Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/67601
Title: X.p.s. studies of charge transfer interactions in some polyaniline complexes
Authors: Kang, E.T. 
Neoh, K.G. 
Khor, S.H. 
Tan, K.L. 
Tan, B.T.G. 
Keywords: charge transfer
chemical structures
halobenzoquinones
polyaniline
protonation
X.p.s.
Issue Date: Feb-1990
Source: Kang, E.T.,Neoh, K.G.,Khor, S.H.,Tan, K.L.,Tan, B.T.G. (1990-02). X.p.s. studies of charge transfer interactions in some polyaniline complexes. Polymer 31 (2) : 202-207. ScholarBank@NUS Repository.
Abstract: The imine, amine and positively charged nitrogen in polyaniline at various oxidation states can be quantitatively differentiated in the properly deconvoluted N1s X-ray photoelectron spectroscopy (X.p.s.) core-level spectrum. The structural changes of polyemeraldine base during 'doping' by protonic acid and by proton-free organic acceptors, such as the halobenzoquinones, were compared. X.p.s. results suggest the presence of halogen and benzoquinone anions in the latter complexes. The mechanism of interactions with the organic acceptors was found to be analogous to that of protonation, with the charge transfer interactions occurring preferentially at the imine repeating units. © 1990.
Source Title: Polymer
URI: http://scholarbank.nus.edu.sg/handle/10635/67601
ISSN: 00323861
Appears in Collections:Staff Publications

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