MXenes and their transformation to composites for potential applications

Pershaanaa, M.; Kamarulazam, Fathiah; Gerard, Ong; Goh, Zhi Ling; Bashir, Shahid; Baruah, Kashmiri; Deb, Pritam; Subramaniam, Ramesh; Ramesh, K.

doi:10.1016/j.mtcomm.2023.106143

Cited by 4 publications

(4 citation statements)

References 307 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…At 292.2 eV, a distinct peak in PPD corresponds to the aromatic ring structure in the DA. 24 The Ti 2p XPS spectra of PPD (Figure 2e) shows that the Ti 2p peak can be deconvoluted into six distinct peaks with significant intensities: 8,25,26 Ti−C, Ti II , and Ti−O. This indicates that the encapsulation process did not alter the chemical composition of Ti 3 C 2 T x .…”

Section: Resultsmentioning

confidence: 93%

“…In the C 1s X-ray photoelectron spectroscopy (XPS) spectrum of Ti 3 C 2 T x @PPD (Figure d), six deconvoluted peaks can be discerned, which can be compared with the C 1s spectrum of Ti 3 C 2 T x . At 292.2 eV, a distinct peak in PPD corresponds to the aromatic ring structure in the DA . The Ti 2p XPS spectra of PPD (Figure e) shows that the Ti 2p peak can be deconvoluted into six distinct peaks with significant intensities: ,, Ti–C, Ti II , and Ti–O.…”

Section: Results and Discussionmentioning

confidence: 97%

See 1 more Smart Citation

Boron-Based Polyphosphazene-Functionalized Mxene Nanosheets for Polypropylene Composites with Improved Mechanical Properties and Flame Retardancy Applications

Liu,

Wang,

Ding

et al. 2024

ACS Appl. Nano Mater.

View full text Add to dashboard Cite

Developing high-performance resins with exceptional thermal oxidation stability, flame retardancy, smoke release suppression, and mechanical properties is an important industrial challenge. However, current flame-retardant design strategies often compromise other composite material properties. Especially when using polyolefin, unsaturated polyester, and other noncharred materials, it is usually necessary to add large amounts of flame-retardant fillers. In this study, a nanosynergist (Ti 3 C 2 T x @PPD) for functionalizing Ti 3 C 2 T x nanosheets with boron-based polyphosphazene was designed and adopted for a piperazine pyrophosphate/polypropylene (PAPP/PP) system as an application example. By controlling the chemical environment of cyclotriphosphazene, the condensed phase characteristics of polyphosphazene were preserved, but also an atypical vapor phase flame-retardant mechanism was activated. The combination of P/N/B elements and Ti 3 C 2 T x exhibited excellent catalytic char-forming performance compared to others in the literature. Only 2% of incorporated Ti 3 C 2 T x @PPD reduced the total heat released from the composite by 66.3%, the total smoke released by 71.8%, and the fire growth index by 49.4%. The incorporation of Ti 3 C 2 T x @PPD inhibited deterioration of the mechanical properties of the composite. In addition, the pyrolysis path of Ti 3 C 2 T x was revealed under a special environment. This study lays the foundation for the functional design of Ti 3 C 2 T x nanomaterials that can be used in various applications that require high-performance resins.

show abstract

Section: Resultsmentioning

confidence: 93%

Section: Results and Discussionmentioning

confidence: 97%

Boron-Based Polyphosphazene-Functionalized Mxene Nanosheets for Polypropylene Composites with Improved Mechanical Properties and Flame Retardancy Applications

Liu,

Wang,

Ding

et al. 2024

ACS Appl. Nano Mater.

