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Development of multifunctional graphene/Fe-loaded polyester textile: robust electrical and catalytic properties
Högskolan i Borås, Akademin för textil, teknik och ekonomi.ORCID-id: 0000-0003-2820-1333
Högskolan i Borås, Akademin för textil, teknik och ekonomi.ORCID-id: 0000-0002-0362-7568
Högskolan i Borås, Akademin för textil, teknik och ekonomi.
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2020 (Engelska)Ingår i: Dalton Transactions, ISSN 1477-9226, E-ISSN 1477-9234, Vol. 49, s. 17281-17300Artikel i tidskrift (Refereegranskat) Published
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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.

Ort, förlag, år, upplaga, sidor
The UK: Royal Society of Chemistry, 2020. Vol. 49, s. 17281-17300
Nyckelord [en]
Graphene oxide, Zerovalent iron, Crystal violet, PAMAM dendrimer, Textile catalysts, Wastewater treatment
Nationell ämneskategori
Teknik och teknologier
Forskningsämne
Textil och mode (generell)
Identifikatorer
URN: urn:nbn:se:hb:diva-23978DOI: 10.1039/D0DT03291CScopus ID: 2-s2.0-85098063475OAI: oai:DiVA.org:hb-23978DiVA, id: diva2:1479296
Projekt
Sustainable Management and Design for Textile-SMDTexTillgänglig från: 2020-10-26 Skapad: 2020-10-26 Senast uppdaterad: 2021-10-21Bibliografiskt granskad

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Förlagets fulltextScopushttps://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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Morshed, Mohammad NeazAsadi, MiladPersson, Nils-KristerNierstrasz, Vincent
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Akademin för textil, teknik och ekonomi
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Dalton Transactions
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