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Title: X-ray photoelectron spectroscopic studies of H2SO4 protonated polyaniline
Authors: Kang, E.T. 
Neoh, K.G. 
Woo, Y.L.
Tan, K.L. 
Keywords: H2SO4
X-ray photoelectron spectroscopy
Issue Date: 1992
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.
Source Title: Polymer
ISSN: 00323861
Appears in Collections:Staff Publications

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