Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.343609
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dc.titleStudy of charge-transfer interactions in polyvinylpyridine-halobenzoquinone complexes by x-ray photoelectron spectroscopy
dc.contributor.authorTan, K.L.
dc.contributor.authorTan, B.T.G.
dc.contributor.authorKang, E.T.
dc.contributor.authorNeoh, K.G.
dc.date.accessioned2014-10-09T08:21:25Z
dc.date.available2014-10-09T08:21:25Z
dc.date.issued1989
dc.identifier.citationTan, K.L., Tan, B.T.G., Kang, E.T., Neoh, K.G. (1989). Study of charge-transfer interactions in polyvinylpyridine-halobenzoquinone complexes by x-ray photoelectron spectroscopy. Journal of Applied Physics 66 (12) : 5868-5871. ScholarBank@NUS Repository. https://doi.org/10.1063/1.343609
dc.identifier.issn00218979
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/91721
dc.description.abstractThe charge-transfer (CT) interactions in electroactive polymeric complexes formed by nonconjugated polymers: poly-2-vinylpyridine, poly-4-vinylpyridine, and various halobenzoquinone electron acceptors such as: o-chloranil, p-chloranil, o-bromanil, and p-fluoranil have been investigated by means of x-ray photoelectron spectroscopy (XPS). In spite of the relatively high degree of CT interactions, the conductivity of the complexes remains low and in the range of 10-11-10-6 S cm-1. XPS core-level spectra for halogens, nitrogen, and oxygen allow the steric hindrance to CT interactions in the various complexes to be investigated and compared. In all the complexes, the presence of a halogen anion, a positively charged pyridinium nitrogen, and an oxygen anion is observed. This is indicative that CT interactions may have resulted in adducts arising from the formation of linkages between the polymers and the acceptors.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1063/1.343609
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCHEMICAL ENGINEERING
dc.contributor.departmentPHYSICS
dc.description.doi10.1063/1.343609
dc.description.sourcetitleJournal of Applied Physics
dc.description.volume66
dc.description.issue12
dc.description.page5868-5871
dc.identifier.isiutA1989CE15100027
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