Redoping can help

see my answers in your other question which you published 2 days later

Douniazad Mezdour Polyaniline emeraldine salt is already doped, if you have an idea this can make a sense for me.

Bernhard Wessling Thank you.

Try to synthesized at quantum level it will definitely increase the conductivity of polyaniline salt.

You can swell your film in an aqueous solution of your doping acid