Transport properties of a highly conductive 2D Ti3C2Tx MXene/graphene composite

Aïssa, Brahim; Ali, Adnan; Mahmoud, Khaled A.; Haddad, Thomas; Nedil, Mourad

doi:10.1063/1.4960155

Cited by 85 publications

(53 citation statements)

References 35 publications

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“…The structural formula of MXene is M n + 1 AX n ( n is an integer between 1 and 3), where M refers to a transition metal and X refers to C or/and N. MXenes are fabricated by immersing Al‐containing MAX powders in hydrogen fluoride solution, which leads to the termination of MXene surfaces . These terminated MXenes have the form of M n +1 X n T x , where X is carbon and/or nitrogen, T x is the terminated functional groups (i.e., ‐OH, ‐O, or ‐F) . MXene is a big family, where more than 70 different MAX phases have been reported since its first experimental fabrication in 2011, as far as we know .…”

Section: Introductionmentioning

confidence: 99%

Nonlinear Few‐Layer MXene‐Assisted All‐Optical Wavelength Conversion at Telecommunication Band

Song

Chen

Jiang

et al. 2019

Advanced Optical Materials

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logic operations, and buffering, are still lacking in practically usable forms. It is still challenging to improve the optical device performance for practical applications, including reducing footprint size, required optical power levels, and device performance regarding nonlinear transfer characteristics. Wavelength conversion between adjacent channels is one of the essential functions in advanced optical networks. As a crucial component in the optical communication system, alloptical wavelength converter should be with advantages of high speed, bit rate transparency, low chirp, and no extinction ratio degradation. [4,5] Wavelength conversion in the optical system was typically realized by utilizing the parametric nonlinear optical effect, including cross gain modulation (XGM), [6] four-wave mixing (FWM), [7][8][9][10][11][12][13] and cross phase modulation (XPM) effect. [14,15] These nonlinear optical wavelength converters were typically realized in semiconductor optical amplifiers (SOA). [6] By using the SOAs, the XGM-based method is highly power efficient and polarization independent but suffers from high extinction ratio degradation. Besides, only converted signal can be obtained in the desired wavelength through the XGM-based method. The XPM-based method can convert signal to the target wavelength with converted signal into a SOA-Mach-Zehnder interferometer structure. [16] However, the input power of the XPM-based method is limited in a certain range and has to be integrated. FWM method is attractive because it is transparent to modulation format and capable of transmitting high bit rate signals. [6] FWM methods typically suffer from low conversion efficiency and fast decrease on efficiency as wavelength span increases. Researchers have also investigated other nonlinear optical methods to realize the wavelength conversion, such as highly nonlinear optical fiber, [17] nonlinear optical loop mirror, [18] optical filtering, [19] or based on time-domain holography [20] and so on. These previous methods suffer from high cost, unstable, bulky, or difficult to be compatible in the fiber system.In the last decade, novel materials-based optical devices are considered as an effective solution. Silicon was considered to be with great potential in the optical signal processing system as it is transparent at the near-and mid-infrared telecommunication regime and with high nonlinearity. [21][22][23][24] Silicon waveguides have been reported as optical wavelength converter in the photonic signal processing system. [25,26] For the all-optical applications utilizing the third-order nonlinear properties of Optical signal processing based on 2D materials is a hot topic which has attracted rising interests. As a novel class of 2D material, MXene is becoming a promising nonlinear photonics material. In this contribution, MXene Ti 3 C 2 T x , prepared by liquid acid etching method, is developed as a novel all-optical device by depositing on a microfiber, which shows an excellent nonlinear optical response at the telecommunicati...

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Section: Introductionmentioning

confidence: 99%

Nonlinear Few‐Layer MXene‐Assisted All‐Optical Wavelength Conversion at Telecommunication Band

Song

Chen

Jiang

et al. 2019

Advanced Optical Materials

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“…MXenes are extensively used in battery electrode materials, as electrons are able to transfer swiftly across their microstructures. [32][33][34][35][36] Serving as ah ighly capable candidate for the electrodeso fi on batteries, [37] Ti 3 C 2 changes constantly in the titanium oxidation phaseift he battery is charged or discharged, because initial ion intercalation supplies access to the electrochemically active surface of the transition-metal oxide, and the conductive carbidel ayer guarantees fast electron transfer. [38,39] Besides, the capacity of Ti 3 C 2 can be expanded through decoration with certain ions.…”

