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Titolo:
Environmental monitoring field tests using screen-printed thick-film sensors based on semiconducting oxides
Autore:
Traversa, E; Sadaoka, Y; Carotta, MC; Martinelli, G;
Indirizzi:
Univ Roma Tor Vergata, Dipartimento Sci & Tecnol Chim, I-00133 Rome, ItalyUniv Roma Tor Vergata Rome Italy I-00133 ecnol Chim, I-00133 Rome, Italy Ehime Univ, Fac Engn, Dept Mat Sci & Engn, Matsuyama, Ehime 7908577, JapanEhime Univ Matsuyama Ehime Japan 7908577 Matsuyama, Ehime 7908577, Japan Univ Ferrara, INFM, Dipartimento Fis, I-44100 Ferrara, Italy Univ FerraraFerrara Italy I-44100 artimento Fis, I-44100 Ferrara, Italy
Titolo Testata:
SENSORS AND ACTUATORS B-CHEMICAL
fascicolo: 1-3, volume: 65, anno: 2000,
pagine: 181 - 185
SICI:
0925-4005(20000630)65:1-3<181:EMFTUS>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
NANOSIZED LAFEO3 POWDERS; THERMAL-DECOMPOSITION; GAS SENSORS; HETERONUCLEAR COMPLEX; EVOLUTION;
Keywords:
environmental monitoring; chemical sensors; thick films; semiconducting oxides; nanostructured powders;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
16
Recensione:
Indirizzi per estratti:
Indirizzo: Traversa, E Univ Roma Tor Vergata, Dipartimento Sci & Tecnol Chim, Via RicSci, I-00133 Rome, Italy Univ Roma Tor Vergata Via Ric Sci Rome Italy I-00133 e, Italy
Citazione:
E. Traversa et al., "Environmental monitoring field tests using screen-printed thick-film sensors based on semiconducting oxides", SENS ACTU-B, 65(1-3), 2000, pp. 181-185

Abstract

SnO2, TiO2, In2O3, LaFeO3, and SmFeO3 thick films have been prepared by screen-printing technology on alumina substrates with comb-type Au electrodes, starting either from commercial or laboratory-synthesized powders. An array of thick-film prototype sensors has been placed beside a conventional station for environmental monitoring. Field tests have been performed by measuring the change in conductivity of the thick films exposed to real atmosphere. Their electrical response has been compared with the results of the analytical instruments for environmental monitoring, approved by the international standards. The same trend was observed for both systems, with very promising results, when nanostructured oxides have been used for the preparation of the thick films. This allows us to consider as feasible the use of these sensors for cheap, innovative stations for air quality control. (C) 2000 Elsevier Science S.A. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/04/20 alle ore 01:24:58