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Highly Sensitive Hydrogen Gas Sensors Based on Gold Nanoparticle Decorated Zinc Oxide Nanosheets

Aled R. Lewis, Josef Náhlík, Daniel R. Jones, Thierry Maffeis Orcid Logo

Procedia Engineering, Volume: 168, Pages: 321 - 324

Swansea University Author: Thierry Maffeis Orcid Logo

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DOI (Published version): 10.1016/j.proeng.2016.11.206

Abstract

Highly sensitive gold nanoparticle decorated zinc oxide nanosheet gas sensors have been fabricated using simple and rapid chemical methods capable of producing a normalised current gain of 2.54 (at 10V) in dry air containing 2.5ppm of hydrogen gas at 200C and a current gain of 382.53 under 125ppm. C...

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Published in: Procedia Engineering
ISSN: 1877-7058
Published: Proceedings of the 30th anniversary Eurosensors Conference – Eurosensors 2016 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa31593
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first_indexed 2017-05-10T19:00:06Z
last_indexed 2018-02-09T05:18:41Z
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spelling 2017-07-07T15:00:34.4870361 v2 31593 2017-01-09 Highly Sensitive Hydrogen Gas Sensors Based on Gold Nanoparticle Decorated Zinc Oxide Nanosheets 992eb4cb18b61c0cd3da6e0215ac787c 0000-0003-2357-0092 Thierry Maffeis Thierry Maffeis true false 2017-01-09 EEEG Highly sensitive gold nanoparticle decorated zinc oxide nanosheet gas sensors have been fabricated using simple and rapid chemical methods capable of producing a normalised current gain of 2.54 (at 10V) in dry air containing 2.5ppm of hydrogen gas at 200C and a current gain of 382.53 under 125ppm. Compared to undecorated sheet based sensors where a response of 1.24 was observed under 125ppm at 200C a massive relative increase in signal is observed. The zinc oxide nanosheets are produced via a previously reported simple microwave assisted hydrothermal growth method and gold nanoparticles with mean diameter of 5nm synthesized via a simple sodium borohydride reduction of hydrogen tetrachloroaurate in the presence of polyvinylpyrrolidone (PVP) followed by drop casting onto a pre-patterned aluminium oxide substrate. Journal Article Procedia Engineering 168 321 324 Proceedings of the 30th anniversary Eurosensors Conference – Eurosensors 2016 1877-7058 31 12 2016 2016-12-31 10.1016/j.proeng.2016.11.206 COLLEGE NANME Electronic and Electrical Engineering COLLEGE CODE EEEG Swansea University 2017-07-07T15:00:34.4870361 2017-01-09T11:42:05.9767217 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering Aled R. Lewis 1 Josef Náhlík 2 Daniel R. Jones 3 Thierry Maffeis 0000-0003-2357-0092 4 0031593-09012017114553.pdf lewis2017.pdf 2017-01-09T11:45:53.0670000 Output 193255 application/pdf Version of Record true 2017-01-09T00:00:00.0000000 false
title Highly Sensitive Hydrogen Gas Sensors Based on Gold Nanoparticle Decorated Zinc Oxide Nanosheets
spellingShingle Highly Sensitive Hydrogen Gas Sensors Based on Gold Nanoparticle Decorated Zinc Oxide Nanosheets
Thierry Maffeis
title_short Highly Sensitive Hydrogen Gas Sensors Based on Gold Nanoparticle Decorated Zinc Oxide Nanosheets
title_full Highly Sensitive Hydrogen Gas Sensors Based on Gold Nanoparticle Decorated Zinc Oxide Nanosheets
title_fullStr Highly Sensitive Hydrogen Gas Sensors Based on Gold Nanoparticle Decorated Zinc Oxide Nanosheets
title_full_unstemmed Highly Sensitive Hydrogen Gas Sensors Based on Gold Nanoparticle Decorated Zinc Oxide Nanosheets
title_sort Highly Sensitive Hydrogen Gas Sensors Based on Gold Nanoparticle Decorated Zinc Oxide Nanosheets
author_id_str_mv 992eb4cb18b61c0cd3da6e0215ac787c
author_id_fullname_str_mv 992eb4cb18b61c0cd3da6e0215ac787c_***_Thierry Maffeis
author Thierry Maffeis
author2 Aled R. Lewis
Josef Náhlík
Daniel R. Jones
Thierry Maffeis
format Journal article
container_title Procedia Engineering
container_volume 168
container_start_page 321
publishDate 2016
institution Swansea University
issn 1877-7058
doi_str_mv 10.1016/j.proeng.2016.11.206
publisher Proceedings of the 30th anniversary Eurosensors Conference – Eurosensors 2016
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering
document_store_str 1
active_str 0
description Highly sensitive gold nanoparticle decorated zinc oxide nanosheet gas sensors have been fabricated using simple and rapid chemical methods capable of producing a normalised current gain of 2.54 (at 10V) in dry air containing 2.5ppm of hydrogen gas at 200C and a current gain of 382.53 under 125ppm. Compared to undecorated sheet based sensors where a response of 1.24 was observed under 125ppm at 200C a massive relative increase in signal is observed. The zinc oxide nanosheets are produced via a previously reported simple microwave assisted hydrothermal growth method and gold nanoparticles with mean diameter of 5nm synthesized via a simple sodium borohydride reduction of hydrogen tetrachloroaurate in the presence of polyvinylpyrrolidone (PVP) followed by drop casting onto a pre-patterned aluminium oxide substrate.
published_date 2016-12-31T03:38:36Z
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score 11.013148

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