Lightweight flexible carbon nanotube/polyaniline films with outstanding EMI shielding properties

Lightweight flexible carbon nanotube (CNT)/polyaniline (PANI) free standing films having the highest reported specific shielding effectiveness (SSE) of 7.5 x 10(4) dB cm(2) g(-1) were developed using amine-functionalized CNTs, which could be attributed to the high conductivity (3009 S cm(-1)) and low density of the amine-functionalized CNT/PANI composites. The mechanism behind the high conductivity is also studied.