langmuir-Blodgett trough; f) affixing a substrate to a dipping arm of the Langmuir-Blodgett trough and bringing the substrate into contact with the surface of the dioctadecyldimethylammonium halide solution; and g) separating the substrate from the dipping arm.

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