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Functionalised nanostructured polyaniline? A new substrate for building adaptive sensing surfaces

Lahiff, Emer and Bell, Steven and Diamond, Dermot (2008) Functionalised nanostructured polyaniline? A new substrate for building adaptive sensing surfaces. In: 2007 MRS Fall Meeting, 26-30 November 2007, Boston, MA, USA.

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A new method for covalently binding side-chains to the surface of solution based conducting polymer nanostructures is introduced in this paper. Modification of the structures is achieved by convenient reflux in the presence of a nucleophile, and post-functionalization purification is subsequently carried out by centrifugation. The entire process is easily scalable and hence suitable for bulk production of functionalized nanomaterials. In particular we focus on the modification of polyaniline nanofibres which can be synthesized by interfacial polymerization. Mercaptoundecanoic acid side-chains are attached to the polymer nanostructures, with the intrinsic nano-morphology of the material being maintained during the process. The modified PAni nanofibres provide a template for the attachment of other specific functional groups which could be used to target a particular species.

Item Type:Conference or Workshop Item (Paper)
Event Type:Conference
Subjects:Physical Sciences > Nanotechnology
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Science and Health > School of Physical Sciences
Research Initiatives and Centres > National Centre for Sensor Research (NCSR)
Published in:Mater. Res. Soc. Symp. Proc. 1054E. Materials Research Society.
Publisher:Materials Research Society
Official URL:
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:15006
Deposited On:21 Dec 2009 13:16 by Emer Lahiff. Last Modified 21 Dec 2009 13:17

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