Journal ArticleDOI
Protonation of the amine nitrogens in emeraldine — evidence from X-ray photoelectron spectroscopy
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TLDR
In this paper, the protonations of the emeraldine (EM) oxidation state of polyaniline (PAN) by nonvolatile protonic acids, such as H2SO4 and HClO4, have been studied by X-ray photoelectron spectroscopy.About:
This article is published in Synthetic Metals.The article was published on 1992-02-01. It has received 42 citations till now. The article focuses on the topics: Protonation & X-ray photoelectron spectroscopy.read more
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Journal ArticleDOI
Polyaniline: a polymer with many interesting intrinsic redox states
TL;DR: The ability of aniline polymers to exist in a large number of intrinsic redox states makes them a unique and interesting class of polymeric materials as mentioned in this paper, and a number of fine reviews on the synthesis, physicochemical and electrochemical properties of the polymer have also appeared during this period.
Journal ArticleDOI
Comparative XPS surface study of polyaniline thin films
TL;DR: In this article, polyaniline films of different thickness have been deposited electrochemically at two different potentials of 0.8 and 1.2 V. Characterization of the surface composition of the material: oxid...
Journal ArticleDOI
Properties of electronically conductive polyaniline: a comparison between well-known literature data and some recent experimental findings
TL;DR: In this article, the synthesis and properties of polyaniline are discussed. But the most important result in this paper is a totally new reaction mechanism for the synthesis of polyanoiline, being the most detailed and comprehensive mechanism published to date.
Journal ArticleDOI
Electrosynthesis of adherent polyaniline films on iron and mild steel in aqueous oxalic acid medium
TL;DR: Polyaniline (PANi) films can be electrosynthesized by oxidation of aniline on iron and mild steel in a one-step process from an aqueous oxalic acid medium which passivates substrates as mentioned in this paper.
Book ChapterDOI
X-ray photoelectron spectroscopic studies of electroactive polymers
TL;DR: The electroactive polymers most commonly studied during the past decade include polyacetylene, polyaniline, polypyrrole, polythiophene, polyphenylene and some non-conjugated polymers, such as polyvinylpyridine and poly(N-vinylcarbazole) as mentioned in this paper.
References
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Journal ArticleDOI
Polyaniline: a new concept in conducting polymers
TL;DR: In this paper, the emeraldine oxidation state of polyaniline was converted from an insulator to a metal by treatment with 1M aqueous HCl to form the corresponding salt, emeraldines hydrochloride.
Journal ArticleDOI
“Polyaniline”: Interconversion of Metallic and Insulating Forms
Alan G. MacDiarmid,J. C. Chiang,Marc Halpern,W. S. Huang,Shao-Lin Mu,L. D Nanaxakkara,Somasiri Wanqun Wu,Stuart I. Yaniger +7 more
TL;DR: In this paper, the qulnoid-benzenoid-diimine form is doped by dilute aqueous protonic acids to the metallic regime to give the corresponding iminium salt.
Journal ArticleDOI
Synthesis of self-doped conducting polyaniline
Jiang Yue,Arthur J. Epstein +1 more
TL;DR: Caracterisation par spectrometrie UV, FTIM et RPE des polymeres obtenus par sulfonation de la polyaniline, sont solubles en solution aqueuse basique.
Journal ArticleDOI
Polyaniline: Solutions, Films and Oxidation State
M. Angelopoulos,G.E. Asturias,S. P. Ermer,Anjan Ray,E. M. Scherr,Alan G. MacDiarmid,M. Akhtar,Z. Kiss,Arthur J. Epstein +8 more
TL;DR: The emeraldine oxidation state of polyaniline in its base form, "emeraldine base" can be solution-processed to yield large flexible films which can be doped to the metallic conducting regime (σ ∼ 1-5 S/cm).
Journal ArticleDOI
Polyaniline: Doping, structure and derivatives
TL;DR: In this article, it was shown that the oxidation state of the leucoemeraldine base form of polyaniline can vary depending on whether its synthesis is performed in the presence or absence of air.