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Tunable Surface Properties of Aluminum Oxide Nanoparticles from Highly Hydrophobic to Highly Hydrophilic

Wafaa Al-Shatty, Alex Lord Orcid Logo, Shirin Alexander Orcid Logo, Andrew Barron Orcid Logo

ACS Omega, Volume: 2, Issue: 6, Pages: 2507 - 2514

Swansea University Authors: Alex Lord Orcid Logo, Shirin Alexander Orcid Logo, Andrew Barron Orcid Logo

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DOI (Published version): 10.1021/acsomega.7b00279

Abstract

The formation of materials with tunable wettability is important for applications ranging from antifouling to waterproofing surfaces. We report the use of various low-cost and nonhazardous hydrocarbon materials to tune the surface properties of aluminum oxide nanoparticles (NPs) from superhydrophili...

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Published in: ACS Omega
ISSN: 2470-1343 2470-1343
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa34209
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first_indexed 2017-06-08T14:11:18Z
last_indexed 2021-01-15T03:53:47Z
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spelling 2021-01-14T13:32:47.7393680 v2 34209 2017-06-08 Tunable Surface Properties of Aluminum Oxide Nanoparticles from Highly Hydrophobic to Highly Hydrophilic d547bad707e12f5a9f12d4fcbeea87ed 0000-0002-6258-2187 Alex Lord Alex Lord true false 0773cc55f7caf77817be08806b8b7497 0000-0002-4404-0026 Shirin Alexander Shirin Alexander true false 92e452f20936d688d36f91c78574241d 0000-0002-2018-8288 Andrew Barron Andrew Barron true false 2017-06-08 EEN The formation of materials with tunable wettability is important for applications ranging from antifouling to waterproofing surfaces. We report the use of various low-cost and nonhazardous hydrocarbon materials to tune the surface properties of aluminum oxide nanoparticles (NPs) from superhydrophilic to superhydrophobic through covalent functionalization. The hydrocarbon surfaces are compared with a fluorinated surface for wettability and surface energy properties. The role of NPs’ hydrophobicity on their dynamic interfacial behavior at the oil–water interface and their ability to form stable emulsions is also explored. The spray-coated NPs provide textured surfaces (regardless of functionality), with water contact angles (θ) of 10–150° based on their surface functionality. The superhydrophobic NPs are able to reduce the interfacial tension of various oil–water interfaces by behaving as surfactants. Journal Article ACS Omega 2 6 2507 2514 2470-1343 2470-1343 30 6 2017 2017-06-30 10.1021/acsomega.7b00279 COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University 2021-01-14T13:32:47.7393680 2017-06-08T11:51:30.9456183 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Wafaa Al-Shatty 1 Alex Lord 0000-0002-6258-2187 2 Shirin Alexander 0000-0002-4404-0026 3 Andrew Barron 0000-0002-2018-8288 4 0034209-08062017115620.pdf TunableSurfacePropertiesofAluminumOxideNanoparticlesfromHighlyHydrophobictoHighlyHydrophilic.pdf 2017-06-08T11:56:20.4870000 Output 1637353 application/pdf Version of Record true This is an open access article published under an ACS AuthorChoice License. true eng http://pubs.acs.org/page/policy/authorchoice_termsofuse.html
title Tunable Surface Properties of Aluminum Oxide Nanoparticles from Highly Hydrophobic to Highly Hydrophilic
spellingShingle Tunable Surface Properties of Aluminum Oxide Nanoparticles from Highly Hydrophobic to Highly Hydrophilic
Alex Lord
Shirin Alexander
Andrew Barron
title_short Tunable Surface Properties of Aluminum Oxide Nanoparticles from Highly Hydrophobic to Highly Hydrophilic
title_full Tunable Surface Properties of Aluminum Oxide Nanoparticles from Highly Hydrophobic to Highly Hydrophilic
title_fullStr Tunable Surface Properties of Aluminum Oxide Nanoparticles from Highly Hydrophobic to Highly Hydrophilic
title_full_unstemmed Tunable Surface Properties of Aluminum Oxide Nanoparticles from Highly Hydrophobic to Highly Hydrophilic
title_sort Tunable Surface Properties of Aluminum Oxide Nanoparticles from Highly Hydrophobic to Highly Hydrophilic
author_id_str_mv d547bad707e12f5a9f12d4fcbeea87ed
0773cc55f7caf77817be08806b8b7497
92e452f20936d688d36f91c78574241d
author_id_fullname_str_mv d547bad707e12f5a9f12d4fcbeea87ed_***_Alex Lord
0773cc55f7caf77817be08806b8b7497_***_Shirin Alexander
92e452f20936d688d36f91c78574241d_***_Andrew Barron
author Alex Lord
Shirin Alexander
Andrew Barron
author2 Wafaa Al-Shatty
Alex Lord
Shirin Alexander
Andrew Barron
format Journal article
container_title ACS Omega
container_volume 2
container_issue 6
container_start_page 2507
publishDate 2017
institution Swansea University
issn 2470-1343
2470-1343
doi_str_mv 10.1021/acsomega.7b00279
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 1
active_str 0
description The formation of materials with tunable wettability is important for applications ranging from antifouling to waterproofing surfaces. We report the use of various low-cost and nonhazardous hydrocarbon materials to tune the surface properties of aluminum oxide nanoparticles (NPs) from superhydrophilic to superhydrophobic through covalent functionalization. The hydrocarbon surfaces are compared with a fluorinated surface for wettability and surface energy properties. The role of NPs’ hydrophobicity on their dynamic interfacial behavior at the oil–water interface and their ability to form stable emulsions is also explored. The spray-coated NPs provide textured surfaces (regardless of functionality), with water contact angles (θ) of 10–150° based on their surface functionality. The superhydrophobic NPs are able to reduce the interfacial tension of various oil–water interfaces by behaving as surfactants.
published_date 2017-06-30T03:42:26Z
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score 11.012678

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