ZnO gas sensors: A comparison between nanoparticles and nanotetrapods-based thick films (Articolo in rivista)

Type
Label
  • ZnO gas sensors: A comparison between nanoparticles and nanotetrapods-based thick films (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.snb.2008.11.007 (literal)
Alternative label
  • Carotta M. C. a; Cervi A. a; Di Natale V. a; Gherardi S. a; Giberti A. ad; Guidi V. a; Puzzovio D. a; Vendemiati B. a; Martinelli G. a; Sacerdoti M. b; Calestani D. c; Zappettini A. cd; Zha M. c; Zanotti L. c (2009)
    ZnO gas sensors: A comparison between nanoparticles and nanotetrapods-based thick films
    in Sensors and actuators. B, Chemical (Print); Elsevier Science SA, Lausanne (Svizzera)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Carotta M. C. a; Cervi A. a; Di Natale V. a; Gherardi S. a; Giberti A. ad; Guidi V. a; Puzzovio D. a; Vendemiati B. a; Martinelli G. a; Sacerdoti M. b; Calestani D. c; Zappettini A. cd; Zha M. c; Zanotti L. c (literal)
Pagina inizio
  • 164 (literal)
Pagina fine
  • 169 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 137 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • In: Sensors and Actuators B-Chemical, vol. 137 pp. 164 - 169. Elsevier B.V, 2009. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a CNR-INFM and Dipartimento di Fisica, Università di Ferrara, Via Saragat 1/C, 44100 Ferrara, Italy; b Dipartimento di Scienze della Terra, Università di Ferrara, Via Saragat 1/B, 44100 Ferrara, Italy; c CNR-IMEM, Parma, Italy; d Laboratorio LARIA, Via P. Gobetti 101, 40129 Bologna, Italy (literal)
Titolo
  • ZnO gas sensors: A comparison between nanoparticles and nanotetrapods-based thick films (literal)
Abstract
  • Nanostructured ZnO was obtained through two different synthetic processes: a traditional sol-gel (SG) route and a combination of vapor transport process and controlled oxidation methods. In SG synthesis, thermal decomposition of the precursor at 450 æC for 2 h in an oven led to pure zincite nanoparticles. Through the second method, instead, nanocrystalline structures in form of tetrapods (TP) were directly obtained during the synthesis process. Powder and film characterizations have been carried out by means of TG-DTA, SEM, TEM and XRD. Finally, electric measurements have been performed with the aim to compare conductive properties, surface barrier heights and gas sensing features, versus O3, NO2, CO and H2S. Despite the significant difference in morphology, it turned out that both types of sensors offered large responses to oxidizing gases at concentration suitable for environmental monitoring. (literal)
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