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Developing Modified Graphene Oxide Based Sensor for Lead Ions Detection in Water

Xiaozhou Wang, Baoping Jia, Wei Zhang Orcid Logo, Bencai Lin, Qiuze Wang, Jianning Ding

ChemistrySelect, Volume: 1, Issue: 8, Pages: 1751 - 1755

Swansea University Author: Wei Zhang Orcid Logo

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DOI (Published version): 10.1002/slct.201600376

Abstract

Blade coating method was employed to fabricate the pure graphene oxide sensors, whose sensitivity turned out to be about 10−9 M for detection of lead ions (Pb2+). To improve its ability to detect Pb2+ at much lower concentration, modification with 50–200 nm Au nanoparticles (AuNPs) was performed on...

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Published in: ChemistrySelect
ISSN: 2365-6549
Published: Wiley 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa44282
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first_indexed 2018-09-18T12:57:29Z
last_indexed 2018-10-08T19:28:05Z
id cronfa44282
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spelling 2018-10-08T15:44:57.9837887 v2 44282 2018-09-18 Developing Modified Graphene Oxide Based Sensor for Lead Ions Detection in Water 3ddabbb54b2cfa2ea10f590ea7da6520 0000-0003-3129-2918 Wei Zhang Wei Zhang true false 2018-09-18 CHEG Blade coating method was employed to fabricate the pure graphene oxide sensors, whose sensitivity turned out to be about 10−9 M for detection of lead ions (Pb2+). To improve its ability to detect Pb2+ at much lower concentration, modification with 50–200 nm Au nanoparticles (AuNPs) was performed on graphene oxide based on the fact that Pb2+ could accelerate the leaching rate of AuNPs on the surface of graphene by S2O32− and 2‐mercaptoethanel (2‐ME), leading to the sensitivity improved over 2 order magnitude, as well as excellent selectivity toward lead ions over a wide range of other metal ions. The approach and findings presented in this paper could also be extended to the fabrication of other heavy metal ions sensors and the improvement of their performances. Journal Article ChemistrySelect 1 8 1751 1755 Wiley 2365-6549 graphene oxide, lead ion, nanoparticles, sensor, water 1 6 2016 2016-06-01 10.1002/slct.201600376 COLLEGE NANME Chemical Engineering COLLEGE CODE CHEG Swansea University 2018-10-08T15:44:57.9837887 2018-09-18T12:15:10.0538347 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Xiaozhou Wang 1 Baoping Jia 2 Wei Zhang 0000-0003-3129-2918 3 Bencai Lin 4 Qiuze Wang 5 Jianning Ding 6
title Developing Modified Graphene Oxide Based Sensor for Lead Ions Detection in Water
spellingShingle Developing Modified Graphene Oxide Based Sensor for Lead Ions Detection in Water
Wei Zhang
title_short Developing Modified Graphene Oxide Based Sensor for Lead Ions Detection in Water
title_full Developing Modified Graphene Oxide Based Sensor for Lead Ions Detection in Water
title_fullStr Developing Modified Graphene Oxide Based Sensor for Lead Ions Detection in Water
title_full_unstemmed Developing Modified Graphene Oxide Based Sensor for Lead Ions Detection in Water
title_sort Developing Modified Graphene Oxide Based Sensor for Lead Ions Detection in Water
author_id_str_mv 3ddabbb54b2cfa2ea10f590ea7da6520
author_id_fullname_str_mv 3ddabbb54b2cfa2ea10f590ea7da6520_***_Wei Zhang
author Wei Zhang
author2 Xiaozhou Wang
Baoping Jia
Wei Zhang
Bencai Lin
Qiuze Wang
Jianning Ding
format Journal article
container_title ChemistrySelect
container_volume 1
container_issue 8
container_start_page 1751
publishDate 2016
institution Swansea University
issn 2365-6549
doi_str_mv 10.1002/slct.201600376
publisher Wiley
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 Engineering and Applied Sciences - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
document_store_str 0
active_str 0
description Blade coating method was employed to fabricate the pure graphene oxide sensors, whose sensitivity turned out to be about 10−9 M for detection of lead ions (Pb2+). To improve its ability to detect Pb2+ at much lower concentration, modification with 50–200 nm Au nanoparticles (AuNPs) was performed on graphene oxide based on the fact that Pb2+ could accelerate the leaching rate of AuNPs on the surface of graphene by S2O32− and 2‐mercaptoethanel (2‐ME), leading to the sensitivity improved over 2 order magnitude, as well as excellent selectivity toward lead ions over a wide range of other metal ions. The approach and findings presented in this paper could also be extended to the fabrication of other heavy metal ions sensors and the improvement of their performances.
published_date 2016-06-01T03:55:30Z
_version_ 1763752784418570240
score 10.998116

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