Patent ID: 7109136

Claim:
A conductive polymer membrane article, having a conductivity selected from the group consisting of electrical, ionic, and photoelectric, said article comprising: a non-woven membrane of polymer fibers, wherein at least some of the fibers have diameters of less than one micron; said polymer fibers are formed from a spin dope that includes: a matrix polymeric material, a conductive polymer and conducting nanoparticles, said matrix polymeric material include polymer selected from the group consisting of polyurethane (PU), polyethylene oxide (PEO), polylactic acid (PLA), polyvinyl acetate (PVA), and cellulose acetate, said conductive polymer selected from the group consisting of polythiophene, polyphenol, polyacetylene and polyphenylene, and said nonwoven membrane has an electrical conductivity of at least about 10 −6 S/cm, wherein said matrix polymeric material further includes a photo-reactive dye, said dye being selected from the group consisting of phthalocyanines, ruthenium complexes with organic ligands, and porphyrins.