Effect of indium doping on ZnO based-gas sensor for CO
In-doped ZnO (IZO) nanoparticles have been prepared by sol–gel route and drying in ethanol under supercritical conditions. The morphological, microstructural and optical properties were investigated by transmission electron microscopy (TEM) analysis, X-ray powder diffraction (XRD) and UV–Vis–IR spec...
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| Veröffentlicht in: | Materials science in semiconductor processing 2014-11, Vol.27, p.319-325 |
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| creator | Hjiri, M. Dhahri, R. Omri, K. El Mir, L. Leonardi, S.G. Donato, N. Neri, G. |
| description | In-doped ZnO (IZO) nanoparticles have been prepared by sol–gel route and drying in ethanol under supercritical conditions. The morphological, microstructural and optical properties were investigated by transmission electron microscopy (TEM) analysis, X-ray powder diffraction (XRD) and UV–Vis–IR spectroscopy, respectively. Characterization data showed that both the pure ZnO and IZO nanoparticles have the hexagonal wurtzite structure, whereas the optical band gap decreases with the incorporation of indium dopant. Sensing devices consisting of a thick layer of IZO nanoparticles on interdigitated alumina substrates have been fabricated and their sensing characteristics were investigated. The sensor response and the high selectivity of the IZO nano-powders for carbon monoxide (CO) were reported. |
| doi_str_mv | 10.1016/j.mssp.2014.07.009 |
| format | Article |
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The morphological, microstructural and optical properties were investigated by transmission electron microscopy (TEM) analysis, X-ray powder diffraction (XRD) and UV–Vis–IR spectroscopy, respectively. Characterization data showed that both the pure ZnO and IZO nanoparticles have the hexagonal wurtzite structure, whereas the optical band gap decreases with the incorporation of indium dopant. Sensing devices consisting of a thick layer of IZO nanoparticles on interdigitated alumina substrates have been fabricated and their sensing characteristics were investigated. The sensor response and the high selectivity of the IZO nano-powders for carbon monoxide (CO) were reported.</description><identifier>ISSN: 1369-8001</identifier><identifier>EISSN: 1873-4081</identifier><identifier>DOI: 10.1016/j.mssp.2014.07.009</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Carbon monoxide ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Cross-disciplinary physics: materials science; rheology ; Ethyl alcohol ; Exact sciences and technology ; Gas sensor ; General equipment and techniques ; In-doped ZnO ; Indium ; Instruments, apparatus, components and techniques common to several branches of physics and astronomy ; Materials science ; Materials synthesis; materials processing ; Nanoparticles ; Nanopowders ; Nanoscale materials and structures: fabrication and characterization ; Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation ; Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures ; Physics ; Semiconductors ; Sensing devices ; Sensors ; Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing ; Sol–gel ; Zinc oxide</subject><ispartof>Materials science in semiconductor processing, 2014-11, Vol.27, p.319-325</ispartof><rights>2014 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c429t-ad63a295f97dc5cd4aef0f5e06e0f13e45efc060db4e6873901c1a63fdcfbbde3</citedby><cites>FETCH-LOGICAL-c429t-ad63a295f97dc5cd4aef0f5e06e0f13e45efc060db4e6873901c1a63fdcfbbde3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1369800114003898$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28930948$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Hjiri, M.</creatorcontrib><creatorcontrib>Dhahri, R.</creatorcontrib><creatorcontrib>Omri, K.</creatorcontrib><creatorcontrib>El Mir, L.</creatorcontrib><creatorcontrib>Leonardi, S.G.</creatorcontrib><creatorcontrib>Donato, N.</creatorcontrib><creatorcontrib>Neri, G.</creatorcontrib><title>Effect of indium doping on ZnO based-gas sensor for CO</title><title>Materials science in semiconductor processing</title><description>In-doped ZnO (IZO) nanoparticles have been prepared by sol–gel route and drying in ethanol under supercritical conditions. 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| subjects | Carbon monoxide Condensed matter: electronic structure, electrical, magnetic, and optical properties Cross-disciplinary physics: materials science rheology Ethyl alcohol Exact sciences and technology Gas sensor General equipment and techniques In-doped ZnO Indium Instruments, apparatus, components and techniques common to several branches of physics and astronomy Materials science Materials synthesis materials processing Nanoparticles Nanopowders Nanoscale materials and structures: fabrication and characterization Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures Physics Semiconductors Sensing devices Sensors Sensors (chemical, optical, electrical, movement, gas, etc.) remote sensing Sol–gel Zinc oxide |
| title | Effect of indium doping on ZnO based-gas sensor for CO |
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