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Reduced state conducting polymers

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Eastwick-Field, Vanessa Mary (1991) Reduced state conducting polymers. PhD thesis, University of Warwick.

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Official URL: http://webcat.warwick.ac.uk/record=b3225878~S15

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Abstract

The work presented in this thesis is concerned with reduced state conducting polymers, and in particular with poly(pyridine).

The electroreductive polymerisation of 2,5-dibromopyridine based on either the Ni(⁰)(PPh₃)₄] or [Ni(⁰)(bpy)₃ClO₄)₂] systems was investigated. The results obtained via both routes are discussed in terms of their respective mechanisms. The initial steps of the polymerisation based on the latter system are analysed using a specially developed kinetic theory. Although the theory was designed specifically to better understand the mechanism of electrosynthesis of poly(pyridine), it has a broader usage for the electrochemist because it describes the limiting current responses of second order ECE reactions at RDEs.

The nature of poly(pyridine) prepared by both routes is investigated, and the results obtained are discussed in terms of their structural implications. Although the definitive nature of the polymers is still unclear, a particularly interesting possibility is that the polymers prepared from the [Ni(⁰)(bpy)₃ClO₄)₂]/2,5-Br₂Py/TEAP/AN system are “pyridylonickel strings”.

The electrosynthesis of poly(azines) using the [Ni(⁰)(bpy)₃ClO₄)₂]route is reported, and demonstrates that this strategy can be successfully exploited in the preparation of novel reduced state conducting polymers.

Suggestions for further work forming an extension to this thesis are given in the final chapter.

Item Type: Thesis (PhD)
Subjects: Q Science > QD Chemistry
Library of Congress Subject Headings (LCSH): Conducting polymers, Pyridine, Organometallic polymers, Electrochemistry
Official Date: May 1991
Dates:
DateEvent
May 1991Submitted
Institution: University of Warwick
Theses Department: Department of Chemistry
Thesis Type: PhD
Publication Status: Unpublished
Supervisor(s)/Advisor: Bartlett, Philip N. (Philip Nigel), 1956- ; Pringle, Paul G.
Sponsors: Science and Engineering Research Council (Great Britain)
Format of File: pdf
Extent: xix, 308 leaves : illustrations, charts
Language: eng

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