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Development of multifunctional graphene/Fe-loaded polyester textile: robust electrical and catalytic properties
University of Borås, Faculty of Textiles, Engineering and Business.ORCID iD: 0000-0003-2820-1333
University of Borås, Faculty of Textiles, Engineering and Business.ORCID iD: 0000-0002-0362-7568
University of Borås, Faculty of Textiles, Engineering and Business.
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2020 (English)In: Dalton Transactions, ISSN 1477-9226, E-ISSN 1477-9234, Vol. 49, p. 17281-17300Article in journal (Refereed) Published
Sustainable development
According to the author(s), the content of this publication falls within the area of sustainable development.
Abstract [en]

A graphene/Fe loaded polyester fabric-PET with high electrical and catalytic properties has been successfully developed for the first time, via simple coating-incorporation method using hyperbranched poly(amidoamine)-PAMAM dendrimer as binder. Both graphene oxide (GO/rGO) and zerovalent iron (Fe0) nanoparticles were loaded on polyester fabric surface before and after chemical grafting of PAMAM.  Full characterization of fabrics before and after modifications has been studied through sessile droplet goniometry, ζ–potential, K/S coating evenness, SEM, XPS, FTIR, TGA and DSC analysis. Results showed successful and uniform coating of GO/rGO and loading of Fe0 on PET; also allowed correlating the type of chemical moiety responsible for uniform GO coating, high Fe0 loading and their electrical and catalytic activities. Sheet resistance (Rsh) analysis was carried out to measure the conductivity of the samples. The lowest Rsh (corresponds to high conductivity) has been found in PET-PAM-rGO-Fe0 (0.74±0.13 kΩ/sq) followed by PET-rGO-Fe0 (1.32±0.18 kΩ/sq), PET-PAM-rGO (2.96±0.08 kΩ/sq) and PET-rGO (3.41±0.34 kΩ/sq). Furthermore, Fe0 –loaded samples were found to be effective in catalytic removal of toxic water pollutants (crystal violet dye) with ~99% removal of pollutants in around one hour, as observed by UV-vis spectroscopy. Relatively high electrical and catalytic activity in PET-PAM-rGO-Fe0 is related to the role played by PAMAM in uniform rGO coating and high Fe0 loading. These findings are of great importance as they allow envisaging the development of multifunctional textiles for combined smart and green chemistry application.

Place, publisher, year, edition, pages
The UK: Royal Society of Chemistry, 2020. Vol. 49, p. 17281-17300
Keywords [en]
Graphene oxide, Zerovalent iron, Crystal violet, PAMAM dendrimer, Textile catalysts, Wastewater treatment
National Category
Engineering and Technology
Research subject
Textiles and Fashion (General)
Identifiers
URN: urn:nbn:se:hb:diva-23978DOI: 10.1039/D0DT03291CISI: 000599093600026Scopus ID: 2-s2.0-85098063475OAI: oai:DiVA.org:hb-23978DiVA, id: diva2:1479296
Projects
Sustainable Management and Design for Textile-SMDTexAvailable from: 2020-10-26 Created: 2020-10-26 Last updated: 2024-02-01Bibliographically approved

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Publisher's full textScopushttps://pubs.rsc.org/en/content/articlelanding/2020/dt/d0dt03291c/unauth#!divAbstract

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Morshed, Mohammad NeazAsadi, MiladPersson, Nils-KristerNierstrasz, Vincent

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