Silane functionalization of WS<sub>2</sub> nanotubes for interaction with poly(lactic acid)

Magee, Eimear; Teng, Fengzai; Walker, Marc; Zak, Alla; Tenne, Reshef; McNally, Tony

doi:10.1039/d3nr00583f

Cited by 1 publication

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“…Such occurrence of the shift can be attributed to the strong electronphonon coupling [33], arising from the interaction between H and C atoms of PVDF-HFP and S atoms WS 2 . Such an event has been witnessed in WS 2 when functionalized with Silicone or graphene [36,37].…”

Section: Resultsmentioning

confidence: 90%

PVDF-HFP encapsulated WS₂ nanosheets in droplet-based triboelectric nanogenerators for possible detection of human Na⁺/K⁺ ion concentration

Baraily,

Baro,

Boruah

et al. 2024

Nanotechnology

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Here we report the liquid–solid interaction in droplet-based triboelectric nanogenerators (TENG) for estimation of human Na+/K+ levels. The exploitation of PVDF-HFP encapsulated WS2 as active layer in the droplet-based TENG (DTENG) leads to the generation of electrical signal during the impact of water droplet. Comparison over the control devices indicates that surface quality and dielectric nature of the PVDF-HFP/WS2 composite largely dictates the performance of the DTENG. The demonstration of excellent sensitivity of the DTENG towards water quality indicates its promising application towards water testing. In addition, the alteration in output signal with slightest variation in ionic concentration (Na+ or K+) in water has been witnessed and is interpreted with charge transfer and ion transfer processes during liquid–solid interaction. The study reveals that the ion mobility largely affects the ion adsorption process on the active layer of PVDF-HFP/WS2 and thus generates distinct output profiles for diverse ions like Na+ and K+. Following that, the DTENG characteristics have been exploited to artificial urine where the varying output signals have been recorded for variation in urinary Na+ ion concentration. Therefore, the deployment of PVDF-HFP/WS2 in DTENG holds promising application towards the analyse of ionic characteristics of body fluids.

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Section: Resultsmentioning

confidence: 90%

PVDF-HFP encapsulated WS₂ nanosheets in droplet-based triboelectric nanogenerators for possible detection of human Na⁺/K⁺ ion concentration

Baraily,

Baro,

Boruah

et al. 2024

Nanotechnology

View full text Add to dashboard Cite

show abstract

Silane functionalization of WS₂ nanotubes for interaction with poly(lactic acid)

Abstract: Functionalisation of nanofillers is required for the promotion of strong interfacial interactions with polymers and is essential as a route for the preparation of (nano)composites with superior mechanical properties. Tungsten...

Cited by 1 publication

References 73 publications

PVDF-HFP encapsulated WS₂ nanosheets in droplet-based triboelectric nanogenerators for possible detection of human Na⁺/K⁺ ion concentration

PVDF-HFP encapsulated WS₂ nanosheets in droplet-based triboelectric nanogenerators for possible detection of human Na⁺/K⁺ ion concentration

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Silane functionalization of WS2 nanotubes for interaction with poly(lactic acid)

Abstract: Functionalisation of nanofillers is required for the promotion of strong interfacial interactions with polymers and is essential as a route for the preparation of (nano)composites with superior mechanical properties. Tungsten...

Cited by 1 publication

References 73 publications

PVDF-HFP encapsulated WS2 nanosheets in droplet-based triboelectric nanogenerators for possible detection of human Na+/K+ ion concentration

PVDF-HFP encapsulated WS2 nanosheets in droplet-based triboelectric nanogenerators for possible detection of human Na+/K+ ion concentration

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Product

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About

Silane functionalization of WS₂ nanotubes for interaction with poly(lactic acid)

PVDF-HFP encapsulated WS₂ nanosheets in droplet-based triboelectric nanogenerators for possible detection of human Na⁺/K⁺ ion concentration

PVDF-HFP encapsulated WS₂ nanosheets in droplet-based triboelectric nanogenerators for possible detection of human Na⁺/K⁺ ion concentration