http://www.cnr.it/ontology/cnr/individuo/prodotto/ID298658
Au/epsilon-Fe2O3 Nanocomposites as Selective NO2 Gas Sensors (Articolo in rivista)
- Type
- Label
- Au/epsilon-Fe2O3 Nanocomposites as Selective NO2 Gas Sensors (Articolo in rivista) (literal)
- Anno
- 2014-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1021/jp5032288 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Peeters D.; Barreca D.; Carraro G.; Comini E.; Gasparotto A.; Maccato C.; Sada C.; Sberveglieri G. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
- Autori stranieri (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://pubs.acs.org/doi/abs/10.1021/jp5032288 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- ISI Web of Science (WOS) (literal)
- Scopu (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1,3,5,6 : Department of Chemistry, Padova University, INSTM, 35131 Padova, Italy /
1 : Inorganic Materials Chemistry, Inorganic Chemistry, 2, Ruhr-University Bochum, 44801 Bochum, Germany /
2 : CNR-IENI and INSTM, Department of Chemistry, Padova University, 35131 Padova, Italy /
4,8 : SENSOR Lab, Department of Information Engineering, Brescia University and CNR-INO, 25133 Brescia, Italy /
7 : Department of Physics and Astronomy, Padova University, 35131 Padova, Italy (literal)
- Titolo
- Au/epsilon-Fe2O3 Nanocomposites as Selective NO2 Gas Sensors (literal)
- Abstract
- A combined chemical vapor deposition (CVD)/radio frequency (rf) sputtering approach to Au/Fe2O3 nanocomposites based on the scarcely investigated epsilon-iron(III) oxide polymorph is reported. The developed materials, analyzed by field emission-scanning electron microscopy (FE-SEM), energy dispersive X-ray spectroscopy (EDXS), X-ray photoelectron spectroscopy (XPS), and secondary ion mass spectrometry (SIMS), consisted of iron oxide nanorods decorated by gold nanoparticles (NPs), whose content and distribution could be tailored as a function of sputtering time. Interestingly, the intimate Au/epsilon-Fe2O3 interfacial contact along with iron oxide one-dimensional (1D) morphology resulted in promising performances for the selective detection of gaseous NO2 at moderate working temperatures. At variance with the other iron(III) oxide polymorphs (alpha-, beta-, and gamma-Fe2O3), that display an n-type semiconducting behavior, epsilon-Fe2O3 exhibited a p-type response, clearly enhanced by Au introduction. As a whole, the obtained results indicate that the sensitization of p-type materials with metal NPs could be a valuable tool for the fabrication of advanced sensing devices. (literal)
- Prodotto di
- Autore CNR
- Insieme di parole chiave
Incoming links:
- Autore CNR di
- Prodotto
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi
- Insieme di parole chiave di