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Thermally-exfoliated graphene oxide/zno nanocomposite catalysts for photocatalytic hydrogen evolution and antibacterial activities.

Carbon nanomaterials are of great interest due to their enhanced charge separation in hydrogen evolution reactions. Herein, heterostructured TEGO/ZnO nanocomposite catalyst was obtained by combining 3D multilayer graphene-like nanomaterial obtained by green process from recycled carbon source with Z...

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Main Authors: Tuna Genç, Münevver, Sarilmaz, Adem, Dogan, Semih
Format: Article
Published: Elsevier Ltd. 2023
Subjects:
TP Chemical technology
Online Access:http://eprints.utm.my/105687/
http://dx.doi.org/10.1016/j.ijhydene.2023.04.185
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spelling my.utm.1056872024-05-08T09:30:40Z http://eprints.utm.my/105687/ Thermally-exfoliated graphene oxide/zno nanocomposite catalysts for photocatalytic hydrogen evolution and antibacterial activities. Tuna Genç, Münevver Sarilmaz, Adem Dogan, Semih TP Chemical technology Carbon nanomaterials are of great interest due to their enhanced charge separation in hydrogen evolution reactions. Herein, heterostructured TEGO/ZnO nanocomposite catalyst was obtained by combining 3D multilayer graphene-like nanomaterial obtained by green process from recycled carbon source with ZnO to improve photocatalytic activity. Here, photodeposition of MoSx and Pt in aqueous solution is performed on TEGO/ZnO nanocomposite to obtain TEGO/ZnO/MoSx and TEGO/ZnO/Pt by reducing (NH4)2MoS4 and H2PtCl6.6H2O, respectively. Photodeposited MoSx and Pt on TEGO/ZnO nanocomposite resulted in enhanced photocatalytic activity and stability due to increased active sites and enhanced electron transfer ability due to cocatalyst effect. In addition, antibacterial activity of TEGO/ZnO nanocomposite against Escherichia coli and Staphylococcus aureus was investigated by bacterial growth kinetic assay. This work could open up a new nanomaterial for chemical and biological applications. Elsevier Ltd. 2023-09-12 Article PeerReviewed Tuna Genç, Münevver and Sarilmaz, Adem and Dogan, Semih (2023) Thermally-exfoliated graphene oxide/zno nanocomposite catalysts for photocatalytic hydrogen evolution and antibacterial activities. International Journal of Hydrogen Energy, 48 (78). pp. 30407-30419. ISSN 0360-3199 http://dx.doi.org/10.1016/j.ijhydene.2023.04.185 DOI: 10.1016/j.ijhydene.2023.04.185
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic TP Chemical technology
spellingShingle TP Chemical technology
Tuna Genç, Münevver
Sarilmaz, Adem
Dogan, Semih
Thermally-exfoliated graphene oxide/zno nanocomposite catalysts for photocatalytic hydrogen evolution and antibacterial activities.
description Carbon nanomaterials are of great interest due to their enhanced charge separation in hydrogen evolution reactions. Herein, heterostructured TEGO/ZnO nanocomposite catalyst was obtained by combining 3D multilayer graphene-like nanomaterial obtained by green process from recycled carbon source with ZnO to improve photocatalytic activity. Here, photodeposition of MoSx and Pt in aqueous solution is performed on TEGO/ZnO nanocomposite to obtain TEGO/ZnO/MoSx and TEGO/ZnO/Pt by reducing (NH4)2MoS4 and H2PtCl6.6H2O, respectively. Photodeposited MoSx and Pt on TEGO/ZnO nanocomposite resulted in enhanced photocatalytic activity and stability due to increased active sites and enhanced electron transfer ability due to cocatalyst effect. In addition, antibacterial activity of TEGO/ZnO nanocomposite against Escherichia coli and Staphylococcus aureus was investigated by bacterial growth kinetic assay. This work could open up a new nanomaterial for chemical and biological applications.
format Article
author Tuna Genç, Münevver
Sarilmaz, Adem
Dogan, Semih
author_facet Tuna Genç, Münevver
Sarilmaz, Adem
Dogan, Semih
author_sort Tuna Genç, Münevver
title Thermally-exfoliated graphene oxide/zno nanocomposite catalysts for photocatalytic hydrogen evolution and antibacterial activities.
title_short Thermally-exfoliated graphene oxide/zno nanocomposite catalysts for photocatalytic hydrogen evolution and antibacterial activities.
title_full Thermally-exfoliated graphene oxide/zno nanocomposite catalysts for photocatalytic hydrogen evolution and antibacterial activities.
title_fullStr Thermally-exfoliated graphene oxide/zno nanocomposite catalysts for photocatalytic hydrogen evolution and antibacterial activities.
title_full_unstemmed Thermally-exfoliated graphene oxide/zno nanocomposite catalysts for photocatalytic hydrogen evolution and antibacterial activities.
title_sort thermally-exfoliated graphene oxide/zno nanocomposite catalysts for photocatalytic hydrogen evolution and antibacterial activities.
publisher Elsevier Ltd.
publishDate 2023
url http://eprints.utm.my/105687/
http://dx.doi.org/10.1016/j.ijhydene.2023.04.185
_version_ 1800082648517836800
score 13.211869

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