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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 15kHz, thus showing improved ozone ac sensing discrimination.<\/jats:p>","DOI":"10.1063\/1.1765864","type":"journal-article","created":{"date-parts":[[2004,7,26]],"date-time":"2004-07-26T22:24:21Z","timestamp":1090880661000},"page":"1398-1408","update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":179,"title":["Zinc oxide as an ozone sensor"],"prefix":"10.1063","volume":"96","author":[{"given":"R.","family":"Martins","sequence":"first","affiliation":[{"name":"Department of Materials Science\u2215CENIMAT, Faculty of Sciences and Technology, New University of Lisbon and CEMOP\u2215UNINOVA , 2829-516 Caparica, Portugal"}]},{"given":"E.","family":"Fortunato","sequence":"additional","affiliation":[{"name":"Department of Materials Science\u2215CENIMAT, Faculty of Sciences and Technology, New University of Lisbon and CEMOP\u2215UNINOVA , 2829-516 Caparica, Portugal"}]},{"given":"P.","family":"Nunes","sequence":"additional","affiliation":[{"name":"Department of Materials Science\u2215CENIMAT, Faculty of Sciences and Technology, New University of Lisbon and CEMOP\u2215UNINOVA , 2829-516 Caparica, Portugal"}]},{"given":"I.","family":"Ferreira","sequence":"additional","affiliation":[{"name":"Department of Materials Science\u2215CENIMAT, Faculty of Sciences and Technology, New University of Lisbon and CEMOP\u2215UNINOVA , 2829-516 Caparica, Portugal"}]},{"given":"A.","family":"Marques","sequence":"additional","affiliation":[{"name":"Department of Materials Science\u2215CENIMAT, Faculty of Sciences and Technology, New University of Lisbon and CEMOP\u2215UNINOVA , 2829-516 Caparica, Portugal"}]},{"given":"M.","family":"Bender","sequence":"additional","affiliation":[{"name":"Applied Films GmbH & Co. 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