Use this URL to cite or link to this record in EThOS:
Title: Synthesis and properties of some novel conducting polymers
Author: Prevost, Adeline
ISNI:       0000 0004 2719 5100
Awarding Body: Kingston University
Current Institution: Kingston University
Date of Award: 2002
Availability of Full Text:
Access from EThOS:
Access from Institution:
Because of the nature of conduction in conjugated polymers, an improvement in the planarity of the backbone results in a smaller energy gap and increased electron mobility, and hence in a higher conductivity. From this consideration was born the idea of combining two types of material to create a new one: a side-chain liquid crystal conducting polymer possessing externally controllable backbone planarity. Firstly, a small number of potentially conducting polymer backbones was chosen. For a polymer to be conducting a stable conjugated system is required, therefore an obvious choice was a type of backbone that includes aromatic or heteroaromatic rings. Three different backbone units were used in this project: aniline, pyrrole, and carbazole. The aniline derivatives were chosen to be ortho-substituted so as to favour a regular 'head to tail' polymerisation in positions 1 (N) and 4. Both pyrrole and carbazole are symmetrical when substituted on the nitrogen, making the 'head' position equivalent to the 'tail' one. This property maximises the chances of a regular polymerisation pattern.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available
Keywords: Chemistry