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Development and characterisation of switchable polyaniline-functionalised flow-through capillary monoliths

Floris, Patrick and Connolly, Damian and White, Blánaid and Morrin, Aoife (2014) Development and characterisation of switchable polyaniline-functionalised flow-through capillary monoliths. RSC Advances, 4 . pp. 43934-43941. ISSN 2046-2069

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Polymer monoliths were prepared in capillary format (250 mm i.d.) and used as solid supports for the immobilisation of the conducting polymer polyaniline (PANI). The immobilisation of PANI was confirmed on the large macro-porous structure of a polystyrene–divinylbenzene (PS-co-DVB) monolith. The surface coverage of polyaniline was characterised by field emission scanning electron microscopy (FESEM) and by capacitively coupled contactless conductivity detection (C4D), which was operated in scanning mode to non-invasively visualise the axial distribution of the immobilised PANI and to provide information on its doping state. To further demonstrate the successful functionalisation of the monoliths, the PANI-functionalised monoliths were demonstrated as switchable, weak anion-exchange stationary phases as confirmed by studying the retention of iodide using a perchlorate eluent.

Item Type:Article (Published)
Uncontrolled Keywords:Conductive organic polymers; Polyaniline (PANI)
Subjects:Physical Sciences > Thin films
Physical Sciences > Chemistry
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Science and Health > School of Chemical Sciences
Official URL:
Copyright Information:© 2014 RSC
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
Funders:Science Foundation Ireland
ID Code:20196
Deposited On:23 Sep 2014 14:46 by Aoife Morrin. Last Modified 10 Oct 2016 17:06

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