Wettability of MXene films

Machata, Peter; Hofbauerová, Monika; Soyka, Yaryna; Stepura, Anastasiia; Truchan, Daniel; Halahovets, Yuriy; Mičušík, Matej; Šiffalovič, Peter; Majková, E.; Omastová, Mária

doi:10.1016/j.jcis.2022.04.135

Cited by 10 publications

(15 citation statements)

References 64 publications

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“…Further, Eq. ( 3 ) considers the effect of Laplace pressure being ignored in the Young’s and the modified Young’s relation [ 9 ]: Contact angle is a unique property for a given solid, liquid, and vapor system; however, it varies in reality between the two advancing (maximal) and receding (minimal) values due to contact angle hysteresis [ 22 ]. Being measured by dynamic experiments wherein a droplet is in movement, the advancing ( ) and receding ( ) contact angles can be obtained, and their difference ( ) provides the value of contact angle hysteresis, being greatly dependent on a number of parameters such as chemical heterogeneity and roughness [ 11 , 22 , 23 ].…”

Section: Wetting Basicsmentioning

confidence: 99%

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Wetting of MXenes and Beyond

Malaki

Varma

2023

Nano-Micro Lett.

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MXenes are a class of 2D nanomaterials with exceptional tailor-made properties such as mechano-ceramic nature, rich chemistry, and hydrophilicity, to name a few. However, one of the most challenging issues in any composite/hybrid system is the interfacial wetting. Having a superior integrity of a given composite system is a direct consequence of the proper wettability. While wetting is a fundamental feature, dictating many physical and chemical attributes, most of the common nanomaterials possesses poor affinity due to hydrophobic nature, making them hard to be easily dispersed in a given composite. Thanks to low contact angle, MXenes can offer themselves as an ideal candidate for manufacturing different nano-hybrid structures. Herein this review, it is aimed to particularly study the wettability of MXenes. In terms of the layout of the present study, MXenes are first briefly introduced, and then, the wettability phenomenon is discussed in detail. Upon reviewing the sporadic research efforts conducted to date, a particular attention is paid on the current challenges and research pitfalls to light up the future perspectives. It is strongly believed that taking the advantage of MXene’s rich hydrophilic surface may have a revolutionizing role in the fabrication of advanced materials with exceptional features.

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Section: Wetting Basicsmentioning

confidence: 99%

“…According to LW–AB model, the total surface energy ( ) can be estimated through Eq. ( 4 ) that consists two important components, namely, dispersion component ( ) and acid–base component ( ): The first component is due to Lifshitz–van der Waals interactions while the second is due to Lewis interactions [ 22 ].…”

Section: Wetting Basicsmentioning

confidence: 99%

Wetting of MXenes and Beyond

Malaki

Varma

2023

Nano-Micro Lett.

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“…[ 79 ] Recently, efforts have been made to investigate the influence of the substrate on the wettability of MXenes, in which Ti 3 C 2 T x films with various number of layers (from 1 to 3) have been deposited onto two different types of substrates (i.e., hydroxyl group‐terminated and amino group‐terminated silicon surfaces) by the Langmuir–Schaefer process from the same parent dispersion. [ 41 ] As shown in Figure a, the contact angle shows limited change with the increased number of MXene layers from 1 to 3 on both types of substrates, implying the negligible impact of the substrate on the wettability of MXenes. [ 41 ] The observed shielding effect was attributed to the large interlayer distance between the substrate and the sheets by the authors.…”

Section: Wettability Of Pure Mxenesmentioning

confidence: 99%

mentioning

confidence: 99%

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Current Understanding of the Wettability of MXenes

Zhou

et al. 2022

Adv Materials Inter

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Since the first report regarding the successful fabrication of few‐layer transition metal carbides (known as MXenes) of 2011, their intrinsic properties, such as mechanical strength and electrical conductivity, are intensively studied. Though the hydrophilic nature of MXenes is widely reported and utilized to fabricate various functional materials, there is a lack of systematic study with respect to the science behind the wetting phenomena of MXene‐based materials. The goal of this manuscript is to provide some useful guidelines in the design of novel MXene‐based systems with desirable wetting properties by analyzing the current understanding of the wettability of MXenes. Specifically, after the introduction of the fundamental concepts in wetting theory, the wettability of pure MXene films is summarized based on the recently published results from both theoretical and experimental studies. Then, the determining factors in the wetting properties of MXenes associated with surface architectures and chemical compositions are clarified, which is followed by the effect of hybridization strategies discussed in detail. In the end, a summary of the abundant applications relying on the wetting properties of MXene‐based systems is presented along with the current challenges and the corresponding future research directions in this field.

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Mechanical Properties, Energy Absorption, and Shape Memory Behavior of 3D Printed PLA‐MXene Nanocomposites and Gyroid Lattices

Srinivas,

Jacob,

Shebeeb C

et al. 2024

Adv Eng Mater

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This work investigates the influence of MXene content on the mechanical and functional response of PLA‐MXene composites fabricated additively using fused deposition modeling. The mechanical, thermal, and microstructural properties of the fabricated samples are investigated considering dense and architected triply periodic minimal surfaces (TPMS) gyroid specimens. Overall, the addition of 0.25–0.5 wt% MXene is found to improve the stiffness, fracture strength, and energy absorption capabilities of the PLA. However, further increasing MXene content to 1 wt% becomes detrimental to the general performance of the composite. In terms of functional behavior, the PLA‐MXene blends developed in this work are shown to display a shape memory effect, wherein deformed samples are shown to recover their shape when submerged in hot water. The reported results provide insights into the use of PLA‐MXene in engineering applications, namely those involving impact shielding or energy absorption.

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Wettability of MXene films

Cited by 10 publications

References 64 publications

Wetting of MXenes and Beyond

Wetting of MXenes and Beyond

Current Understanding of the Wettability of MXenes

Mechanical Properties, Energy Absorption, and Shape Memory Behavior of 3D Printed PLA‐MXene Nanocomposites and Gyroid Lattices

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