Progress in Study on Conducting Polymer Polyaniline

In this paper the progress in study on conducting polymer polyaniline(PANI) is reviewed.The structure and properties of PANI and the mechanism of its electrical and optical behaviors are presented.The doping of PANI and the preparation of PANI film are introduced in detail.And the application of PANI as sensor is also summarized in this paper.The difficult and the future of the PANI's research are shown in this paper.