Journal article 547 views
Nanostructured tungsten oxide gas sensors prepared by electric field assisted aerosol assisted chemical vapour deposition
Anupriya J. T. Naik,
Michael Warwick
,
Savio J. A. Moniz,
Christopher S. Blackman,
Ivan P. Parkin,
Russell Binions
J. Mater. Chem. A, Volume: 1, Issue: 5, Pages: 1827 - 1833
Swansea University Author:
Michael Warwick
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DOI (Published version): 10.1039/c2ta01126c
Abstract
Nanostructured thin films of tungsten trioxide were deposited on to gas sensor substrates at 600 °C from the aerosol assisted chemical vapour deposition reaction of tungsten hexaphenoxide solutions in toluene under the influence of electric fields. The electric fields were generated by applying a po...
Published in: | J. Mater. Chem. A |
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ISSN: | 2050-7488 2050-7496 |
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2013
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URI: | https://cronfa.swan.ac.uk/Record/cronfa32774 |
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2017-04-03T13:55:19.4552966 v2 32774 2017-03-29 Nanostructured tungsten oxide gas sensors prepared by electric field assisted aerosol assisted chemical vapour deposition 9fdabb7283ffccc5898cc543305475cf 0000-0002-9028-1250 Michael Warwick Michael Warwick true false 2017-03-29 FGSEN Nanostructured thin films of tungsten trioxide were deposited on to gas sensor substrates at 600 °C from the aerosol assisted chemical vapour deposition reaction of tungsten hexaphenoxide solutions in toluene under the influence of electric fields. The electric fields were generated by applying a potential difference between the inter-digitated electrodes of the gas sensor substrates during the deposition. The deposited films were characterised using scanning electron microscopy, X-ray diffraction and Raman spectroscopy. The application of an electric field, encouraged formation of enhanced nanostructured morphologies, with an increase in needle length and reduction in needle diameter being observed. The film gas sensor properties were also examined; it was found that the highest response of 110 to 800 ppb NO2 was given by a sensor grown under the influence of a 1.8 × 104 V m−1 electric field and operated at 250 °C, a 2.5 times enhancement compared to a sensor grown in the absence of an electric field under its optimal operating conditions. Journal Article J. Mater. Chem. A 1 5 1827 1833 2050-7488 2050-7496 31 12 2013 2013-12-31 10.1039/c2ta01126c http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000314640100041&KeyUID=WOS:000314640100041 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2017-04-03T13:55:19.4552966 2017-03-29T09:53:04.8632033 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Anupriya J. T. Naik 1 Michael Warwick 0000-0002-9028-1250 2 Savio J. A. Moniz 3 Christopher S. Blackman 4 Ivan P. Parkin 5 Russell Binions 6 |
title |
Nanostructured tungsten oxide gas sensors prepared by electric field assisted aerosol assisted chemical vapour deposition |
spellingShingle |
Nanostructured tungsten oxide gas sensors prepared by electric field assisted aerosol assisted chemical vapour deposition Michael Warwick |
title_short |
Nanostructured tungsten oxide gas sensors prepared by electric field assisted aerosol assisted chemical vapour deposition |
title_full |
Nanostructured tungsten oxide gas sensors prepared by electric field assisted aerosol assisted chemical vapour deposition |
title_fullStr |
Nanostructured tungsten oxide gas sensors prepared by electric field assisted aerosol assisted chemical vapour deposition |
title_full_unstemmed |
Nanostructured tungsten oxide gas sensors prepared by electric field assisted aerosol assisted chemical vapour deposition |
title_sort |
Nanostructured tungsten oxide gas sensors prepared by electric field assisted aerosol assisted chemical vapour deposition |
author_id_str_mv |
9fdabb7283ffccc5898cc543305475cf |
author_id_fullname_str_mv |
9fdabb7283ffccc5898cc543305475cf_***_Michael Warwick |
author |
Michael Warwick |
author2 |
Anupriya J. T. Naik Michael Warwick Savio J. A. Moniz Christopher S. Blackman Ivan P. Parkin Russell Binions |
format |
Journal article |
container_title |
J. Mater. Chem. A |
container_volume |
1 |
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5 |
container_start_page |
1827 |
publishDate |
2013 |
institution |
Swansea University |
issn |
2050-7488 2050-7496 |
doi_str_mv |
10.1039/c2ta01126c |
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Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
department_str |
School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised |
url |
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000314640100041&KeyUID=WOS:000314640100041 |
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description |
Nanostructured thin films of tungsten trioxide were deposited on to gas sensor substrates at 600 °C from the aerosol assisted chemical vapour deposition reaction of tungsten hexaphenoxide solutions in toluene under the influence of electric fields. The electric fields were generated by applying a potential difference between the inter-digitated electrodes of the gas sensor substrates during the deposition. The deposited films were characterised using scanning electron microscopy, X-ray diffraction and Raman spectroscopy. The application of an electric field, encouraged formation of enhanced nanostructured morphologies, with an increase in needle length and reduction in needle diameter being observed. The film gas sensor properties were also examined; it was found that the highest response of 110 to 800 ppb NO2 was given by a sensor grown under the influence of a 1.8 × 104 V m−1 electric field and operated at 250 °C, a 2.5 times enhancement compared to a sensor grown in the absence of an electric field under its optimal operating conditions. |
published_date |
2013-12-31T03:40:17Z |
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1763751826402836480 |
score |
11.021648 |