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|Title:||Protonation and doping behavior of polypyrrole films and powders||Authors:||Kim, D.Y.
|Issue Date:||1-Mar-1995||Citation:||Kim, D.Y.,Lee, J.Y.,Kim, C.Y.,Kang, E.T.,Tan, K.L. (1995-03-01). Protonation and doping behavior of polypyrrole films and powders. Synthetic Metals 69 (1-3) : 501-502. ScholarBank@NUS Repository.||Abstract:||The differences in protonation and charge transfer behavior between polypyrrole(PPY) powders and films doped with inorganic acids, or bulky acids, were assessed quantitatively by the X-ray photoelectron spectroscopic (XPS) technique. PPY-dodecylsulfate and PPY-toluene-4-sulfonate films with [N+]/[N] ratio over 40% can be readily prepared electrochemically. Treatment of these salt films with a base results in the 25% deprotonated PPY. UV-visible light spectroscopy shows little difference in structures of PPY formed chemically and electrochemically. © 1995.||Source Title:||Synthetic Metals||URI:||http://scholarbank.nus.edu.sg/handle/10635/91661||ISSN:||03796779|
|Appears in Collections:||Staff Publications|
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