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|Title:||X-ray photoelectron spectroscopic studies of H2SO4 protonated polyaniline|
|Authors:||Kang, E.T. |
X-ray photoelectron spectroscopy
|Citation:||Kang, E.T.,Neoh, K.G.,Woo, Y.L.,Tan, K.L. (1992). X-ray photoelectron spectroscopic studies of H2SO4 protonated polyaniline. Polymer 33 (13) : 2857-2859. ScholarBank@NUS Repository.|
|Abstract:||The protonation of polyaniline (PAN) by a non-volatile acid, H2SO4, has been studied by X-ray photoelectron spectroscopy. The amount of acid incorporated can be effectively varied by varying the synthesis conditions. At a sulphate/monomer ratio of > 0.5, both the HSO- 4 anion and adsorbed molecular H2SO4 can be quantitatively differentiated in the S2p core-level spectrum. The N1s core-level spectrum indicates that the amine units of the emeraldine oxidation state of PAN are also susceptible to protonation in the presence of excess H2SO4. © 1992.|
|Appears in Collections:||Staff Publications|
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