Section: Introductionmentioning

confidence: 99%

Functional MXene Materials: Progress of Their Applications

Wang

Cao

et al. 2018

Chemistry An Asian Journal

173

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Nowadays, two-dimensional materials have many applications in materials science. As a novel two-dimensional layered material, MXene possesses distinct structural, electronic, and chemical properties; thus, it has potential applications in many fields, including battery electrodes, energy storage materials, sensors, and catalysts. Up to now, more than 70 MAX phases have been reported. However, in contrast to the variety of MAX phases, the existing MXene family merely includes Ti C, Ti C , (Ti , Nb ) C, (V , Cr ) C , Nb C, Ti CN, Ta C , V C, and Nb C . Among these materials, the Ti C T MXene exhibits prominently high volumetric capacitance, and the rate at which it transports electron is suitable for electrode materials in batteries and supercapacitors. Hence, Ti C T is commonly utilized as an electrode material in ion batteries such as Li , Na , K , Mg , Ca , and Al batteries. What is more, Ti C has the biggest specific surface area among all of these potential MXene phases, and therefore, Ti C has remarkably high gravimetric hydrogen storage capacities. In addition, Ti CO materials display extremely high activity for CO oxidation, which makes it possible to design catalysts for CO oxidation at low temperatures. Furthermore, Ti C T with O, OH, and/or F terminations can be used for water purification owing to excellent water permeance, favorable filtration ability, and long-time operation ability. This review supplies a relatively comprehensive summary of various applications of MXenes over the past few years.

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“…During the reaction process, 2D layer Mo 2 C is in situ growing on the surface of graphene layer. [139] In solution mixing processes, the compounding process is much more straightforward as long as both precursors are stirred or mixed with ultrasound in a solution. [69] Besides, Fan et al also reported a method of growing 2D layer Mo 2 C on vertically distributed graphene, which was obtained from vertically distributed CNTs.…”

Section: Mxene-graphene Compositesmentioning

confidence: 99%

“…In the alternating deposition process, two atomizing jets containing two precursor solutions alternately www.advmatinterfaces.de spray the sample onto the substrate, and then the products are dried to form sandwich-structured MXene-based composites. [139] In solution mixing processes, the compounding process is much more straightforward as long as both precursors are stirred or mixed with ultrasound in a solution. [136] Solution mixing is the most commonly used method for preparing MXene/reduced graphene oxide composite (MXene/rGO).…”

Section: Mxene-graphene Compositesmentioning

confidence: 99%

MXene‐Based Composites: Synthesis and Applications in Rechargeable Batteries and Supercapacitors

Yang

Bao

Jaumaux

et al. 2019

Adv Materials Inter

229

142

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The family of 2D transition metal carbides, nitrides, and carbonitrides (collectively called MXenes) is rapidly studied since the initial synthesis of Ti3C2Tx (MXene). The surface of MXenes etched by hydrofluoric acid has hydrophilic groups (F, OH, and O), which leads the surface to be negatively charged. Consequently, the negatively charged surface can facilitate the compounding of MXenes with other positively charged materials and prevent MXenes from aggregating with some negatively charged substances, thus promoting the formation of a stable dispersion. The MXene‐based composites have better electrochemical performance than both precursors due to synergistic effects. This review elaborates and discusses the development of MXene‐based composites. It is aimed to summarize the various methods of fabricating MXene‐based composites. The applications of MXene‐based composites in batteries and supercapacitors are presented along with analysis of their excellent electrochemical performances. Finally, the authors propose the approach for further enhancing the electrochemical performances of MXene‐based composite electrode materials.

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Transport properties of a highly conductive 2D Ti3C2Tx MXene/graphene composite

Cited by 85 publications

References 35 publications

Nonlinear Few‐Layer MXene‐Assisted All‐Optical Wavelength Conversion at Telecommunication Band

Nonlinear Few‐Layer MXene‐Assisted All‐Optical Wavelength Conversion at Telecommunication Band

Functional MXene Materials: Progress of Their Applications

MXene‐Based Composites: Synthesis and Applications in Rechargeable Batteries and Supercapacitors

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