Ultra-thin broadband terahertz absorption and electromagnetic shielding properties of MXene/rGO composite film

Li, Shangjing; Xu, Shijie; Pan, Kaichao; Du, Jiang; Qiu, Jun

doi:10.1016/j.carbon.2022.03.048

Cited by 55 publications

(22 citation statements)

References 54 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The detection of biological small molecules can be achieved by using the change of electric field [ 20 ]. Graphene has various forms, such as graphene oxide (GO) [ 21 ], reduced graphene (RGO) [ 20 ], and graphene nanoribbons (GNRs) [ 22 ]. It has gained a lot of attention in the field of terahertz technology methods.…”

Section: Introductionmentioning

confidence: 99%

Advances in terahertz metasurface graphene for biosensing and application

Yang

You

2023

Discover Nano

View full text Add to dashboard Cite

Based on the extraordinary electromagnetic properties of terahertz waves, such as broadband, low energy, high permeability, and biometric fingerprint spectra, terahertz sensors show great application prospects in the biochemical field. However, the sensitivity of terahertz sensing technology is increasingly required by modern sensing demands. With the development of terahertz technology and functional materials, graphene-based terahertz metasurface sensors with the advantages of high sensitivity, fingerprint identification, nondestructive and anti-interference are gradually gaining attention. In addition to providing ideas for terahertz biosensors, these devices have attracted in-depth research and development by scientists. An overview of graphene-based terahertz metasurfaces and their applications in the detection of biochemical molecules is presented. This includes sensor mechanism research, graphene metasurface index evaluation, protein and nucleic acid sensors, and other chemical molecule sensing. A comparative analysis of graphene, nanomaterials, silicon, and metals to develop material-integrated metasurfaces. Furthermore, a brief summary of the main performance results of this class of devices is presented, along with suggestions for improvements to the existing shortcoming.

show abstract

Section: Introductionmentioning

confidence: 99%

Advances in terahertz metasurface graphene for biosensing and application

Yang

You

2023

Discover Nano

View full text Add to dashboard Cite

show abstract

“…[24] MXenes are explored in EMI shielding applications, especially terahertz broadband shielding, due to their high electrical conductivity and intrinsic radiation absorption capacity. [8,11,[24][25][26][27][28] Due to their high electrical conductivity, MXenes exhibit multiple reflection mechanisms between layers and contribute to secondary interferences, which can be rectified by either structural design or composite strategies. [18] Various structural designs such as thin film, [4,11,19,29] solid pellet, [30] porous film, [31] foam, [7,8,32,33] sponge, [26,34] fabric, [35] aerogel, [36,37] membrane, [9,16,38] and paint [39] are explored for MXenes to attenuate electromagnetic interference.…”

Section: Introductionmentioning

confidence: 99%

“…[8,11,[24][25][26][27][28] Due to their high electrical conductivity, MXenes exhibit multiple reflection mechanisms between layers and contribute to secondary interferences, which can be rectified by either structural design or composite strategies. [18] Various structural designs such as thin film, [4,11,19,29] solid pellet, [30] porous film, [31] foam, [7,8,32,33] sponge, [26,34] fabric, [35] aerogel, [36,37] membrane, [9,16,38] and paint [39] are explored for MXenes to attenuate electromagnetic interference. Structural design helps to produce a higher absorption-to-transmission ratio, interfacial scattering, and multiple reflective surfaces, successfully mitigating secondary EMI pollution.…”

Section: Introductionmentioning

confidence: 99%

3D Architectural MXene‐based Composite Films for Stealth Terahertz Electromagnetic Interference Shielding Performance

Theja,

Assi,

Huang

et al. 2023

Adv Materials Inter

View full text Add to dashboard Cite

The terahertz frequency range is gaining popularity in security, stealth technology, and the future 6G network communication. For the control of severe terahertz electromagnetic interference (EMI) pollution, frequency‐selective stealth‐capable shielding materials are being explored to mask terahertz signals. For the realization of masking terahertz signals, the robustness, lightweight, and shape‐conformable materials with excellent terahertz EMI shielding/absorption are crucial. Here, the study reports the fabrication of 3D symmetric pyramidal architectural MXene composite films with frequency‐selective stealth performance characteristics via the facile drop casting method. With the high absorption capability of 2D MXene layers, the MXene composite films exhibit substantial terahertz stealth performance. 3D pyramidal microstructure design leads to frequency selective surface‐assisted reflection resonance in the frequency range of 0.6–1.1 THz. The MXene composite film demonstrates an outstanding maximum terahertz shielding effectiveness (SE) of up to 70.4 dB and a specific SE of 0.55 dB µm−1. These terahertz SE values exceed all of those for MX‐based shielding material designs reported in the literature. The investigation will open a new direction toward developing terahertz EMI shielding thin films with easy integration into any surface for stealth capabilities.

show abstract

“…[10][11][12][13][14][15] When compared to other conventional manufacturing techniques, this technology has many benefits including cheap cost, lower risk, faster production, modifiability, and a wider range of material options. [7,[16][17][18][19][20][21][22][23][24][25][26][27][28][29][30] Li et al [31] developed a novel selectively metallizable SLA resin for antenna construction employing additive manufacturing methods such as chemical procedures and 3D printing technologies in their research. Results indicated that the antennas were appropriate for use in high-frequency devices with complex geometries, such as 3D microwave/millimeterwave devices.…”

Section: Introductionmentioning

confidence: 99%

“…Various materials exist, including polymers, ceramics, metals, and concrete, with different properties such as elastic, waterproof, shockproof, or resistant to high temperatures [10–15] . When compared to other conventional manufacturing techniques, this technology has many benefits including cheap cost, lower risk, faster production, modifiability, and a wider range of material options [7,16–30] …”

Section: Introductionmentioning

confidence: 99%

Electromagnetic and Chemical Analysis and Performance Comparison of Inset‐fed Rectangular Microstrip Antennas

et al. 2023

View full text Add to dashboard Cite

A simple method for creating lightweight and inexpensive microstrip patch antennas using reduced graphene oxide or acetylene black added epoxy resin was developed. The biggest goal in the method is optimizing the appropriate chemicals and production processes for producing the materials with the designed properties. Five examples of an inset‐fed microstrip patch antenna operating at approximately 2.0–12.0 GHz were designed based on the antenna‘s basic analytical formula. Their models were created in a 3D electromagnetic simulation environment. After examining the performance results of the design, the appropriate design models were produced with both 3D printer technology and wet‐chemical methods, and the experimental results were compared with the simulation results. The produced reduced graphene oxide or acetylene black added samples′ structure was illuminated with scanning electron microscope images, FTIR and Raman spectroscopy analysis. The measured S11 characteristics of the antennas provide better performance as compared to the simulated results. The measured S11 parameters for the two and three frequency bands fell substantially below −10 dB. As a result of the dielectric constants of the materials and the fabrication of the radiation plane, horizontal shifts were detected in the measurement outcomes.

show abstract

Ultra-thin broadband terahertz absorption and electromagnetic shielding properties of MXene/rGO composite film

Cited by 55 publications

References 54 publications

Advances in terahertz metasurface graphene for biosensing and application

Advances in terahertz metasurface graphene for biosensing and application

3D Architectural MXene‐based Composite Films for Stealth Terahertz Electromagnetic Interference Shielding Performance

Electromagnetic and Chemical Analysis and Performance Comparison of Inset‐fed Rectangular Microstrip Antennas

Contact Info

Product

Resources

About