Journal Article UV Light Induces Dedoping of Polyaniline

Kaitsuka, Yuki  ,  Goto, Hiromasa

8 ( 2 )  , p.34 , 2016-02 , MDPI
UV (Ultra-Violet) light-driven change in optical absorption of polyaniline (PANI) is reported. Irradiation of UV light to PANI/camphor sulfonic acid prepared by electrochemical polymerization allows dedoping of the PANI. Especially, UV light irradiation in the presence of a radical trap agent effectively reduces (dedoping) the PANI. The result in this study is quite simple; however, this may be a first report for light-induced dedoping (color change) of a conductive polymer.

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