DETECTION OF NANO-STRUCTURED PARTICLES WITH ORGANIC ELECTRCHEMICAL TRANSISTORS (Contributo in atti di convegno)

Type
Label
  • DETECTION OF NANO-STRUCTURED PARTICLES WITH ORGANIC ELECTRCHEMICAL TRANSISTORS (Contributo in atti di convegno) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/pssc.201400195 (literal)
Alternative label
  • Agostino Romeo, Giuseppe Tarabella, Pasquale D'Angelo, Nicola Coppedè, Francesca Rossi, Roberto Mosca, Salvatore Iannotta (2014)
    DETECTION OF NANO-STRUCTURED PARTICLES WITH ORGANIC ELECTRCHEMICAL TRANSISTORS
    in E-MRS 2014 Spring Meeting Smposium S, Lille, 26/05/2014
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Agostino Romeo, Giuseppe Tarabella, Pasquale D'Angelo, Nicola Coppedè, Francesca Rossi, Roberto Mosca, Salvatore Iannotta (literal)
Pagina fine
  • 4 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituro dei Materiali per l'Elettronica ed il Magnetismo IMEM-CNR (literal)
Titolo
  • DETECTION OF NANO-STRUCTURED PARTICLES WITH ORGANIC ELECTRCHEMICAL TRANSISTORS (literal)
Abstract
  • Recently big efforts have been addressed to the development of techniques for sensing and characterization of nanoparticles (NPs), especially in aqueous environment, due to their possible harmfulness related to their nanometric size. In this work we describe a real time detection of NPs based on organic electrochemical transistors (OECTs). OECTs were employed to detect core-shell super-paramagnetic NPs (Fe3O4) functionalized with different polymeric coatings. The OECT response resulted to be a function of the density of NPs suspended in the solution, with sensitivity down to tens of µg/ml. The data, interpreted in terms of the effective gate voltage shift induced by the NPs, indicate that the sensing mechanism is correlated to the electrostatic interaction of NPs with the PEDOT:PSS transistor channel. (literal)
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