Embedded 3D printing of RGO frameworks with mechanical strength, and electrical and electromagnetic interference shielding properties

Wang, Yue; Luo, Jialiang; Yang, Cao; Xiao, Lei; Hao, Gazi; Wang, Suwei; Jiang, Wei

doi:10.1039/d4ta00458b

J. Mater. Chem. A

2024

DOI: 10.1039/d4ta00458b

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Embedded 3D printing of RGO frameworks with mechanical strength, and electrical and electromagnetic interference shielding properties

Yue Wang,

Jialiang Luo,

Cao Yang

et al.

Abstract: Micro-porous and micro-dense 3D RGO frameworks prepared by embedded 3D printing are reported, and the 3D RGO frameworks exhibit high electrical conductivity, high mechanical strength, and excellent electromagnetic interference shielding properties.

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Cited by 4 publications

References 77 publications

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Absorption‐Dominant Electromagnetic Interference (EMI) Shielding across Multiple mmWave Bands Using Conductive Patterned Magnetic Composite and Double‐Walled Carbon Nanotube Film

Park,

Hwang,

Lee

et al. 2024

Adv Funct Materials

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The revolution of millimeter‐wave (mmWave) technologies is prompting a need for absorption‐dominant EMI shielding materials. While conventional shielding materials struggle in the mmWave spectrum due to their reflective nature, this study introduces a novel EMI shielding film with ultralow reflection (<0.05 dB or 1.5%), ultrahigh absorption (>70 dB or 98.5%), and superior shielding (>70 dB or 99.99999%) across triple mmWave frequency bands with a thickness of 400 µm. By integrating a magnetic composite layer (MCL), a conductive patterned grid (CPG), and a double‐walled carbon nanotube film (DWCNTF), specific resonant frequencies of electromagnetic waves are transmitted into the film with minimized reflection, and trapped and dissipated between the CPG and the DWCNTF. The design factors for resonant frequencies, such as the CPG geometry and the MCL refractive index, are systematically investigated based on electromagnetic wave propagation theories. This innovative approach presents a promising solution for effective mmWave EMI shielding materials, with implications for mobile communication, radar systems, and wireless gigabit communication.

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Absorption‐Dominant Electromagnetic Interference (EMI) Shielding across Multiple mmWave Bands Using Conductive Patterned Magnetic Composite and Double‐Walled Carbon Nanotube Film

Park,

Hwang,

Lee

et al. 2024

Adv Funct Materials

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show abstract

Exploring Conductive Filler‐Embedded Polymer Nanocomposite for Electrical Percolation via Electromagnetic Shielding‐Based Additive Manufacturing

Qureshi,

Dhand,

Subhani

et al. 2024

Adv Materials Technologies

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This review delves into the progress made in additive manufacturing through the incorporation of conductive fillers in nanocomposites. Emphasizing the critical role of percolation and conductivity, the study highlights advancements in material selection, particularly focusing on carbon nanotubes with low percolation thresholds. The practical applications of these nanocomposites in additive manufacturing polymer composites are explored, emphasizing the understanding of percolation thresholds. Furthermore, the present review paper investigates the potential of these materials as lightweight alternatives for electromagnetic interference shielding (EMI), particularly in key sectors such as automotive and aerospace industries. The integration of advanced materials, modeling techniques, and standardization is discussed as pivotal for successful implementation. Overall, the review underscores the significant strides in enhancing electrical properties and electromagnetic interference shielding capabilities through the strategic use of conductive filler nanocomposites in additive manufacturing.

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Multifunctional CuS/GO heterodimensional structure for microwave absorption, electromagnetic interference shielding, and energy storage device

Cao,

Wang,

Wan

et al. 2024

Adv Compos Hybrid Mater

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Embedded 3D printing of RGO frameworks with mechanical strength, and electrical and electromagnetic interference shielding properties

Abstract: Micro-porous and micro-dense 3D RGO frameworks prepared by embedded 3D printing are reported, and the 3D RGO frameworks exhibit high electrical conductivity, high mechanical strength, and excellent electromagnetic interference shielding properties.

Cited by 4 publications

References 77 publications

Absorption‐Dominant Electromagnetic Interference (EMI) Shielding across Multiple mmWave Bands Using Conductive Patterned Magnetic Composite and Double‐Walled Carbon Nanotube Film

Absorption‐Dominant Electromagnetic Interference (EMI) Shielding across Multiple mmWave Bands Using Conductive Patterned Magnetic Composite and Double‐Walled Carbon Nanotube Film

Exploring Conductive Filler‐Embedded Polymer Nanocomposite for Electrical Percolation via Electromagnetic Shielding‐Based Additive Manufacturing

Multifunctional CuS/GO heterodimensional structure for microwave absorption, electromagnetic interference shielding, and energy storage device

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