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FET Transduction of Electric Dipole Changes in Organic Layers
Department of Electronic Engineering, University of Rome "Tor Vergata", Italy.
Linköping University, Department of Physics, Chemistry and Biology, Applied Physics. Linköping University, Faculty of Science & Engineering.
Department of Chemical Science and Technology, University of Rome "Tor Vergata", Italy.
Department of Electronic Engineering, University of Rome "Tor Vergata", Italy.
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2007 (English)In: TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference, IEEE , 2007, 1895-1898 p.Conference paper, Published paper (Refereed)
Abstract [en]

Modern chemistry makes possibile the production of artificial receptors endowed with interaction sites specific towards selected analytes. To fabricate chemical sensors a transducer able to preserve the selectivity of such sensing layers is requested. We demonstrate the Field Effect Transistors (FET) coated by metalloporphyrins emphasizes the coordination of analytes with the sensing molecules with respect to the weakest forces that tend to cancel the selectivity. Molecular simulations show that coordination of gases such as carbon monoxide and nitric oxide greatly change the porphyrin electric dipole both in magnitude and direction inducing a large FET signal shift.

Place, publisher, year, edition, pages
IEEE , 2007. 1895-1898 p.
Series
Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS), ISSN 2159-547X ; 2007
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:liu:diva-39741DOI: 10.1109/SENSOR.2007.4300528Local ID: 51014ISBN: 1-4244-0842-3 (print)ISBN: 1-4244-0841-5 (print)OAI: oai:DiVA.org:liu-39741DiVA: diva2:260590
Conference
TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference, 10-14 June 2007, Lyon, France
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2016-06-13

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Buchholt, KristinaLundström, IngemarLloyd Spetz, Anita

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf