Intermatrix Synthesis as a rapid, inexpensive and reproducible methodology for the in situ functionalization of nanostructured surfaces with quantum dots

Julio Bastos-Arrieta, Jose Muñoz, Anja Stenbock-Fermor, Maria Muñoz, Dmitri N. Muraviev, Francisco Céspedes, Larisa A. Tsarkova, Mireia Baeza

Research output: Contribution to journalArticleResearchpeer-review

9 Citations (Scopus)

Abstract

© 2016 Elsevier B.V. All rights reserved. Intermatrix Synthesis (IMS) technique has proven to be a valid methodology for the in situ incorporation of quantum dots (QDs) in a wide range of nanostructured surfaces for the preparation of advanced hybrid-nanomaterials. In this sense, this communication reports the recent advances in the application of IMS for the synthesis of CdS-QDs with favourable distribution on sulfonated polyetherether ketone (SPEEK) membrane thin films (TFs), multiwall carbon nanotubes (MWCNTs) and nanodiamonds (NDs). The synthetic route takes advantage of the ion exchange functionality of the reactive surfaces for the loading of the QDs precursor and consequent QDs appearance by precipitation. The benefits of such modified nanomaterials were studied using CdS-QDs@MWCNTs hybrid-nanomaterials. CdS-QDs@MWCNTs has been used as conducting filler for the preparation of electrochemical nanocomposite sensors, which present electrocatalytic properties. Finally, the optical properties of the QDs contained on MWCNTs could allow a new procedure for the analytical detection of nanostructured carbon allotropes in water.
Original languageEnglish
Pages (from-to)417-426
JournalApplied Surface Science
Volume368
DOIs
Publication statusPublished - 15 Apr 2016

Keywords

  • Nanodiamonds
  • Nanoparticles
  • Nanotubes
  • Polymeric nanofilms
  • Quantum dots
  • Sensor

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