Preparation of conductive films and their use as gas sensors

Ratcliffe, Norman M.

Abstract

An electrically-conductive polypyrrole film is formed, on a non-conducting substrate, by contacting the substrate with pyrrole and an oxidising agent in a solvent, or with the colloidal polypyrrole that is the reaction product thereof, and removing the substrate while the film is at least substantially transparent, e.g. 50 to 250 nm thick. A gas sensor comprises a chemiresistor prepared by this process.

• Publication Date: Feb 6, 1991
• Keywords: patent, conductive films, gas sensors
• Public URL: https://uwe-repository.worktribe.com/output/1110462
• Related Public URLs: http://www.google.com/patents/EP0411793A2?cl=en
• Additional Information: Patent Applicant : British Aerospace Public Limited Company