Flame-Spray-Made Undoped Zinc Oxide Films for Gas Sensing Applications

Flame-Spray-Made Undoped Zinc Oxide Films for Gas Sensing Applications

Using zinc naphthenate dissolved in xylene as a precursor undoped ZnO nanopowders were synthesized by the flame spray pyrolysis technique. The average diameter and length of ZnO spherical and hexagonal particles were in the range of 5 to 20 nm, while ZnO nanorods were found to be 5–20 nm wide and 20...

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Main Authors: Tamaekong, Nittaya, Liewhiran, Chaikarn, Wisitsoraat, Anurat, Phanichphant, Sukon
Format: Online
Language:English
Published: Molecular Diversity Preservation International (MDPI) 2010
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3231166/
id pubmed-3231166
recordtype oai_dc
spelling pubmed-32311662011-12-07 Flame-Spray-Made Undoped Zinc Oxide Films for Gas Sensing Applications Tamaekong, Nittaya Liewhiran, Chaikarn Wisitsoraat, Anurat Phanichphant, Sukon Article Using zinc naphthenate dissolved in xylene as a precursor undoped ZnO nanopowders were synthesized by the flame spray pyrolysis technique. The average diameter and length of ZnO spherical and hexagonal particles were in the range of 5 to 20 nm, while ZnO nanorods were found to be 5–20 nm wide and 20–40 nm long, under 5/5 (precursor/oxygen) flame conditions. The gas sensitivity of the undoped ZnO nanopowders towards 50 ppm of NO2, C2H5OH and SO2 were found to be 33, 7 and 3, respectively. The sensors showed a great selectivity towards NO2 at high working temperature (at 300 °C), while small resistance variations were observed for C2H5OH and SO2, respectively. Molecular Diversity Preservation International (MDPI) 2010-08-23 /pmc/articles/PMC3231166/ /pubmed/22163630 http://dx.doi.org/10.3390/s100807863 Text en © 2010 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
repository_type Open Access Journal
institution_category Foreign Institution
institution US National Center for Biotechnology Information
building NCBI PubMed
collection Online Access
language English
format Online
author Tamaekong, Nittaya
Liewhiran, Chaikarn
Wisitsoraat, Anurat
Phanichphant, Sukon
spellingShingle Tamaekong, Nittaya
Liewhiran, Chaikarn
Wisitsoraat, Anurat
Phanichphant, Sukon
Flame-Spray-Made Undoped Zinc Oxide Films for Gas Sensing Applications
author_facet Tamaekong, Nittaya
Liewhiran, Chaikarn
Wisitsoraat, Anurat
Phanichphant, Sukon
author_sort Tamaekong, Nittaya
title Flame-Spray-Made Undoped Zinc Oxide Films for Gas Sensing Applications
title_short Flame-Spray-Made Undoped Zinc Oxide Films for Gas Sensing Applications
title_full Flame-Spray-Made Undoped Zinc Oxide Films for Gas Sensing Applications
title_fullStr Flame-Spray-Made Undoped Zinc Oxide Films for Gas Sensing Applications
title_full_unstemmed Flame-Spray-Made Undoped Zinc Oxide Films for Gas Sensing Applications
title_sort flame-spray-made undoped zinc oxide films for gas sensing applications
description Using zinc naphthenate dissolved in xylene as a precursor undoped ZnO nanopowders were synthesized by the flame spray pyrolysis technique. The average diameter and length of ZnO spherical and hexagonal particles were in the range of 5 to 20 nm, while ZnO nanorods were found to be 5–20 nm wide and 20–40 nm long, under 5/5 (precursor/oxygen) flame conditions. The gas sensitivity of the undoped ZnO nanopowders towards 50 ppm of NO2, C2H5OH and SO2 were found to be 33, 7 and 3, respectively. The sensors showed a great selectivity towards NO2 at high working temperature (at 300 °C), while small resistance variations were observed for C2H5OH and SO2, respectively.
publisher Molecular Diversity Preservation International (MDPI)
publishDate 2010
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3231166/
_version_ 1611492040036581376

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