Optimization of a NOx gas sensor based on single walled carbon nanotubes (Articolo in rivista)

Type
Label
  • Optimization of a NOx gas sensor based on single walled carbon nanotubes (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Lucci M, Reale A, Di Carlo A, Orlanducci S, Tamburri E, Terranova ML, Davoli I, Di Natale C, D'Amico A, Paolesse R (2006)
    Optimization of a NOx gas sensor based on single walled carbon nanotubes
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Lucci M, Reale A, Di Carlo A, Orlanducci S, Tamburri E, Terranova ML, Davoli I, Di Natale C, D'Amico A, Paolesse R (literal)
Pagina inizio
  • 226 (literal)
Pagina fine
  • 231 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 118 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Roma Tor Vergata, Dept Elect Engn, Rome, I-00133 Italy; Univ Roma Tor Vergata, Dept Chem Sci & Technol, Rome, I-00133 Italy; Univ Roma Tor Vergata, Interdisciplinary MIcro & NAno Structured Syst La, MINAS, Rome, I-00133 Italy; CNR, Inst Microelect Microsyst, Rome, Italy; Univ Roma Tor Vergata, Dept Phys, Rome, I-00133 Italy. (literal)
Titolo
  • Optimization of a NOx gas sensor based on single walled carbon nanotubes (literal)
Abstract
  • In the present work it is shown an efficient method for No, detection in single wall carbon nanotubes (SWCNT) ordered by mean of dielectrophoretical process after dispersion in clorophormium solution over gold interdigitates. The NOx flux induces resistance change with respect of pure N-2 flux over the ordered SWCNT. We investigate the efficiency of No-x detection when a control signal is applied to the sensing device through a back side contact, for optimized response time of the sensor. Moreover we studied the effect on absorption/desorption gas processes for NOx and NH3 by applying a gate voltage to the Si substrate beneath the interdigitated electrodes. The results indicate an improvement of the time and that acceleration of the response time of the sensor for the detection of NH3 is proportional to the gate voltage in the range 0-40 V. (literal)
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