View full text Add to dashboard Cite

show abstract

“…In figure 5(a), the pHRR of pure EVA was 688.2 kW m −2 , whereas it rose to 895.1 kW m −2 after incorporating MXene, indicating MXene initially had no significant heat suppression effect pre-stripping. Conversely, due to poor dispersion, MXene tended to agglomerate within the EVA matrix, resulting in restricted thermal condensation, thus releasing more heat during combustion compared to pure EVA, particularly up to about 185 s. However, after exfoliation, e-MXene, e-MXene@Ag0.5, and e-MXene@Ag1.0 exhibited improved dispersion, increased specific surface area, and enhanced catalytic activity, mitigating rapid heat release and reducing the pHRR in their EVA composites [33]. This trend was corroborated by THR.…”

Section: Combustion Performance Evaluation Of Eva Compositesmentioning

confidence: 99%

In situ growth of Ag nanoparticles on the surface of MXene by γ-ray irradiation to fabricate EVA composite: the improvement of flame retardancy, smoke suppression, and mechanical properties

Xu,

Li,

Wang

et al. 2024

J. Phys. D: Appl. Phys.

View full text Add to dashboard Cite

A large amount of toxic smoke and heat generated by the combustion of ethylene vinyl acetate copolymer (EVA) poses a significant threat to human fire escape evacuation. This work aims to use γ-ray to prepare e-MXene@Ag hybrid flame-retardant materials by the method of in-situ reduction, and EVA composites are prepared by melt blending to reduce the smoke and toxic gases produced during combustion significantly. Compared with pure EVA, the total heat release, total smoke release, and the production rate of CO and CO2 produced by the combustion of EVA composite with 1wt% e-MXene@Ag1.0 decreased by 30.3%, 33.3%, 18.2%, and 20.1% respectively, while the content of residue increased by 907.4%. The fire hazard reduction of EVA composite materials was due to the physical barrier, catalytic carbonization and adsorption of the e-MXene@Ag1.0 hybrid. In addition, e-MXene@Ag1.0 can also further increase the mechanical properties of EVA composites due to its own "multi-contact point limit structure."

show abstract

“…The terminal groups of MXenes render them hydrophilic, allowing them to disperse easily in solvents, including water, and exhibit remarkable electrochemical properties. Composites of MXenes with other materials such as conducting polymers, graphene, metal sulfides, carbon nanotubes, and metal nanoparticles with improved characteristics are currently being developed [47]. MXenes have emerged as an important material for anodes of lithium-ion batteries (LIBs), capacitors, optoelectronics, catalysis, biomedicine, and EM shielding [48,49].…”

Section: Mxenementioning

confidence: 99%

Nano-enabled smart and functional materials toward human well-being and sustainable developments

Rajeev,

Yin,

Kalambate

et al. 2024

Nanotechnology

View full text Add to dashboard Cite

Fabrication and operation on increasingly smaller dimensions have been highly integrated with the development of smart and functional materials; they are key to many technological innovations to meet economic and societal needs. Along with many researchers worldwide, the Waterloo Institute for Nanotechnology (WIN) has long realized the synergetic interplays between nanotechnology and functional materials and designated “Smart & Functional Materials” as one of its four major research themes. Thus far, WIN researchers have utilized the properties of smart polymers, nanoparticles, and nanocomposites to develop active materials, membranes, films, adhesives, coatings, and devices with novel and improved properties and capabilities. In this review article, we aim to highlight some of the recent developments on the subject including our own research and key research literature in the context of the UN Sustainability development goals.

show abstract

MXenes and their transformation to composites for potential applications

Cited by 4 publications

References 307 publications

Boron-Based Polyphosphazene-Functionalized Mxene Nanosheets for Polypropylene Composites with Improved Mechanical Properties and Flame Retardancy Applications

Boron-Based Polyphosphazene-Functionalized Mxene Nanosheets for Polypropylene Composites with Improved Mechanical Properties and Flame Retardancy Applications

In situ growth of Ag nanoparticles on the surface of MXene by γ-ray irradiation to fabricate EVA composite: the improvement of flame retardancy, smoke suppression, and mechanical properties

Nano-enabled smart and functional materials toward human well-being and sustainable developments

Contact Info

Product

Resources

About