Polyaniline-based Coatings for Electronic Applications

Polyaniline (PANI) is a conductive polymer with excellent electrical conductivity lending it great utility in numerous electronics applications including electronic devices, sensors, batteries and more. While PANI can be easily deposited on many surfaces, it has difficulty with producing a dense coating on insulating substrates, such as plastic. Typical PANI synthesis leads to the formation of both precipitates and thin films, with the majority being precipitates.

 

Researchers at Arizona State University have developed an innovative in-situ polymerization technique to produce PANI films exclusively at interfaces. This selective PANI film formation produces high-quality conductive films without the formation of precipitates to ensure superior film quality and conductivity. The in-situ coating process operates under mild conditions, including at room temperature and in aqueous solutions, avoiding unwanted precipitates while delivering high-quality, stable conductive layers.

 

This technology allows for the selective formation of high-quality, dense, electrically conductive and mechanically stable PANI coatings on any insulating substrate.