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Zinc oxide as an ozone sensor

Bibliographic Details
Main Author: Martins, Rodrigo
Publication Date: 2004
Other Authors: Fortunato, Elvira, Nunes, P., Ferreira, I., Marques, A., Bender, M., Katsarakis, N., Cimalla, V., Kiriakidis, G.
Format: Article
Language: eng
Source: Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
Download full: http://hdl.handle.net/10362/3243
Summary: Journal of Applied Physics, Vol. 96, nº3
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spelling Zinc oxide as an ozone sensorJournal of Applied Physics, Vol. 96, nº3This work presents a study of intrinsic zinc oxide thin film as ozone sensor based on the ultraviolet sUVd photoreduction and subsequent ozone re oxidation of zinc oxide as a fully reversible process performed at room temperature. The films analyzed were produced by spray pyrolysis, dc and rf magnetron sputtering. The dc resistivity of the films produced by rf magnetron sputtering and constituted by nanocrystallites changes more than eight orders of magnitude when exposed to an UV dose of 4 mW/cm2. On the other hand, porous and textured zinc oxide films produced by spray pyrolysis at low substrate temperature exhibit an excellent ac impedance response where the reactance changes by more than seven orders of magnitude when exposed to the same UV dose, with a response frequency above 15 kHz, thus showing improved ozone ac sensing discrimination.American Institute of PhysicsRUNMartins, RodrigoFortunato, ElviraNunes, P.Ferreira, I.Marques, A.Bender, M.Katsarakis, N.Cimalla, V.Kiriakidis, G.2010-03-17T10:24:41Z2004-082004-08-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10362/3243eng0021-8979info:eu-repo/semantics/openAccessreponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiainstacron:RCAAP2024-05-22T17:07:09Zoai:run.unl.pt:10362/3243Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireinfo@rcaap.ptopendoar:https://opendoar.ac.uk/repository/71602025-05-28T16:38:11.367656Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiafalse
dc.title.none.fl_str_mv Zinc oxide as an ozone sensor
title Zinc oxide as an ozone sensor
spellingShingle Zinc oxide as an ozone sensor
Martins, Rodrigo
title_short Zinc oxide as an ozone sensor
title_full Zinc oxide as an ozone sensor
title_fullStr Zinc oxide as an ozone sensor
title_full_unstemmed Zinc oxide as an ozone sensor
title_sort Zinc oxide as an ozone sensor
author Martins, Rodrigo
author_facet Martins, Rodrigo
Fortunato, Elvira
Nunes, P.
Ferreira, I.
Marques, A.
Bender, M.
Katsarakis, N.
Cimalla, V.
Kiriakidis, G.
author_role author
author2 Fortunato, Elvira
Nunes, P.
Ferreira, I.
Marques, A.
Bender, M.
Katsarakis, N.
Cimalla, V.
Kiriakidis, G.
author2_role author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv RUN
dc.contributor.author.fl_str_mv Martins, Rodrigo
Fortunato, Elvira
Nunes, P.
Ferreira, I.
Marques, A.
Bender, M.
Katsarakis, N.
Cimalla, V.
Kiriakidis, G.
description Journal of Applied Physics, Vol. 96, nº3
publishDate 2004
dc.date.none.fl_str_mv 2004-08
2004-08-01T00:00:00Z
2010-03-17T10:24:41Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10362/3243
url http://hdl.handle.net/10362/3243
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 0021-8979
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv American Institute of Physics
publisher.none.fl_str_mv American Institute of Physics
dc.source.none.fl_str_mv reponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
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instname_str FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
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reponame_str Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
collection Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
repository.name.fl_str_mv Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
repository.mail.fl_str_mv info@rcaap.pt
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