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Electrochemical Detection and Characterisation of Polymer Nanoparticles
Author(s) -
Zhou X.F.,
Cheng W.,
BatchelorMcAuley C.,
Tschulik K.,
Compton R. G.
Publication year - 2014
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.201300438
Subject(s) - nanoparticle , polymer , aqueous solution , monomer , materials science , electrochemistry , electrode , nanotechnology , chemical engineering , casting , chemistry , organic chemistry , composite material , engineering
We report the detection and characterisation of polymer nanoparticles using electrochemistry using poly( N ‐vinylcarbazole) nanoparticles (PVK NPs) as a model system. These were synthesised using the reprecipitation method. The number of electrons ( n =2) transferred per PVK monomer was characterised by drop‐casting method. Sticking and sensing experiments were then conducted, which involve PVK nanoparticle immobilisation on the electrode surface and subsequent oxidative sensing, to enable rapid detection of polymer nanoparticles in aqueous solution. It is shown for the first time, that using this “stick and sense” method, polymer nanoparticles in aqueous solution can be immobilised, preconcentrated and quantified.