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Gold Nanoparticle Sensors For Environmental Pollutant Monitoring
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology, Applied Physics. Linköping University, The Institute of Technology.
Dipartimento di Chimica, Università degli Studi di Bari, Italy .
Dipartimento di Chimica, Università degli Studi di Bari, Italy .
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2007 (English)In: Proceedings of the 2007 2nd IEEE International Workshop on Advances in Sensors and Interfaces, June 26-27, 2007 Bari, Italy, IEEE , 2007, 1-4 p.Conference paper, Published paper (Other academic)
Abstract [en]

     Gold nanoparticles (Au-NPs) have been synthesised using a sacrificial anode electrolysis in the presence of tetra-alkyl-ammonium halides, employed as cationic stabilizers. Catalytic NPs have been then deposited on top of Field Effect (FE) gas sensing devices and subjected to mild annealing procedures. Transmission Electron Microscopy (TEM) shows that the NP average core diameter is around 5 nm. X-Ray Photoelectron Spectroscopy (XPS) and Scanning Electron Microscopy (SEM) have been applied to the surface characterization of the annealed NP films used as active sensing layers. Morphological and spectroscopic results demonstrate that the annealed inorganic nano-clusters are finely dispersed and maintain a metallic oxidation state. Au-NPs can be proficiently employed as gate material in Si-Field Effect Gas Sensors. Preliminary results show interesting selectivity and sensitivity sensing features towards NOx detection.

Place, publisher, year, edition, pages
IEEE , 2007. 1-4 p.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:liu:diva-38703DOI: 10.1109/IWASI.2007.4420006Local ID: 45389ISBN: 978-1-4244-1245-7 (print)ISBN: 978-1-4244-1245-7 (print)OAI: oai:DiVA.org:liu-38703DiVA: diva2:259552
Conference
2nd International Workshop on Advances in Sensors and Interface, 2007. IWASI 2007, 26-27 June, Bari, Italy
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2016-06-13Bibliographically approved

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Ieva, ElianaBuchholt, KristinaLloyd Spetz, AnitaKäll, Per-Olov

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Ieva, ElianaBuchholt, KristinaLloyd Spetz, AnitaKäll, Per-Olov
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CiteExportLink to record
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Citation style
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