An XRD/XPS approach to structural change in conducting PPy

Cheah, K., Forsyth, M. and Truong, V. T. 1999, An XRD/XPS approach to structural change in conducting PPy, Synthetic metals, vol. 101, no. 1-3, pp. 19-19, doi: 10.1016/S0379-6779(98)00790-5.

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Title An XRD/XPS approach to structural change in conducting PPy
Author(s) Cheah, K.
Forsyth, M.ORCID iD for Forsyth, M.
Truong, V. T.
Journal name Synthetic metals
Volume number 101
Issue number 1-3
Start page 19
End page 19
Publisher Elsevier S.A.
Place of publication Basel, Switzerland
Publication date 1999-05
ISSN 0379-6779
Keyword(s) ordering
x-ray diffraction
ion exchange
thermal ageing
Summary Electrochemically synthesised polypyrrole (PPy) with 1,5 naphthalene disulfonate (1,5-NDS) counterions treated with simple acid and base was characterised using X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The as synthesised film was found to be amorphous with short-range ordering in the polymer backbone. Ordering was lost after thermal ageing with evidence of counterion degradation. Base treatment lead to loss of ordering as well as dedoping of the polymer whereas acid treatment at high temperature increases short range ordering. Conductivity was also increased dramatically with evidence of ion exchange. Ordering induced by the treatment was maintained even after thermal ageing.
Language eng
DOI 10.1016/S0379-6779(98)00790-5
Field of Research 039999 Chemical Sciences not elsewhere classified
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©1999, Elsevier Science S.A.
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