Optimization of the Electrochemical Method of Obtaining Graphene Nanoplatelets (GNPs)

Grabowska, Anna; Kowalczyk, Jerzy; Tomala, Robert; Ptak, Maciej; Małecka, Małgorzata A.; Wedzynska, Anna; Stefański, M.; Stręk, W.; Głuchowski, Paweł

doi:10.3390/ma16062188

Cited by 4 publications

(1 citation statement)

References 43 publications

(46 reference statements)

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“…The graphene nanoflakes were prepared using the electrochemical method previously described by us in detail in Ref [ 61 ]. The two graphite foil strips (cathodes) were placed in a beaker with an aqueous solution of 0.1 molar ammonium sulfate, and one anode (graphite block) was placed between them.…”

Section: Methodsmentioning

confidence: 99%

Effect of the Addition of Graphene Flakes on the Physical and Biological Properties of Composite Paints

Bartczak,

Kowalczyk,

Tomala

et al. 2023

Molecules

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In this study, graphene flakes were obtained using an electrolytic method and characterized using X-ray diffraction (XRD), Raman and FTIR spectroscopy, scanning and transmission electron microscopy (SEM/TEM). Graphene-based composites with varying concentrations of 0.5%, 1% and 3% by weight were prepared with acrylic paint, enamel and varnish matrices. The mechanical properties were evaluated using micro-hardness testing, while wettability and antimicrobial activity against three pathogens (Staphylococcus aureus 33591, Pseudomonas aeruginosa 15442, Candida albicans 10231) were also examined. The results indicate that the addition of graphene flakes significantly enhances both the mechanical and antimicrobial properties of the coatings.

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Section: Methodsmentioning

confidence: 99%

Effect of the Addition of Graphene Flakes on the Physical and Biological Properties of Composite Paints

Bartczak,

Kowalczyk,

Tomala

et al. 2023

Molecules

Self Cite

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Preparation and characterization of Graphene nanofluids for immersion quenching

Suresh Babu,

Arularasan,

Babu

2024

Materials Today: Proceedings

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Mechanical and Antimicrobial Properties of the Graphene-Polyamide 6 Composite

Głuchowski,

Macieja,

Tomala

et al. 2024

Materials

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This paper presents the synthesis and characterization of graphene–polymer composites, focusing on their mechanical and antibacterial properties. Graphene flakes were obtained via an electrochemical method and integrated into polyamide 6 (PA6) matrices using melt intercalation. Various characterization techniques confirmed the quality of the graphene flakes, including X-ray diffraction (XRD), Raman spectroscopy, and infrared (IR) spectroscopy, as well as scanning and transmission electron microscopy (SEM and TEM) imaging. Mechanical tests showed an increase in the elastic modulus with graphene incorporation, while the impact strength decreased. The SEM analysis highlighted the dispersion of the graphene flakes within the composites and their impact on fracture behavior. Antimicrobial tests demonstrated significant antibacterial properties of the composites, attributed to both oxidative stress and mechanical damage induced by the graphene flakes. The results suggest promising applications for graphene–polymer composites in advanced antimicrobial materials.

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Optimization of the Electrochemical Method of Obtaining Graphene Nanoplatelets (GNPs)

Cited by 4 publications

References 43 publications

Effect of the Addition of Graphene Flakes on the Physical and Biological Properties of Composite Paints

Effect of the Addition of Graphene Flakes on the Physical and Biological Properties of Composite Paints

Preparation and characterization of Graphene nanofluids for immersion quenching

Mechanical and Antimicrobial Properties of the Graphene-Polyamide 6 Composite

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