Preparation and characterization of polymer-stabilized metal nanoparticles for sensor applications

✍ Scribed by Macanás, J. ;Farre, M. ;Muñoz, M. ;Alegret, S. ;Muraviev, D. N.

• Publisher: John Wiley and Sons
• Year: 2006
• Tongue: English
• Weight: 450 KB
• Volume: 203
• Category: Article
• ISSN: 0031-8965
• DOI: 10.1002/pssa.200566167

✦ Synopsis

Abstract

Nanomaterial‐based sensing devices attract great attention of scientist and technologists due to the special properties of nano‐objects, such as for example, Metal Nanoclusters (MNC), which differ from those of the bulk materials. The further development of these devices requires novel approaches to stabilize MNC and therefore, to save their unique properties. The Solid‐Phase‐Incorporated‐Reagents (SPHINER) technique was used for in situ synthesis of Polymer‐Stabilized Metal Nanoclusters (PSMNC), which were used in the construction of new composite electrodes. The size of Pt‐PSMNC synthesized in polyvinyl chloride (PVC) and polysulfone stabilizing matrices was determined by Transmission Electron Microscopy (TEM) technique and appeared to be in majority of cases of 6–20 nm. The electrochemical characterization of PSMNC‐based amperometric sensors has demonstrated that inclusion of Pt‐MNC increases the electrical conductivity of the membrane and that the electrode performance strongly depends on both the type of polymeric matrix and the membrane preparation technique. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)